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Help CenterPlatinum Cure Silicone Rubber Rtv2 for Artificial Stone Molds
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1.Description
YJS-640 platinum cure silicone is a kind of two part silicone rubber in addition cure or platinum cure type with mixing ratio of 1:1 or 10:1. It can cure at room temperature as well as under heat. It's a kind of food grade silicone and mainly used for mold making.
2.Application
YJS-640 silicone rubber is mainly used for making molds of Jewellery, tire, concrete stone, GRC,
polyurethane products; wax, candle decoration; rapid prototyping and tire molds; chocolate, candy and similar products.
3. Technical Parameters
Typical general characteristics |
Inspection Method |
Value |
Product data (Catalyzed A+B) |
YJS-640 |
|
Hardness |
Shore A |
40±2 |
Mix Ratio |
A:B |
1:1/10:1 |
Color |
/ |
translucent |
Pot life |
25 °C (77F) |
30-40mins |
Curing time |
25 °C (77F) |
3-4 hours |
Mixed viscosity |
mPa.s |
9000±1000 |
Tear-strength |
kg/cm |
12±2 |
Tensile-strength |
M.pa |
6.0±1.0 |
Elongation |
% |
450±50 |
Shrinkage |
% |
≤0.1% |
4. Characteristics
*An exceptional fluidity and good operability, easy to demold
*Good tensile and tear strength
*Outstanding bubble releasing
*Non-deformation
*Low shirinkage
*Aging resistance ,high temperature resistance (200℃)
*Environmentally, food-grade
5. Warm Tips
1.As addition cure silicone is a kind of platinum cure system ,which will be easy to cause uncured problem ,so kindly follow the tips below :
2.Do not mix with liquid condensation silicone rubber or even the tool which used for condensation silicone;
3.Do not mix with organic matter which contains N, S, P organics and ionic compound like Sn, As,Hg, Ph;
4.Do not add any pigment or powder into the addition cure silicone rubber without any testing to prevent uncured problem.
6.SHELF LIFE:
When stored at or below 32°C (89.6°F) in the original unopened containers, G-8 series Silicone have a usable life of 12 months.
7.Package
1kg/drum; 20kg/drum;25kg/drum;200kg/drum.
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