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Power-Tech Keyboard Switch Co., Ltd.

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Products

Silicone Rubber Keyboard & Component Parts

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Description :

SILICONE TUBING/WIRING, RUBBER ROLLER, INTER-CONNECTOR LG/LS/
L-TYPES, SWIMMING & DIVING ACCESSORIES, O-RINGS, FDA REGULATION
GRADE NIPPLES AND STOPPER FOR CHILD-CARE AND MEDICAL USE,
ANODE ANODE CAPS ACCESSORIES FOR FLY-BACK TRANSFORMERS.

Specification :

☆PHYSICAL PROPERTIES:
Parameter
Conductor(Contact)
Insulator(Elastomer)
Specific Gravity at 25oC  1.18  1.11-1.18
Hardness(Shore A)  655  40-805
Tensile Strength(kg/cm2)  60  70
Elongation(%) at Break  >100  >100
Tear Strength(kg/cm2)  9  12
Compression(%)After  >30  >35
22 Hours at 175@oC

☆ELECTRICAL CHARACTERISTICS:
Contact Resistances <200 OHM AT 12V, DC 300mA
Insulation Resistance >1000HMat250VDC
Max. Contact Loading 24V DC, 100mA
Contact Material Carbon impregnated silicon

☆DIELECTRIC CHARACTERISTICS:
Strength 15-17(kv/mm)
Constant 2.6-3.5(MHz)
Dissipation 1410-3 ~2.8103(MHz)
Volume Resistance 61014~11016(ohm~cm)

☆CHEMICAL RESISTANCE:
Silicon rubber keypads can safety be exposed to the following materials.
Solvents Acids
Acetone 5% Hydrochloric acid
Alcohol 5%Nitric acid
Mineral spirits 5% Phosphoric acid
10% Sulfuric acid
Consult us for specific chemicals which concern your application.

☆ACTUATION FORCE/FEEL/LIFE:
Typical Effects
Actuation Force
Tolerance Feel
Tactile Feet
Life
  50 grams  15-20  Excellent    lkk
  70 grams  20-25  Excellent    lkk
  90 grams  20-30  Excellent    lkk
 100 grams  25-35  Excellent    lkk
 120 grams  25-35  Good    lkk
 150 grams  30-40  Fair    lkk
 170 grams  35-40  Poor    450k
 200 grams  50  None    50K Type
   (IOOkMax)
All effects are estimated according to typical key structures.

☆TOLERANCE:
1.
Dimensional Tolerance
Under 30mm 0.10mm
30mm-
50mm 0.20mm
50mm-
100mm 0.30mm
100mm-
150mm 0.40mm
150mm-
200mm 0.50mm
Over 200mm 0.80mm
2.
Typical tolerance to actuation force is 25 grams.
3.
Material hardness tolerance is 5 degree shoreA.
4.
Tolerance of conductive pill thickness is 0.10mm
5.
High precision Manufacturing is possible at higher cost.

☆FORCE VS TRAVEL/TACTILE FEEDBACK :
Fa:Overall travel force.
Fb:Actuating force.
Fc:Snap-effect
S1:actuating distance
S2:Travel distance
S3:Overtravel distance

Country of Origin :

Taiwan

Main Export Markets :

Europe , America ,

Payment Details :

Payment Terms : T/T before shipment
Minimum Order : 500 - 1000 Pieces
Others : T/T before shipment. For the new business, T/T 50% when PI confirmed , T/T 50% before shipment

Delivery Details

FOB Port : Taichung

About Us

Power-Tech Keyboard Switch Co., Ltd. established in the 1986 as a leading manufacturer located in the Asia Technology Center Taiwan in producing a full range of Membrane Keyboard Switch, Graphic Keyboard Overlay, Printed Circuit Board (PCB), Flexible Printed Circuit (FPC), Touch Screen Panel and Silicone Rubber Keypads etcs. are fully of custom- designed keyboards for our world-wide Customers.
Business Type: None

Main Products

Membrane Keyboard Switch, Graphic Keypad Overlay, Printed Circuit Board (PCB), Flexible Printed Circuit (FPC), Touch Screen Panel, Silicone Rubber Keypad and Component Parts

Contact Details

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