Factory price rtv2 silicone rubber for crafts molding
Factory price rtv2 silicone rubber for crafts molding
Crafts Molding Silicone
A number of custom, Do-It-Yourself craft and hobby projects can be completed with the help of GC Silicone molding materials. Any decorative object (e.g., resin jewelry, model trains, custom tiles, small figurines, wall art, much more) can be molded using silicone or polyurethane mold rubber and then replicated in any number of materials, including plastic, concrete, plaster, foam and more.
Popular mold making silicone rubber is C-820 and C-825, which is at in-cured silicone rubber with a 100A:3B mix ratio; measure with a digital scale.
|
Typical general characteristics |
Inspection Method |
Value |
|
|
Product data (Catalyzed A+B) |
C-820 |
C-825 |
|
|
Hardness |
Shore A |
20±2 |
25±2 |
|
Mix Ratio |
A:B |
100:3 |
100:3 |
|
Color |
/ |
White |
White |
|
Pot life |
25 °C (77F) |
30-40mins |
30-40mins |
|
Curing time |
25 °C (77F) |
3-4 hours |
3-4 hours |
|
Mixed viscosity |
16000±1000 |
20000±1000 |
|
|
Tear-strength |
kg/cm |
20±2 |
22±2 |
|
Tensile-strength |
|||
|
Elongation |
% |
400±50 |
450±50 |
|
Shrinkage |
% |
≤0.3 |
≤0.3 |
Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise.
Low viscosity,great flexibility,Extra low shrinkage,Chemical resistance,release properties, Easy to work with,High tear strength,Heat Resistance,various color is available,High reproduction rate
When stored at or below 32°C (89.6°F) in the original unopened containers, C-8 series Silicone Base and its Curing Agents have a usable life of I0 months.
Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.
Curing Agent: 30g/bottle; 1kg/bottle
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