liquid silicone rubber for computer keydoard
Description: Liquid Silicone Rubber for Computer Keyboard
(1) Type :RS-50XXA/B series
(2)Main characteristics and advantages
This series of products are suitable for rapid vulcanization of two-component liquid silicone rubber in injection moulding process. They have the characteristics of high strength and low odor.
(3) Product characteristics
●Excellent strength
●Rapid vulcanization at medium temperature
●Excellent thermal stability or weather ability
●Excellent resilience and dimensional stability
●Excellent yellow resistance and Heat aging resistance
●Molded products have low odor
●Compliance with FDA, ROHS, etc.
(4) Applications
Formed computer keyboard ，Single KEY silicone cap
(5) Packing
20KG/200KG Standard drum
(6)Technical Index
| Index | Reference standard | Unit | RS-5040 | RS-5140 |
| Appearance | Basic opacity | translucent | ||
| Viscosity | DIN 53019 | mpa.s | 60.000 | 70.000 |
| Density | DIN53 479A | g/cm³ | 1.08 | 1.09 |
| Hardness | DIN53 505 | °A | 42 | 42 |
| Tensile strength | DIN53 504 S2 | MPa | 5.0 | 5.5 |
| Tear strength | ASTM D624 Die c | KN/m | 10 | 13 |
| elongation | DIN53 504 S2 | % | 300 | 300 |
| Compression set | DIN53 517 22hrs at 175℃ | % | 25 | 25 |
| Linear shrinkage | JISK 5301 | % | 1.5 | 1.5 |
| Vulcanization conditions | 140℃×10mins | |||
(7)Remarks
The above typical data is for reference only, it can not be used as a basis before use. The specific forming process conditions should be determined by the product specifications and types. You can also contact to our engineering department.
