Bulk Supply Liquid Silicone Rubber For Diversified Industrial Mold Production
Description of Tin Cure Silicone Rubber
HN-620 A/B belongs to two-component liquid silicone materials. The A and B agents are mixed at a 100:2 proportion, and the compound can cure naturally at room temperature without heating.
Application
HN-620 A/B is industrial-grade liquid silicone rubber specially developed for construction mold making. It is applicable to mold replication of large-size natural stone, gypsum products, cement components, cultural stone, artificial stone, Roman columns, stone carvings, and other architectural & decorative pieces.
In addition, it can fabricate split molds for resin crafts, gypsum artworks, handmade soap, tire casting molds and more similar products.
Technical parameter
|
|
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
1. It delivers excellent tear strength, outstanding high and low temperature resistance, superior acid and alkali corrosion resistance, and long-term aging resistance for stable long-cycle use.
2. Featuring favorable fluidity, the material allows easy defoaming and smooth demolding, ensuring no whitening on finished molded products.
3. The customized silicone mold supports frequent flipping operations and boasts an extended service life.
4. It achieves an ultra-low linear shrinkage rate of less than 0.2%.
5. The product’s color, hardness, viscosity and working time are all customizable to meet diverse application requirements.
Advantages
Tear Resistant & Long Service Life
Hannast molding silicone features superior flexibility and exceptional tear resistance compared with conventional silicone materials. The finished molds support repeated flipping and multiple reuses, delivering a significantly extended service life.
Ultra-Low Shrinkage & Precise Replication
With an ultra-low linear shrinkage rate of ≤0.2%, the material minimizes dimensional deviation. It accurately reproduces intricate, fine and complex surface details for high-precision molding results.
Non-Toxic & Odor-Free
Formulated with high-purity premium silicone raw materials, the liquid silicone rubber generates no pungent or unpleasant odors during use. It is non-toxic and safe for long-term application.
Excellent Fluidity & Easy Processing
The liquid silicone rubber boasts outstanding fluidity and self-leveling performance. It facilitates rapid bubble release and smooth pouring, enabling effortless and complete mold filling for simplified molding operations
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