RTV R-20 Silicone Rubber & Catalyst


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RTV R-20 is a condensation cure (Tin Based) silicone elastomer which, after the addition of a catalyst, cures at room temperature and leads to a flexible and elastic material. RTV R-20 is excellent for making moulds for the production of parts made of different materials, such as plaster, wax, acrylic resin, polyester resin, epoxy resin, as well as silicone elastomers. Example applications include:

  • Decoration items: cornices, columns, ornaments, statues
  • Figurines: toys, candles, statues, giftware
  • Furnishing: furniture and decorative parts
  • Construction: decorative items, pavement, paving stone, columns
  • Artistic foundries: molds for the lost wax casting technique.

RTV R-20 offers the following advantages:

  • Good fluidity.
  • Excellent mechanical properties, in particular tear strength.
  • Excellent flexibility and its low modulus facilitate the mould release.

Supplied with Catalyst QC (Quick Cure) 10% mix by weight. ie. 100g of catalyst to 1kg silicone.

Additional information

1.1kg, 22kg, 5.5kg

Material Safety Data Sheet

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