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Lukopren N 5221
Two-component silicone rubber
The medium viscous polymeric paste with a good fluidity vulcanizes to a softer silicone rubber after mixing with the catalyst at ordinary temperatures.
A more flexible and durable type for the production of demanding, shape fragmented moulds, for multiply repeated casting and a large number of casts.
Packaging: carton (including catalyst); 5 kg bucket
Data sheet
| Appearance | white rubber moulding paste |
| Viscosity | 14 Pa.s |
| Hardness of rubber | 23 - 25 °ShA |
| Elongation at break | 280 - 300 % |
| Thermal resistance | - 50 to + 180 °C |
| Recommended dosing of the Lukopren Catalyst N | 2 - 3 wt. % |