Low Shrinkage HN-620 A/B Tin Cure Liquid Silicone for Plaster Cornice Molds Making
Price:
Negotiable
MOQ:
25 Kilograms
Delivery Time:
3-5 working days for samples, 10-15 days for bulk production
Brand:
HANAST
Product Description
Low Shrinkage Tin Cure Liquid Silicone Rubber for Injection Molding
HN-620 A/B is a two-component tin cure liquid silicone rubber with low shrinkage of ≤0.2%, engineered for injection molding and crafts making. Cured at room temperature with a 100:2 mixing ratio, it offers high tear strength and easy perfusion for detailed and durable molds.
Key Features
- Low Shrinkage ≤0.2% - Precise reproduction of the finest and most complex details
- High Tear Strength - 19.8-24.3 kN/m for long service life and frequent mold turnover
- High Elongation 600-720% - Excellent flexibility for complex segmented molds
- Easy Perfusion & Good Fluidity - Self-leveling, easy foaming release for complete mold filling
- High & Low Temperature Resistance - Acid, alkali and aging resistant for demanding environments
- Easy Demolding - Finished products will not turn white, reusable many times
- Customizable - Color, hardness, viscosity and operating time adjustable per requirements
Technical Specifications
| Model | HN-620 A/B (HN-620AB) |
| Viscosity | 170000 cps |
| Hardness | 20 Shore A |
| Tensile Strength | 3.1-3.6 MPa |
| Tear Strength | 19.8-24.3 kN/m |
| Elongation at Break | 600-720% |
| Linear Shrinkage | ≤0.2% |
| Curing Agent Addition Ratio | 2-3% |
| Operating Time | 30-40 mins |
| Curing Time | 3-4 hours |
| Packaging | 25Kg/200Kg iron drum |
Typical Applications
- Injection Molding Crafts
- Resin & Gypsum Handicrafts
- Large-Scale Stone & Cement Molds
- Cultural Stone & Roman Columns
- Segmented Molds & Tire Turning Molds
As a direct factory manufacturer, we offer custom formulations and free evaluation samples. Contact our sales team today for bulk wholesale pricing.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Hanast New Material co.,LTD
Location
Units 1210-1211, Block B, Building 6, Hengda Fashion Valley, Dalang Street, Longhua District, Shenzhen, Guangdong Province, China
Contact Person
Candy