Remix each of the two components (part A and B) every time before using.
Add 100 parts of SILBIONE® RTV 4330 A to 100 parts of SILBIONE® RTV 4330 B
Mix thoroughly the two components by hand until a homogeneous colour is obtained. Mix gently in order to avoid air bubbles from being entrapped.
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

SILBIONE RTV 4330 A 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 SILBIONE® RTV 4330 A/B is a two components silicone elastomer which cures at room temperature by an addition curing reaction (1:1 ratio).

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
Low linear shrinkage

SILBIONE® RTV 4330 A/B is basically intended dedicated to audiology laboratories.

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