Mix the BLUESIL RTV with the catalyst according to the mixing ratio. Mix by hand both components until a uniform colour is obtained.

Warning: for mixing use only clean stainless steel or plastic vessels. Crosslinking of RTV vulcanising by an addition cure reaction may be inhibited by contact with products like:

  • Heavy metal salts,

  • Amines,

  • Sulphur and derivatives,

  • Catalysts of epoxy resins.

BLUESIL RTV 4290 BLUE may be stored at a temperature below 40°C / 104°F for up to 24 months from its date of manufacturing.Please consult the Safety Data Sheet of this product.


The BLUESIL RTV – DENTAL DUPLICATION MATERIALS are two component silicones elastomers which polymerize at room temperature by a silanol curing reaction.

2 Part RTV

  • Excellent details reproduction.

  • Good mechanical properties.

  • No release of toxic substances during and after curing.

  • High resistance to inorganic chemicals and UV rays.

  • Good release properties with organic resin and hydrated plaster of Paris.

  • Biocompatibility and no toxicity.

These products are specially formulated for use in dental laboratories (key mould technique). After having been mixed with the catalyst and having formed a cured product. The BLUESIL RTV – DENTAL DUPLICATION MATERIALS have an elastic appearance with high hardness.

Europe Middle East Africa












pot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6apot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6aPot life2PairedMixISO 4823min
hardness_cd523e03-72a3-4261-93f9-36f7bbeeafb1hardness_cd523e03-72a3-4261-93f9-36f7bbeeafb1Hardness90PairedMixASTM D 2240