2018 NEW Transparent Capacitive Touch Foil Screen rear adhesive touch foil

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$100.00 - $500.00 / Pieces | 1 Piece/Pieces high quality touch foil (Min. Order)
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Quantity(Pieces) 1 - 10 >10
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Quick Details
Wall Mounted
multi touchfoil
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Model Number:
Place of Origin:
Guangdong, China
Product Name:
touch screen foil
1 Year
Hard Tube
Meeting Room
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Supply Ability:
1000 Unit/Units per Month factory cheap price
Packaging & Delivery
Packaging Details
Carton Roll
Lead Time :
Quantity(Pieces) 1 - 10 >10
Est. Time(days) 5 To be negotiated

Product Description

GreenTouch Interactive Touch Foils are supplied with an electrostatic cling layer which makes

them suitable for both permanent and temporary installations. The new improved touch foil have an

upgraded driver with USB connection which has been digitally signed off by Microsoft (EMC approved)

and are UL, FCC and CE approved (RoHS compliant). The Interactive Foils are combined with a screen

technology to create an interactive touch screen display. Our main market for the Touch foils is 'thru-glass'

interactive displays for store window applications, where the foil is combined with our range of projection

films and high brightness LCD TFT screens. Such as interactive shop windows, trade shows, museums,

meeting rooms and much more.


Standard Size of Interactive Touch Foil:


17 inch to 120inch (4: 3 and 16: 9 ratio). All standard sizes are being shipped to dealers worldwide within

one week (when in stock). Each touch foil comes with USB connector with cable Or RS232 Cable, driver

software, installation video's and user guide.


Types of Interactive Touch Foil


Touch foil type for pasteTail versionTouch controllerFoil ratioTouch points
Water-adhesive (removable)Base or bottomUSB interface16:9 (17”-120”)2,4,10,20,40 points
Adhesive (permernent)Side or shortUSB interface4:3 (40”-120”)




Specifications of Interactive Touch Foils:





What is the Green Touch interactive foil?
Interactive foil is a clear lightweight touch foil that can be applied under or behind any non-metallic substrate to create a through material (glass) touch system. 


How does it work?
The interactive foil uses projective capacitance. When a users finger or gloved hand comes close to the surface it causes a disturbance in the electrical field which is then detected as a touch event, the position of the touch is then precisely calculated.


What thickness of material can the touch foil work through?
The touch foil can work through non-metallic materials up to 16mm thick. We do recommend testing materials thicker than 10mm.


Will it work through double-glazing?
The touch screen can work through double-glazing. To achieve this the controller board has to be modified in the factory. This modification slows the refresh rate of the touch screen. Due to this only touch functions are available in this mode rather than drag and touch. We recommend site testing in all cases to check functionality since double glazing specification vary widely.


What are the typical uses of the interactive foil?
Through window system using rear projection or LCD as the display technology.
Integrated with LCD displays for creating kiosks or stand-alone touch screens.
Under table tops for using LCD or projectors from above for the display technology.


What sizes are available?
The foil comes in standard 4:3 format from 30" to 80" and 16:9 format from 32" to 100" Special custom sizes are also available.


What is the largest foil size I can buy.
The width is 120 cm and length is 220 cm.
Please call QWESTRO to discuss requirements.


How is it fixed?
The touch screen can be fixed using either a permanent or non-permanent adhesive system. The system used is dependant on the application.

The  non-permanent system is designed to be for used on glass only, it is an ideal system for retail applications where you may wish to remove and recover the touch foil for future promotions.

Our permanent system uses an optically clear system ideal for applying to glass and other non-metallic substrates. Best used where a permanent fixing is required and when the touch screen is being used in a range of more rugged environments.

Both systems use a wet lamination process. Laminating instructions are available


Will the touch foil work through Glass? 
This type of glass uses a metal in the manufacturing of the glass so the touch foil will not work through this material. Other metal tints also stop the foils working.


What are the key benefits of the Green Touch interactive foil?

  • No mechanical wear as you are not touching the touch screen unit only the substrate it is working through.
  • Lightweight foil easy to apply to a range of materials glass acrylic wood etc.
  • Easy to ship rolls up in a tube
  • Can be made quickly in custom sizes
  • Simple setup calibration, sensitivity etc
  • Works with LCD and rear and front projection
  • Works with gloved hands
  • Vandal proof and weather proof applications

Will it work with LCD displays?
The touch foil can be used with LCD displays. 
As a through window touch unit the touch foil is first applied to the window and then the LCD unit is fixed behind the touch foil.

The touch foil can also be integrated inside LCD units. The foil will need to be applied to a substrate, there is a requirement for an 6-8mm air gap between the LCD panel and the back of the touch foil the air gap is dependant upon the noise generated by the LCD panel. It is also necessary to ground the controller unit to the case of the LCD unit.


Will it work with Plasma displays?
No these displays generate too much electrical noise


Does the foil have a front and a back?
The foil does not have a front or back, However when the unit is supplied with a integrated double release fixing system the foil is applied on one side only.


Must the controller board be at the bottom?
No the unit can be applied with the controller at the top or bottom the foil can also be supplied with the controller on the side.


Can I use cling film with Acrylic?
For a short period (testing the unit) over a longer period the cling film will migrate into the acrylic making a permanent bond with the acrylic.


How long is the serial cable?
Standard cable supplied is 6M, we also have a 15M cable as an optional extra


Can I have longer cables?
It may be possible to use up to 25M however you may experience additional noise, which can make the system unusable. In these situations we would recommend the use of a suitable RS 232 booster or a RS 232 to Cat5 converter system.


How do I connect to a USB computer port?
You can use a USB to serial converter device these are available as an optional extra


What is the power required for the touch screen?
The touch screen is powered from the RS232 port and requires between 5-12v


Can I have 2 foils next to each other?
Yes and no! 
It is not possible to have two touch foils on the same piece of glass
There is a requirement to have an air gap between two foils 
It is also possible that the touch foils will need to be insulated from each other 

Can I use foils with other substrates, for example wood for interactive tables?
Yes the touch foil can work through any non-metallic material, we recommend testing of the substrate to check the functionality.

My calibration points are outside the display area, can I adjust this?
Yes we can provide instructions on how to do this

The touch foil is not responding, how do I check what the problem is.
Please refer either the quick start guide or full user manual for fault-finding instructions.

How do I use the cling film?
Laminating instructions are supplied with the touch foil, they can also be found on the CD supplied with the touch foil.

How many times can I remove the foil and re fix it using the cling film.
It is possible to re-use the cling film if it is kept in good condition between installations. However we would recommend a new piece be used for best quality installation.

Technical troubleshooting FAQ

I have a foil installed in front of and LCD and the cursor keeps jumping to the top of the screen randomly 

This is caused by interference with the outermost wire in the foil.

To remedy the problem try:-

  • reducing the coarse sensitivity slightly
  • add a 100 ohm resistor in line on pin 2 (blue) inside the serial connector.
  • connect the ground connector on the end of the PCB (labelled on the PCB) to the case of the LCD (the black cover should just slide off the pcb.


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