Shenzhen Lunfeng Technology Co., Ltd
Lunfeng 26 years dedicated to achieve brand value !
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Custom Size And custom Shape mtal dome membrane keypad With 3M 468 Adhesive
Specification
> Graphic overlay: matte PET V200
> Rear adhesive: 3M 468
> feature: with tatile dome diameter
> color: Screen Printing, red, green, black, gray
> connector: plastic housing
> Certification: ISO9001:2015 /ROHS/SG
> Payment terms: T/T,West Union
> Shipping by: UPS/ Fedex /DHL /TNT or Other Ways Specified
> Delivery time: 7~25 Working Days or To be negotiated
* Medical equipment *Telecommunications apparatus * Military industries
* Household appliances
* Security systems
* Industrial controls
Our Services
Ensure our goods are the customer's exact requirement, we do follows:
Proof --Factory's proof will be sent to customer for confirming before doing sample.
Sample- We provide customer 5-10pcs prototype to testing in 7-10days after order.
Quantity order-- Customer confirmed the prototype, we start to working strictly according to prototype.
Quality problem--Customer don't satisfied with our quality due to factory's carelessness, return goods to us, we will make the replacement for you quickly.
How to control quality?
(1) We process the products strictly based on the raw material list.
(2) Our many engineer own many years experience and are very responsible.
(3) Warranty period is one year. If you find some products is bad, you can tell us, we will give you solutions.
How to make an ORDER and QUOTATION?
Infomation will need as below:
(1) Drawings, photos, requirement, quantity
(2) Overlay Dimension:
Material: PET/ PC
Finish:Matte/ Glossy
Adhesive: 3M467/ 3M468
Button : Embossed/Flat/Metal/Silicone/Rubber/Gum
LED : YES/ NO
Pin: need to check the circuit diagram
Pitch: 2.54mm
Cable Length: As requirement
Connector: Female /Male/DoPont Connector
Hole: None
And better send us the design drawing or samples together with other detailed datas, then we’ll customize the membrane switch upon your requests.
| 1.Electrical Properties | Membrane Switch | ||
| Electrical Level: | 35V(DC), 100mA,1W | ||
| Contact Resistance: | 10Ω~500 Ω | ||
| Insulation Resistance: | 100MΩ/100V | ||
| Dielectrics Voltage-resistance: | 250VRms(50~60Hz 1min) | ||
| Chattering Time: | ≤ 5ms | ||
| Life Time: | Flat type ≥ 5,000,000; Tactile type ≥ 1,000,000 | ||
| Tail Folding: | R>1,180 | ||
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| 2.Mechanical Properties |
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| Operating Force: | Flat type 57~284g (2~10oz); Tactile type 170~397g(6~14oz) | ||
| Switch Stroke: | Flat type 0.1~0.5mm; Tactile type 0.6~1.5mm | ||
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| 3.Environmental and Storage Conditions |
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| Operation Temperature: | -40°C ~ +80°C | ||
| Storage Temperature: | -40°C ~ +80°C | ||
| Humidity: | 40°C, 90%~95%, 240 hours |
FAQ:
Q1: Are you a factory or trade company?
A : Lunfeng is membrane switch/ graphic overlay manufacturer/factory. We pecialize in memrbane switch for 26 years.
Q2 : Is my switch file safe if I send it to you for manufacturing?
A : We respect customer's design authority and will never manufacture membrane switch/ graphic overlay for someone else without
your permission. NDA is acceptable.
Q3 : Can you copy membrane switch/ graphic overlay samples without file?
A : Yes, we can clone membrane switch/ graphic overlay according to your samples.
Q4 : What payment do you accept ?
A : TT/ Western Union.
Q5 : What's your shipping way ?
A : 1. We have our own forwarder to ship goods by DHL, UPS, FEDEX, TNT, EMS.
2. If you have your own forwarder, we can cooperate with them.
Q6 : How about the MOQ?
A : 1 pcs, but normally 5 pcs samples for memrbane switch, 10 pcs for membrane overlay.
Q7 : What's your main market?
A : Europe, USA, Brazil, Russia, Turkey, Iran, Austrialia, Singapore...
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Shenzhen Lunfeng Techonology Co., Ltd
