BESTEC CO.

Silicone Rubber Keypad Div

Bestec's excellent services cover the silicone rubber keypads and also includes rubber products. Bestec has plants in both Seoul and China to meet every customer's need: competitive pricing, top quality output and quick turn around. You will be pleasantly surprised by the excellent service and quality. Short lead time-Quote with 48 hrs, 1st article within 25 working days.

Long operating life

Dust problems eliminated: Pad acts as gasket, sealing PCB

Hard key top is at customer's option

The contact points are finished electro conductive either by molding a carbon conductor or
by using the silk-screening method

Moisture, dust and drop proof

Silicone will not discolor

FEATURES

ADVANTAGES OF SILICONE RUBBER KEYPADS

Non toxic

Wide range of sizes & colors

Lower volume resistance

Shock & vibration absorbent

Superior resistance to extreme heat & cold

Outstanding electrical insulation

Excellent weather resistance

Good compression recovery

Flame retardant

Force-Stroke Curve Of Rubber Keypad

Conditions For Design Of Rubber Key

PHYSICAL & ELECTRICAL PROPERTIES

NON-CONDUCTIVE SILICONE CONDUCTIVE SILICONE

TEMPERATURE FOR USE -50° C - +250° C -50° C - +250° C

SPECIFIC GRAVITY 1.16 1.18

TENSILE STRENGTH 80Kg/cm² 50Kg/cm²

TEAR STRENGTH 20Kg/cm 12Kg/cm

ELONGATION AT BREAK 310% 220%

SPECIFIC RESISTIVITY 1 X 10¹⁵cm 4¹⁵cm

CONTACT RESISTANCE - <100