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 B YLW 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
 -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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