HT 33 Transparent Silicone, Addition Cure, 33 ShA

The HT 33 TRANSPARENT silicone is a two-component RTV rubber, which is especially recommended for making concrete (jewellery concrete) moulds.


Suitable for use with a polyurethane resin, acrylic resin, epoxy resin and polyester resin, but does not usually adhere to plasters, coatings and paints.

Main Application Areas:

mould production and modeling with significant reproductive accuracy. It has high dimensional stability and excellent mechanical strength.



The HT 33 TRANSPARENT silicone has the highest tear resistance and tensile strength among all the silicones we offer to you in this webshop.

It is also successfully applied in manufacturing smaller plastic parts with complicated geometry, but the most common use is for jewellery making.



With high-temperature stability and resistance, it is particularly suitable for

• wax,
• candle casting and
• low-melting metals,
• quick prototyping mould making.