HT 33 Transparent Silicone, Addition Cure, 33 ShA

Stock: 100g (2X50):  4 pcs
200g (2X100):  4 pcs
400g (2X200):  1 pcs
HT 33 Transparent Silicone, Addition Cure, 33 ShA
HT 33 Transparent Silicone, Addition Cure, 33 ShA
HT 33 Transparent Silicone, Addition Cure, 33 ShA
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.


Shipping Cost :
4,7 €
Delivery Time :
1 day
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Question about the product
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Dowload the HT 33 Silicone Datasheet (PDF, 101 kB)

The curing process may be prevented by the following:

You have to take special care when using additive silicone systems.

While you handle and mix the silicone elastomer components, make sure that all mixing tools (vessels, spatula, mixer, etc.) are clean and made of materials that do not affect the curing process or chemical reaction.

Do not use wood and paper mixer!

The following materials may also inhibit the polymerization of the silicone resin:

  • the presence of nitrogen, sulfur, phosphorus and arsenic
  • compounds
  • organic tin catalysts
  • PVC stabilizers
  • epoxy resin catalysts

In addition, the following materials, products or materials containing them should also be kept away.

  • moulding clay
  • sulfur vulcanized tires
  • condensation silicone rubber
  • wood, paper, onion and garlic.

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Raw material state
Pot life
20 minute
Curing time
3 hour
7 000 mPas
Heat Resistance
-40 – 200 degree Celsius
Tear resistance
16 N/mm
Shore Hardness
33 ShA
Mix Ratio
100 : 100 by weight
Tensile Strength
4.7 MPa
Technical datasheet
100g (2X50):  4 pcs
200g (2X100):  4 pcs
400g (2X200):  1 pcs
Article No.
In Stock    
110 g/pcs
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