Fiber Laser VS Co2 Laser,What Different? What Are Different Between Fiber Laser Machine And CO2 Laser machine?The Main different is The Laser technlogy for different Materails! Fiber Laser Engraving Cutting machine is Output Fiber Laser To All Metals. As A CO2 Laser engraving Cutting machine is Output Co2 Laser To All Nonmetal Materails. What are The Technology Of Two Laser Fiber And CO2? The main difference between fiber laser and CO2 laser is that the working materials of the two are different. The working material of fiber laser is fiber, while the working material of CO2 laser is CO2, which is a gas laser. In addition, the power of the two is relatively large. The difference between fiber lasers is currently more than a few hundred watts to thousands of watts, while the common power range of CO2 lasers is 80W to 600W. The photoelectric conversion efficiency of fiber lasers is higher than that of CO2 lasers. In terms of cutting quality and speed, fiber lasers are better than CO2 las

Cnc Router VS Laser Cutter Machine. Comparison Of Cnc Router And Laser Cutting machine, Which is good To Cut Acrylic. How to choose it for your Cutting Business. Here is Compare To Cnc Router And Laser Cutting Machine which is good for Acrylic Cutting. 01. Cnc Router Cnc Router Based Computer system to Cut and Engraving Materials by Knife Bits. 02. Laser Cutter Laser Cutting Machine to Cut And Engraving Materails By Laser.   Laser Cutter Is Suitable For Acrylic,Plastic,Signs Letter Engraving and Cutting, Also can be Carving Fabirc and Textiles. Cnc Router Is Ok to Cut and Engraving All Materials. It can Also Engraving 3D Effects Job.  But If you use Cnc Router to Cut Acrylic , It need to polish after Cutting. Now you Can See Follows Video With a Laser Cutter For Acrylic. And Also Cnc Router Working Videos Total Means : Two machines are basically used as Cutting And Engraving.

Outdoor Printer VS Indoor Printer. There are Many Different Type Of large format printer,But which should be Choose for you Printing Shop? Which will be the Good one for you Start a Printing Business. What Are Different Between Large format Eco solvent Printer and Indoor Printer Indoor Large format printer Outdoor Large format printer The different is the Ink , If you Choose Indoor Printer, So the printer can only use Dye Water ink. Other Is Outdoor printer, If you choose Outdoor printer, so the printer price would be high more, but can you use Eco solvent ink to outdoor durable color 2 years.  For the majority of Signs Printing stores, the requirements for large format printers in the production of advertising inkjet have also been further improved. Faced with the requirements of large and small formats, high-definition pictures, and different customer needs, as an indispensable inkjet tool in the advertising industry, how should outdoor advertising choose what outdoor large format p

Five Consideration when you Buy a Sublimation Printer. What are The Best Large format Inkjet sublimation Printer, How to choose the best one for you T Shirt,Textile,fabric Printing business. In china, There are so many different brand Of Large format Inkjet printers, So you need to think follows method to make the Purchasement. 01.The Sublimation Printer Price. 02. The Sublimation Printer Printhead. 03. The Sublimation Printer Printing Speed 04. The Sublimation printer supplier after sale service 05. The Sublimation printer Max printing Width. The direct-injection process fabric has a wide range of applications, which can be applied to hemp, silk, wool, cotton, polyester, nylon. The current direct-injection printing does not require sizing, steaming, washing and other processes, and it is directly printed on the fabric and Tshirt。

The Cheapest Method To Print Crystal. Do you Know A Cheap Way Print On Crystal?Now we are Telling this Crystal Color Transfer machine will be your Best Choose. Crystal Color transfer machine is used to make crystal crafts. Printing images first on the crystal film, bonding to the crystal unused film and then put it in the crystal machine to fix the image on the crystal through making full use of the UV light to protect the image and then trimming and cleaning are both necessary. Specificaion: 1.Voltage: 220V or 110V is available. 2.Watt: 380W 3.This machine is made of aluminum alloy which only weights 12 kg 4.size :480mm*480mm*280mm. What you can do with this Crystal Photo Printing machine? application: 1. Wedding photos, art photos; 2. Baby birth commemoration (including handprints, footprints, etc.), birthday commemorations, children's photos; 3. Group photos with family members, friends, classmates and lovers; 4. Landscape photos, celebrity photos, pet photos; 5. Burn discs with

What Is Cheap Roll to Roll Heat press Machine From China. CY1600 Calendar Roller Sublimation Heat Press machine For Textile Tshirt fabric printing. Calendar Roll To Roll Heat presss machine is an idea machine for mass sublimation printing fabric, the machine is multi-functional that both support print piece fabric and roll fabric. the machine high configurations as below: 1. configure 2 air shafts for wast sublimation paper collection and printed fabric 2. Seamless & precision lathing roller drum 3. high quality blanket 4. safety device installed 5. Anti-explosion valve 6. high quality & energy saving heating tubes 7. Three balanced voltage device 8. Double direction blanket adjustable shaft ( stable the blanket position ) how to Use Roll to Roll Heat press to Print Textile Tshirt fabric? Main Features 1. roll to roll heat press machine adopt imported blanket, thick is 10mm, transfer results is very good, long life. 2. adopt 100% seamless oil drum, the inner circle and out circ

1.8m Roller UV Printer VS Eco solvent Printer. Many Customer is not know Large Format Printer - Roll to Roll UV - Eco solvent What are Different. Now Let me make Example to Let you know What Are Different? What will be your best choose. If Say Printing Technology, It will be Same for both Printer. And Eco solvent Ink is Very Good for All Outdoor Signs Printing,Such As : Flex banner, Vinyl, Canvas, Mesh,And All Other Outdoor Materails. But Roll to Roll UV printer has Added A UV system, So there are one more function which is Can Use UV ink And UV lamp Curing , Also Price is Expensive than Large format Eco solvent Printer. As above Said that Roll to Roll UV printer has one more Function, so that this will be suitable for print on Special Films, Labels,Light Box Film,Leathers.And More Special Materials. We are Direct Factory For all Model of Large format Inkjet printer from China. If any need , please Contact us, we have a Great Service support to all worlds customer. welcome to contac

Fiber Laser Marking Machine Problem analysis. If You Want to Repair a Chinese Brand Fiber Laser Marking machine, Learn The machine Accessories Spare Parts is First thing you need to know.  Because When you know All Accessories And Spare Parts , so you know how is a Fiber laser marking machine Works, so you can think in yourself to repair it. Fiber Laser Marking Engraving Machine Inside has Many Spare Parts. And Important Is in follows. 1.Engine Of Fiber Laser 2.Galvanometer 3.Field lens 4.Industrial computer, monitor 5.Cabinet 6.Control switch, other power components. Now Let us To see What Are Common Problems, And How to Solve it? 1. The marking pattern of the laser marking machine is partially unclear  (1) Solution: Check whether the thickness of the molded plate is uniform, whether the molding pressure is too small, whether the temperature is too low, and whether the accuracy of the machine decreases.    2. The marking pattern of the laser marking machine is dim and dull  (1) Soluti

Best Hot Stamp Foil Digital Printer. As Many Freind Know Many Hot Stamp Foil Printer is need With Plate Marking before Printing, But Now This 360 Digital Foil Printing machine is no need Plate marking, It can direct Printing by Photoshop OutPut. Let Us to See what you can do with this Digital Foil Printer? What is this Digital Foil Printer Main features? (1) Using high precision thermal Japan Rohm print head. (2) No need for plate making, digital plateless, by making a design on computer, you can print what you want like all kinds of languages, words, logo, pictures. (3) Put multi paper sheets at one time on the back tray. The printer has sensor so can feed in one by one automatically. (4) Accurate positioning make color register. (5) Have memory function. The last file can be stored for next time off-line printing. (6) Have function of saving foils. The printing head will lift up automatically when there is no printing content. (7) Motherboard adopts new intelligence CPU frequency con

Best Method To Engraving Car Motorcycle Parts. As For The Good Idea,If you want to Diy and Engraving Numbers ,Logos, To Your Car Motorcycle Parts and Accessories. So you are firstly need to think about Metal Engraving machine. 01.The Best Cnc Metal Marking machine Based Air Compressor pneumatic to Protect Marking Bits, Long time Marking and Engraving without breakdown. 02. Is according Any Logos, Numbers on Machine software design, direct output Engraving and Marking to All Car Motorcycle Spare Parts. Contact Us / Comment Us To Get More Solutions For Marking Engraving Car Motorcycle Parts  

Double Head VS Single Head For Eco solvent Printer Whether it is Large format Eco solvent printer or Flatbed UV printer, Single Printhead and Double Printhead are definitely different; First of all, the accuracy is determined by the print head. There is no difference between the single head and the double head. But the speed of the double head is definitely twice as fast as the single head under the same accuracy, and the double head can print more colors. So the accuracy of the double head is definitely better than the single head. The core data accuracy and speed are both better than the single head. But Double Head Eco solvent printer Price is High More. In fact, you need to choose a single-head or double-head Large format Eco solvent printer according to the buyer's budget. If you are a newly opened printing company, it is best to choose a single head in the early stage of development. Then Double Head Eco solvent printer according to business volume and company development. B

Two Best Method To Print Phone Cover. If you want to Direct Print on the Phone Case/Mobile Cover, and DIY Image to your Phone Case/Mobile Cover. Then there are only 2 ways to deal with it.    One Method : User Digital Inkjet UV printer to Direct printing Colors, Image,Numbers,Logos to Phone Case/Mobile Cover   Other Method: Use Laser Printer to Printing Phone Case/Mobile Cover, The Laser Printer is also Called Fiber laser marking machine.   Now Let us Say What different Between Inkjet UV printing and Fiber laser printing. 01. Fiber Laser Printing and Marking: If you Use Fiber laser machine to Print on Phone Case/ Mobile Cover,  So the Speed is very fast, and Machine is no any maintenance, Also Fiber laser machine can printing all Metals. 02. Inkjet UV printing . If you use Inkjet UV printer to print Phone Case/ Mobile Cover. So the Speed is same , and it can printing colors, also can print white color with 3D Effects. But UV printer is need to maintain Printhead Everyday, so it is mean

How to Make Signage LED Letter By Cnc Router. If you want to Cut Acrylic And Mark to Be LED Channel Letters! The First Thing you need to choose Special Acrylic Cutting Bits knife. Acrylic Cutting Bits knife can perform precision cutting on the surface to achieve a mirror effect, and the transmittance (such as plexiglass, acrylic, light guide plate, crystal block) can achieve the effect of surface polishing, eliminating the need for traditional polishing processes. Operate The Cnc Router To Cut the Letter as follows Steps. 1. Acrylic cutting processing, single-edged spiral milling cutter engraving knife is recommended. It is characterized by smokeless and odorless processing, fast speed, high efficiency, no chip sticking, and truly environmentally friendly. Its special manufacturing process ensures that acrylic is not processed. Burst, very fine knife lines, smooth and smooth surface. 2. For MDF cutting processing, it is recommended to use a double-edged large chip evacuation spiral mil

What Machine Is Good To Print Metals The Best Laser Printer Can Easy To print On All Metal and Nonmetal.  Such As : Print On Stainless steel, copper, aluminum, iron, gold, silver, cloth, plastic, mobile phone case.. All Can Easy To print Dates,Number,Letter,Logos to there.. Easy To Operate, You can Design All Dates, Number,Letter,Logos to This Laser Printer Software. and click Outup Printing, So it will be fast speed print out. Provide printing systems of different sizes and power levels, and can provide professional customized designs for different production units. Whether for large or small parts, small batches or large batches, all laser marking systems can achieve easy operation, safety and reliability. Metal Laser Printer is a new generation of laser printing system developed by our company using advanced laser technology in the world. The laser is output by optical fiber, and the printing function is realized by the high-speed scanning galvanometer system. Fiber laser marking ha

The Eco solvent Printer For Art Canvas Printing. Generally, there are two types Canvas in the market. One is based Dye Water ink, Other is based Oil Eco solvent ink. If you want to Print on Oil Canvas , so you need Eco solvent ink printer. If you want to print on Dye Water Canvas,  so there are any inkjet printer can printing it. Hand-painted canvas Printing: Dimensional stability, strong elasticity, clear texture, non-cracking, strong durability, good weather resistance, width and thickness, compact and thick, smooth and smooth, flexible, impact resistance, hair pores and grains, special organization, satisfying painting creation, Collection and preservation of the requirements for canvas. Inkjet Canvas Printing: Smoothness, gloss, texture, coating fastness, coating pinholes, curling, water resistance, oily, water-based dye and pigment ink absorption, inkjet printing resolution. In the market, oil-based canvas printers are more practical. These printers are used for Epson nozzles. So

How Dtg Printer To Print T-shirt Directly. How you Choose A Best Quality DTG Direct-to-Garment T-Shirt Printer? Reasonable Price with Warranty Quality. Dtg Printer has many Different Brand, But main technology are same, Only Difference is on Printhead. Good Printhead will be suitable for Textile ink to Direct Print on Garment T-Shirt And Fabric. DTG Direct-to-Garment T-Shirt Printer is environmentally friendly. The main reasons are as follows: 1. The process of DTG Direct-to-Garment T-Shirt Printer is environmentally friendly and pollution-free 2. The consumables of DTG Direct-to-Garment T-Shirt Printer are environmentally friendly and pollution-free. So this kind of digital printing equipment does not have pollution problems The Best 33cm*60cm DTG Direct-to-Garment T-Shirt Printer Used for printing t-shirt,Canvas bag,etc. Its max printing size is 33*60cm，printing speed 10 pcs(A4 size)/h. Color fastness is Grade 3~4.Do not fade when washing.No hand-feeling. Suitable for Garment customi

What are 8 in 1 Model in Combo Heat press? 8 In 1 Multifunctional Combo Heat Transfer Machine Is included 8 Different Heat transfer Models.Such as: Tshirt, plate, hat, cup and More. So you can make various Sublimation Products with one machine. "Factory direct heat transfer 8 in1 multi-function heat transfer heat transfer machine" parameter description Hot stamping process: Printing hot stamping Hot drilling type: flat Pattern: Printing Model: HP8IN1 Specification: 38*38CM Trademark: CrossWay Packing: foam+carton. Heat press machine information Voltage: 220V, 110V; Power: 450~1200W; Temperature range: 0-399℃; Time range: 0-999sec; Cup size: 6oz, 11oz Cylindrical and 12oz, 17oz Plate diameter: 12cm, 15cm Hat diameter: 8X15CM Heating plate size: 29x38cm Weight 45kg Packing size: 52X48X51CM+35*24*31cm

How to Choose The Best Digital Paper Cutter? How to choose Different Model of Digital Paper Cutter, Such as 450 4606R 490R 670HC Paper Cutter What are Different. It is Easy to Know The Main Differents. 450 4606R 490 670HC the main Difference is Max Cutting Width. And "R" And "HC" is means working method. R is Means Working By automatic and Programed. HC Is means Hydraulic Pushing..   Now Let us See This 4606R Digital Paper Cutter. This is most popular Model For sales. Performance characteristics ★Slanting knife cutting technology, smooth and easy cutting, suitable for any paper cutting ★The design of independent paper pressing mechanism effectively solves the problem of insufficient paper pressing with traditional electric motors and improves work efficiency ★Cut position indication line marking, infrared laser indication line, clear and clear ★LCD display, can simultaneously store 700 segments of data ★Paper cutter depth adjustment technology, convenient and fast

The Best Cheapest Photo Laminator. Best Price Supply Digital 360 Anti-roll Film Laminator, Cover Laminator, Color Page Hot Laminator. Why you need to Laminate the Printhead Photo? Because Laminating Can Protect The Photo colors. If you have laminate your Photo, So the color will keep long time durable. 360 Digital Cold Hot laminator Product description: ◆ Professional multi-functional laminating machine, which can do various work such as thermoplastic, cold laminating, low-temperature cold laminating, heat laminating, etc., suitable for graphic mounting and binding cover mounting; ◆ Unilateral adjustment of the pressure and height of the rubber roller as a whole; internal heating type double roller heating, intelligent constant temperature; ◆ Light touch operation buttons, free temperature setting, 9-speed speed regulation, LED digital display; ◆ Increase the upper and lower roll film support, can install large roll hot film  

How Does Teneth Cutter Plotter To Make Picture Cuts In 2021, the automatic laser positioning and edge inspection Cutting Plotter will automatically generate contour cutting. Features For This Teneth Picture Contour Edge Cutter Plotter. One-click extraction of contours, automatic generation of markers, and camera technology to quickly identify each marker. Accurately scan and cut various materials such as stickers, Asian silver label paper, kraft paper, brushed gold printing stickers, transparent film, fluorescent film, special PVC, heat transfer lettering film, outdoor reflective film, etc. Question: Why does the output not work after connecting to the machine? Answer: If the cutting plotter is connected to the data line and does not output, it can be ruled out according to the following methods: 1. Check whether the serial port and transmission rate settings are correct, and whether the power is turned on; 2. If it is a USB cable, please confirm whether the driver is installed correct

How To Make Logo Printing On Metal? Fiber Laser Marking Machine is Easy to Engraver Logos And Letters to Stainless Steel Metal. Easiest Operation, Fast Engraving Speed.  Marking on stainless steel. Due to its anti-corrosion properties, stainless steel has become an indispensable product composition in the medical, tool, machinery, food and other industries. The marking of this material should not change the properties of the workpiece. Technifor provides a variety of solutions to meet the needs and limitations of various industries: -Marking as long as the marked part -Marking on the surface of tools, kitchenware, barrels, tubes, etc. -Non-violating marking on surgical instruments and implants -High contrast marking on identification nameplates, pipes, screws -Unique identification on auto parts, exhaust pipes, etc.

How To Install New XP600 Head To Your Printer This Video Tutorial is for you Learn How to Install a New XP600 Head to A large format Eco solvent printer. it is very helpful for all new Printer Friends. Now Let Us to See What is Easy Steps to Install This New Epson XP600 Printhead to a new printer. When installing a new Epson XP600 Printhead, what problems should be paid attention to and the correct installation steps. 1. When installing Printhead, you must remove the vent seal according to the instructions, but do not remove other seals at will, otherwise the ink will leak; 2. Each time you install a new Printhead, you generally need to clean the print head 3-5 times (please wash the print head at least once); 3. When any printhead has no ink or is not installed, even if other printheads have ink, the printer will not work; 4. Once the new printhead is off, it is best not to remove it before replacing the printhead; 5. Unless you want to replace the Printhead, do not open the Print Hea

Which Is Good Between DX7 Head And 5113 Head. About Epson 5113 Head: 01. If a Epson 5113 Printhead Print Full Color Image C M Y K , It is fine work without any problems. 02. But If 5113 Printhead Print With White Color, It will be Very Easy to Clog Nozzle. 03. Printing Speeds is low little Epson DX7 Printhead.  About Epson DX7 Printhead: 01. Printing Speed is very fast, Because Espon DX7 Printhead has 8 line Nozzle, Also Printhead size is bigger than 5113 Printhead. 02. Suitable For all Type Of Inks , UV ink, Sublimation ink, Eco solvent ink, And Printhead Life is More longger 5113 Head. Epson Printhead DX7 (F189010) was produced in 2009. The design concept is positioned as an industrial production type. The new piezoelectric crystal has a long life and has a strong adaptability to the working temperature. The color is more vivid and the ink can be obtained continuously for a long time Supply work greatly improves printing efficiency.

Why You Choose DX5 Head For Your Printer? Epson DX5 Printhead belongs to the All inkjet Printers category. It appeared earlier in the Chinese market.  Its characteristics are: Printing, relatively high-definition, plastic nozzles, average durability, printing eco-solvent ink (original machine) and UV ink (can be used after modification) , Nozzle life is 6-15 months (original machine nozzle life is longer) Epson Printhead DX5, the real model is 1440 nozzles, four columns, 360 nozzles in each column, each row of nozzles is 180dpi, the whole is 720dpi, the ignition frequency is 14.4KHZ, and the ink drop is a unique MSDT. Applicable To Eco solvent ink, Dye Sublimation ink, UV Ink. Epson DX5 Print Head Price is very high,But The Printhead Nozzle is More Little, and inside hole is bigger litter , So printhead life is most long.

What Is XP600 Head Advantage For Your Printer. Epson XP600 Printhead is a Cheap price Print head, After two years of technological breakthroughs, Epson xp600 printheads have finally changed the situation in the past that Epson printheads are not easy to use. In 2018, many manufacturers used Epson xp600 printheads in large quantities. From trial use to mass application now, the stable performance of this printhead Far beyond expectations, the effect, speed, and stability are better. How is XP600 Printhead Quality And Working Lifespan. Epson xp600 is also an integrated print head, with a total of 6 channels and a total of 1440 nozzles.  The number of nozzles is the same as that of Epson's 5th and 7th printheads, but the Epson xp600 printhead is equipped with a unique wave size connection variable printing Technology solves the horizontal stripes caused by the PASS channel of the picture, and the image is vivid. Judging from the official expression of Epson, there is no difference in

Electric Name Card Cutting Machine With Low Price. A method of making Business Card Cutting Machine. The utility model relates to the technical field of business card processing equipment, in particular to a business card cutting machine, especially a business card cutting machine which can cut many business cards at a time. This A3 A4 Electric Name Card Cutter Technical field In Follows: Completed Working Video at Here: Technical background The currently known manual business card cutting machine can only cut one business card at a time, and the printed business card paper must be cut from the middle. This is inefficient at work; everyone knows that if the number of business cards to be cut is relatively small, it can still be used, but most of the customers who make business cards require many business cards, so they can only cut one at a time. The card machine can no longer meet the demand for cutting a large number of business cards. It becomes an obstacle to the improvement of bu

The Best Price Portable Coder Printer Best Price Touch Handheld Inkjet Printer Fully Automatic Small-scale Production Date Portable Assembly Line Carton Bottle Carton Plastic Packaging Bag Date Coding Machine. In 2020, the new T series small automatic portable handheld inkjet Coding printers are newly launched! Completed Working Video For This Coder Inkjet Printer . The printing height can be up to 48mm, and it supports variable QR codes, with more functions, more ink cartridge colors, and longer battery life! HP printheads are of reliable quality, the whole machine is guaranteed for 2 years, and the quality is guaranteed. Please call 400-600-9896 to get the color page information and price quotation of the new T series handheld inkjet printer for free. The 2020 Kinglee Qianli brand T series handheld inkjet printer has been iteratively upgraded, with a simpler structure and simpler software operation. It is a cost-effective portable inkjet printer that can be handheld and online. After

Style Tag embosser machine For Manual Metal Marking. Metal Tag embosser machine, also known as a coding machine, whose function is to press prominent letters and numbers on the surface of the metal card to make the PVC card recognizable and unique. Cheap Price Supplying dms-66a manual embossing machine, dms-55a typewriter embossing machine metal marking machine character letters. Detailed description And Completed Working Video For This New Style Manual Metal Tag Marking machine. Purpose: embossed characters on the metal plate, such as changed parameters, model number, date, batch number, serial number, serial number, etc. Big convex height: 0.4mm Small convex height: 0.3mm This Tag Marking Embosse Machine Applicable To all Metals :  metal card, namely 85.5mm*55mm 1. Character selection: chrysanthemum character turntable 2. There are 68 characters in the machine, uppercase English letters (26): AZ, 10 large characters 0-9, 10 small characters 0-9, small symbols (12):.-() N yuan￡￥$, big

Top Quality 1.6m Manual Cold Laminator. Our this cold laminator with bracket is supported by double pole bracket, the structure is more stable! Photo machine supporting equipment TS1600/1300 cold laminator Working characteristics and working video for this TS1600 Manual Cold Laminator : The cold laminating machine adopts a cold pressing process to mount the cold laminating film on the surface of the picture, so that the picture has anti-corrosion, waterproof, anti-ultraviolet light erosion, can keep it fresh, does not fade, does not yellow, and can make the picture live forever The strong three-dimensional sense enhances the artistic appeal of the picture. It is widely used in the mounting work of modern wedding dresses, art photography, computer inkjet, calligraphy and painting, posters, advertising pictures, and documents. Cold laminator is the post process of picture production and processing, and cold laminator is an ideal tool to complete this process. 2. Use specifications: ◆Max

How Is Deep Engraving 50W Fiber Laser Machine? The fiber laser marking machine has 10 watts (W), 20 watts, 30 watts, and 50 watts. The price of different powers is different. The higher the power, the higher the price. Let's explain it to you in the following editor of Reed Laser. What is the difference between the commonly used models, the fiber laser marking machine chooses 20W or 50W? Here is The Fiber Laser Marking machine China Factory Online Live The appearance of the machine cannot be seen. What is the difference between the machines, just look at the laser of the machine, then the difference of 10w/20w/30w/50w fiber laser marking machine is that the price is different due to the different power, so The difference in power is: 50W Fiber Laser Marking Machine is relatively large. It can hit deeper and faster with the same Metal material. 　　 The power of 20W is relatively small. It is lighter and slower under the same material. To distinguish from the power, 20W is greater th