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Description
MY M7140 is a two-component, transparent, long-life addition liquid silicone rubber for electronic keys.
Features
Excellent fluidity, demoulding, good molding and high efficiency;
Excellent mechanical properties and fatigue resistance
Excellent electrical insulation
ROHS certification
Applications
Electronic keys
Keyboard cover
3C product sealing
Other injection molding products
NOTES
1. MY M7140 is a platinum catalyzed product. The platinum catalyst is in the component A. Strict attention should be paid when using, to avoid catalyst poisoning.
2. Only components A and B of the same lot number can be mixed together.
3. To ensure optimum fluidity and homogeneity
of the material, the material must be thoroughly agitated before being
transferred to the container to disperse any sedimentation that may occur
during the storage period.
Technical index:
Properties |
Test Method |
Value |
uncured |
|
|
Component A |
|
|
Viscosity at 23℃, stirred |
ISO3219 |
150mPa.s |
Component B |
|
|
Viscosity at 23℃, stirred |
ISO3219 |
100mPa.s |
Product data (A+B mixed) |
|
|
Viscosity at 23℃, stirred |
ISO3219 |
125mPa.s |
Curing time |
|
See curing conditions |
Product data (after cured) |
(23±2℃, after curing for 24h) |
|
Density 23℃ |
|
1.09 g/cm3 |
Hardness (Shore A) |
DIN 53505 |
40 |
Tensile Strength |
DIN 53504 |
6.0MPa |
Elongation |
DIN 53504 |
320% |
Tear Strength |
|
15KN/m |
Packaging
Component A: 200 Kg/drum, component B: 200 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.