Embossed Metal Dome Keypad Printing Membrane Switch Circuit

• Type: Flexible
• Structure: Power Built-in Type
• Material: PET
• Usage: Playback Switch, Disconnector, Change-over Switch, Control Switch
• Application: Home Appliance, Telecommunication Equipment, Industrial
• Contact Type: Type c Contact
• Model NO.: GW-S
• Number of Switch: Single Control Switch
• Detection Method: Reflection Type
• Brand: Free
• Certification: ISO9001, CE
• Transport Package: Polybag, Bubblebag, Carton
• Specification: polyester
• Trademark: free
• Origin: China
• HS Code: 8534009000
• Production Capacity: 1000000pieces/Month

Product Description

this kind membrane switch keyboard is assembled by basic material PET and high conductive silver paste printed circuit layer.It consist of adhesive,conducting,insulation and anti-interference layer.Membrane switch is part of a range of devices, the ultimate purpose of a membrane switch is to serve as the interface between man and machine, enabling an operator to communicate with a piece of equipment, instrument or machinery,product widely being used in industrial machine and household appliances.It's high 

Main parameter of the product:
1.Membrane keyboard Construct
Graphic Overlay:	PET (0.18mm)
Overlay Adhesive:	3M467
Circuit layer(top):	silver printed circuit (0.125mm)
LED Circuit Spacer(with adhesive):	PET(0.225mm)
Circuit layer(bottom):	silver printed circuit (0.125mm)
Rear Adhesive	3M9448,3M467,3M468
Note:material and structure can be changed according to requirment
2.Electrical Properties
Operating Voltage:	≤ 50VDC
Working Current:	≤ 100mA
Loop Resistance:	<10Ω
Insulation Resistance:	50V (≥100MΩ)
Base Material Withstand Voltage	2kVDC
Insulation Ink Withstand Voltage	100VDC
Contact Bounce:	≤6ms
Reliability of Life-span	>1million times
3.Mechanica Properties
Operation Force	50~300g(alterable)
4.Environment Parameter
Operation Temperature	-40~+80 Degree Centigrade
Storage Temperature	-40~+85 Degree Centigrade

FAQ:                
Q: are you a manufacturer or a trading company?             
A: we are a professional  manufacturer with great wealth of experience on designing membrane switch and some other silkscreen printing products.      
Q:Why should I choose you? What's your advantages?    
A: We are a professional manufacturer in this field,many clients their critical problems can be solved with our inspiring idea,expecially on the waterprooof design for the membrane switch,we did a very successful job.
Q: can you offer OEM design?            
A:yes,we can do customize design .            
Q: Tell me about your production facilities .            
A:when you browse our products,I suggest you click the relevant video to see our production line, in the factory site ,automatic production line being set up, and will more and more advanced machines being introduced.
Q: when the user have some technical issue need your support,do you offer any help ?
A: Yes, our creed is: solve the client problems is the first thing for long term cooperation.
Q:If I just have some small QTY demand at the begining,how to arrange?
A: for small QTY (like100/200piecs),we accept your order and maybe charge you the tooling cost (if some tooling and fixture needed),later when order QTY accumulate up to 5000pieces we will refund the charges above.
Q:tell me about your logistics arrange methods.
A:small QTY by air( FedEx,DHL etc.) door to door service,over 100kg by sea shipping or negociable.