Specifications

The membrane key switch manufacturer  can be found  in a large range such like industry,medicine.and so on .at the same time they are have different feature as follow:

Anti-counterfeit

Heat sensitive

Scratch off

Scratch-off

1 The overlay material is used F150 which is the type of PET,the PET material is better than the PC material .and it can work in the lower and higher temperature.

2 Back adhesive:3M468 .the thickness of the back adhesive is 0.15mm

3 we will check all of the products when we making the products

4 Package:PE bag and carton

5 keypads:metal  dome

Overlay (Label, Graphic overlay,overlay keypad)

1 Overlay Materials: The most commonly used materials are polyester(PET) and
 polycarbonate(PC).
 2 Rear Adhesive: 3M 467MP, 3M 468MP, etc.
 3 Matching color: Pantone and RAL color matching system.
 4 Gloss, semi-gloss or matte
5 Non-tactile,poly dome or metal dome
6 Standard Tolerances: +/-.010 inch (+/-0.25mm).
 Performance
 Electrical
 Operating Voltage: 0~35 V DC.
 Operating Current: 100 MA Max.
 Operating Contact Resistance: Less than 100 OHMS typical
 Contact Bounce: Less than 5 Milliseconds typical.
 Conductors: Printed silver conductive inks or carbon blend.
 RFI and ESD Shielding: Available in most configurations.
 Mechanical
 Life Expectancy: 1,000,000 actuations per switch position
 Actuation Force: 6~24 ounces (170~680g), Range depending on customer
 specification.
 Switch Travel: .005" to .030" (0.1~0.8mm) typical.
 Overall Thickness: .020" to .050" (0.5~1.3mm) typical.
 Environmental
 Storage Temperature: -40°C (-40°F) to +70°C (158°F).
 Storage Altitude: Sea level to 35,000 feet.
 Operating Temperature and Altitude: -30°C (-30°F) to +75°C (170°F). Can be
 designed to operate in most environments.
 Humidity: No delamination after 24 hours at 80°C and 90%RH.

Payment term:

You must pay the sample fee and the tooling fee when you want to make the samples :when you want to make the mass production ,you can pay half first and pay other half before we send the production to you.

Certification:

We have past the ISO and ROHS certification ,and the quanlity we will check all of the products three time frome start to make to finish .

Lead-time

When you confirm the samples which we sent to you ,we will can send the mass production  within 7 -- 15 working days.

within 7- 15 working days when you have confirmed the samples

Package

We will put somes pieces in a PE bags first and then put the bags in carton as usually. differnt package according to diffent products