20 Shore A Two Parts RTV2 Tin Cure Silicone Rubber Liquid for Resin Mold Crafts High Elongation
Price:
Negotiable
MOQ:
25 Kilograms
Delivery Time:
3-5 working days for samples, 10-15 days for bulk production
Brand:
HANAST
Product Description
Two Parts RTV2 Tin Cure Silicone Rubber Liquid for Mold Making
HN-620 A/B is a two-component tin cure silicone rubber liquid cured at room temperature with a 100:2 mixing ratio. Engineered for pouring, brushing and injection molding of large-scale construction molds, it delivers high elongation of 600-720% and low shrinkage precise reproduction for statues, sculptures, cultural stones and architectural elements.
Key Features
- High Elongation 600-720% - Excellent flexibility for complex segmented molds and easy demolding
- Low Shrinkage ≤0.2% - Precise reproduction of the finest and most complex details
- Strong Tear Resistance - 19.8-24.3 kN/m tear strength for long service life and frequent mold turnover
- Good Fluidity & Easy Bubble Release - Self-leveling liquid that easily releases foam for complete molds
- 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-640AB) |
| 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
- Large-Scale Stone & Gypsum Molds
- Cement Parts & Cultural Stone Molds
- Roman Columns & Stone Carvings
- Resin & Gypsum Handicrafts
- 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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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
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