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.