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> Company Blog About Tin-Cure RTV-2 Liquid Silicone for Mold Making: A B2B Buyer's Guide (100:2 Ratio)
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Tin-Cure RTV-2 Liquid Silicone for Mold Making: A B2B Buyer's Guide (100:2 Ratio)

2026-10-13

Latest company news about Tin-Cure RTV-2 Liquid Silicone for Mold Making: A B2B Buyer's Guide (100:2 Ratio)

What Is Tin-Cure RTV-2 Liquid Silicone?

Tin-cure (condensation-cure) RTV-2 liquid silicone is a two-component silicone rubber mixed at a 100:2 ratio by weight that cures at room temperature. It is an economical mould-making material for candles, soaps, crafts, plaster and cement.

Typical Applications

  • Candle and soap moulds (soft grades);
  • Craft moulds for resin, gypsum and cultural stone;
  • Concrete and cement moulds, including flower pots (harder grades);
  • Plaster and art/handcraft mould making.

Key Specifications (HN-6XX Series)

PropertyValue
Mix ratio100:2 by weight
Hardness rangeShore A 5 to 50
Pot life30–40 min at 25°C
Cure12–24 h at room temperature
Oil bleedNone (non-oily)
Linear shrinkage≤0.2%

Frequently Asked Questions

What mix ratio does tin-cure silicone use? 100:2 by weight (A:B); accurate dosing is critical.

Does it require heat to cure? No — it cures at room temperature; heating is not recommended.

Which grade suits concrete moulds? Harder grades (Shore A 30–40) are recommended.

Conclusion

For economical, room-temperature mould making, tin-cure RTV-2 liquid silicone offers fine detail, easy demoulding and no oil bleed. Shenzhen Hanast New Materials supplies HN-6XX Series silicone for candle, soap, craft and concrete moulds.

Units 1210-1211, Block B, Building 6, Hengda Fashion Valley, Dalang Street, Longhua District, Shenzhen, Guangdong Province, China E-mail: sales11@hanastsilicone.com Tel: +8613670122311 Tel: +8613670122311
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