Jewellery
RTV-2 SILICONE RUBBER
Casting silicones that set cold by poly addition. RTV-2 silicones are used in the lost wax casting process to form an investment mould into which molten metal can be poured.
We supply clear and coloured silicones in a range of hardnesses, developed in conjunction with leading premium jewellers.
The key characteristics of these silicones are:
- Maximum precision in the reproduction of details
- Low viscosity
- Ease of use
- Dimensional stability over time
- Excellent chemical compatibility with waxes
- High mechanical strength
- Excellent colouring to satisfy the needs of novice and expert users.
| Name | Chemical | Colour | Mixing ratio | Hardness (ShA) | WT (@ 23°C) | ST (@ 23°C) | Tear (N/mm) | Visc (cP) | Smallest pack | Std pack | Medium pack | Big pack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HT 33 Transparent | RTV-2 Platinum cure | translucid | 1 : 1 | 33 | 20’ | 3h 30' | 20 | 7500 | 1+1 kg | 5+5 kg | 25+25 kg | 200+200 kg |
| HT 33 Rosso | RTV-2 Platinum cure | red | 1 : 1 | 33 | 20’ | 3h 30' | 20 | 7500 | 1+1 kg | 5+5 kg | 25+25 kg | 200+200 kg |
| HT 42 Grigio | RTV-2 Platinum cure | grey | 1 : 1 | 41 | 25' | 8h | 17 | 25000 | 1+1 kg | 5+5 kg | 25+25 kg | - |
| HT 45 Transparent | RTV-2 Platinum cure | translucid | 1 : 1 | 43 | 12' | 2h 30' | 15 | 8000 | 1+1 kg | 5+5 kg | 25+25 kg | 200+200 kg |
| ZA 50 LT | RTV-2 Platinum cure | blue | 1 : 1 | 50 | 18' | 4h | 8 | 18000 | 1+1 kg | 5+5 kg | 25+25 kg | 200+200 kg |
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