Tin Cure Silicone Rubber RTV2 20 Shore A Brush-On Liquid for Architectural Restoration GFRC Molds
Price:
Negotiable
MOQ:
1 Kilogram
Delivery Time:
5-7 Days
Brand:
Hanast
Product Description
RTV2 Brush-On Tin Cure Liquid Silicone Rubber for Architectural Restoration & GFRC Molds — HN-620 A/B
HN-620 A/B is an industrial-grade RTV2 tin cure (condensation cure) liquid silicone rubber, mixed at 100:2 and vulcanized at room temperature. With high impact resistance, high tear strength, low shrinkage and good fluidity, it is well suited to brush-on and poured molds for architectural restoration, GFRC (glass fiber reinforced concrete) production, brick carving and large decorative construction elements.
Key Features
- High impact resistance, strong tear resistance, high & low temperature resistance
- Acid & alkali resistance and aging resistance for long-lasting outdoor mold use
- Low linear shrinkage (≤0.2%, i.e. ≤2‰) for faithful reproduction of fine ornament detail
- Suitable for brush-on application on large, vertical or complex architectural surfaces
- Good fluidity and self-leveling; easy demolding, finished part will not turn white
- Non-toxic and odorless; ROHS & SGS certified; hardness / viscosity / color adjustable (OEM/ODM)
Technical Specifications
| Property | Value |
|---|---|
| Model | HN-620 A/B |
| Mixing Ratio (A:B) | 100:2 |
| Viscosity | 170,000 cps |
| Density | 1.06 g/cm³ |
| Hardness | 20 Shore A |
| Tensile Strength | 3.1–3.6 MPa |
| Tear Strength | 19.8–24.3 kN/m |
| Elongation | 600–720% |
| Linear Shrinkage | ≤0.2% (≤2‰) |
| Curing Agent Addition | 2–3% |
| Operating Time | 30–40 minutes |
| Curing Time | 3–4 hours at room temperature |
Applications
- Architectural restoration and heritage ornament reproduction molds
- GFRC (glass fiber reinforced concrete) and decorative concrete molds
- Brick carving, stone carving, Roman columns and large decorative construction elements
- Gypsum, cement parts, cultural stones; resin & gypsum handicrafts; soap and segmented molds
Trade Information
- Place of Origin: Guangdong, China
- Certification: ROHS, SGS
- Minimum Order Quantity: 1 kilogram
- Packaging: 25KG / iron drum
- Delivery Time: 5–7 days
- Payment Terms: T/T
- Price: Negotiable — contact us for wholesale and OEM quotations.
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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