Milky White Soft RTV2 Liquid Silicone Rubber Suitable For Concrete
Mold Making
Description of Tin Cure Silicone Rubber
HN-620 A/B is a two-component liquid silicone material. Two
components are mixed in a ratio of 100:2. This product is cured at
room temperature.
Application of Tin Cure Silicone Rubber
HN-620 A/B Industrial-grade liquid silicone rubber for
manufacturing construction molds is suitable for the molding and
reproduction of large-scale stones, gypsum, cement parts, cultural
stones, artificial stones, Roman columns, stone carvings and other
furniture, construction and decoration products; it can also be
used for
resin handicrafts, gypsum handicrafts, soap handmade soaps, tire turning molds, and other segmented molds.
Technical parameter of Tin Cure Silicone Rubber
| Model | HN-620AB |
| Feature | high tear resistance |
| Viscosity (cs) | 170000 |
| Gravity ( G/cm 3 ) | 1.06 |
| Hardness(A°) | 20 |
| Strength( MPa) | 3.1-3.6 |
| Tear Strength (kN/m ) | 19.8-24.3 |
| Elongation(%) | 600-720 |
| Linear Shrinkage(%) | ≤0.2 |
| Curing Agent Addition Ratio(%) | 2-3% |
| Operating Time( mins ) | 30-40 |
| Curing Time( hours ) | 3-4 |
Feature of Tin Cure Silicone Rubber
1. Strong tear resistance, high and low temperature resistance,
acid and alkali resistance, and aging resistance;
2. Good fluidity, easy to release foam, easy to demould, and the
finished product will not turn white;
3. The silicone mold can be turned over frequently and has a long
service life;
4. The linear shrinkage rate is less than two thousandths;
5. Product color, hardness, viscosity, and operating time can be
adjusted as needed.
Advantages of Tin-Cure Silicone Rubber
Tear-resistant and long-lasting
Compared with others, Hannast molding silicone has better
flexibility and stronger tear resistance, and the silicone mold has
a longer service life and can be reused many times.
Low shrinkage and precise reproduction
The shrinkage rate is negligible, ≤2‰, enabling the reproduction of
the finest and most complex details.
Non-Toxic & No Odor
Made of premium silicone material, liquid silicone rubber will not
produce unpleasant odors, allowing you to use more assured
Good Fluidity
Liquid silicone rubber has good fluidity, self-leveling,
easy-release bubbles,and easy pouring to help complete the mold.
