RTV2 Condensation Cure Liquid Silicone Rubber Strong Fluidity High Temperature Resistant For Plaster Casting Molds
Price:
Negotiable
MOQ:
1 kilogram
Delivery Time:
5-8 workdays
Brand:
Hanast
Product Description
RTV2 Condensation Cure Liquid Silicone Rubber
Product Overview
HN-620 A/B is an industrial-grade, two-part condensation cure liquid silicone rubber system with a standard mixing ratio of 100:2 by weight. This RTV (Room Temperature Vulcanizing) silicone rubber features strong fluidity and high temperature resistance, making it ideal for plaster casting molds and various industrial applications.
Primary Applications
- Mold making and replication of large stone pieces, gypsum & cement components
- Cultural stone, artificial stone, Roman columns, and stone carvings
- Architectural and decorative materials production
- Split molds for resin crafts, gypsum artworks, and handmade soap
- Tire casting molds and other industrial applications
Technical Specifications
| Parameter | Value |
|---|---|
| Model | HN-620AB |
| Viscosity (cs) | 170,000 |
| Feature | High temperature resistance |
| Hardness (A°) | 20 |
| Elongation (%) | 600-720 |
| Tear Strength (kN/m) | 19.8-24.3 |
| Linear Shrinkage (%) | ≤0.2 |
| Curing Agent Addition Ratio (%) | 2-3% |
| Operating Time (mins) | 30-40 |
| Curing Time (hours) | 3-4 |
Key Features
- Strong tear resistance with excellent high and low temperature performance
- Acid and alkali resistance with superior aging resistance
- Excellent fluidity for easy release and demolding without white residue
- Long service life with high frequency mold turnover capability
- Minimal linear shrinkage rate (less than 0.2%)
- Customizable color, hardness, viscosity, and operating time available
Application Instructions
- Thoroughly shake Part B curing agent before use. Weigh Parts A and B at 100:2 ratio and mix uniformly, ensuring complete blending by scraping container sides and bottom.
- Vacuum deaerate the blended compound for no more than 10 minutes to avoid over-extended vacuuming.
- Allow full room-temperature curing for approximately 4 hours. Heating is not required, but if thermal acceleration is needed, maintain temperature below 100°C.
- For optimal mold performance, allow a full 24-hour post-curing rest before demolding or application.
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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
Candy