Optical Liquid Silicone Rubber MY LSR 3G30 Series
Addition silicone rubber for High-strength fireproof cloth MY LSR 3420-40T
Special addition liquid silicone rubber for electronic keys MY LSR 3740
General Precipitated Liquid Silicone MY LSR 3525 Series
Food grade liquid silicone rubber MY LSR 3750 series for kitchenware
Description
MY LSR 3M70 A/B is a liquid
silicone rubber with self-adhesive properties to PC and good mold release.
Features
1. Two-component, 1:1 mixing ratio
2. Excellent mold release
3. Excellent self-adhesion to PC
4. Fast heat curing
5. Excellent mechanical properties
Applications
1. Goggles seal
2. Mobile phone protective case plastic wrap
3. Smart watch back cover sealing ring
4. Mobile phone card tray seal, etc.
Curing:
|
temperature |
Curing time, 1cm thickness |
|
125℃ |
200 S |
|
150℃ |
50 S |
Notes
1. MY LSR 3M70 A/B is a product catalyzed by platinum. The platinum catalyst is in the A component, and should be used with strict attention to avoid catalyst poisoning.
2. Only same batch of components A and B can be mixed together.
3. To ensure the
best fluidity and uniformity of the material, the material must be fully
stirred before being transferred into the container.
Technical index:
|
Properties |
Test Method |
Value |
|
uncured |
|
|
|
Component A |
|
|
|
color |
|
transparent |
|
Density 23℃ |
|
1.140 g/cm3 |
|
Viscosity 23℃, 10S-1 |
ISO3219 |
350Pa.s |
|
Component B |
|
|
|
color |
|
translucent |
|
Density 23℃ |
|
1.140 g/cm3 |
|
Viscosity at 23℃, 10S-1 |
ISO3219 |
550Pa.s |
|
Product data (A+B mixed) |
|
|
|
Mixing ratio (weight) |
A:B |
1:1 |
|
Viscosity at 23℃, 10S-1 |
ISO3219 |
450Pa.s |
|
Curing time |
|
See curing conditions |
|
Product data (after cured) |
|
|
|
color |
|
transparent |
|
Density 23℃ |
|
1.140 g/cm3 |
|
Hardness |
DIN 53505 |
70 |
|
Tensile Strength |
DIN 53504 |
8MPa |
|
Elongation |
DIN 53504 |
320 % |
|
tear strength |
ASTMD 624B |
28 KN/m |
|
PC cohesive destruction ≥50% |
/ |
qualified |
Packaging
Component A: 20 Kg/drum, component B: 20 Kg/drum.
Storage
1. Below 23°C, unopened barrels can be stored for 12 months, and the best use-by date is marked on the label of each product's outer packaging.
2. After the expiry date, it is necessary to do performance tests for relevant indicators to ensure the quality, and then could be used.