Polyment silicone rubber type 17 RTV NV whitish Shore 10 - 20 - 30

Polyment GmbH

  • €56,90
    Unit price€54,19 per kg
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Polyment silicone caoutchouc type 17 RTV NV whitish Shore 10 - 20 - 30 condensation 100:5 duplicating silicone concrete casting faithful models -

Quality made in Germany

Quality made in Germany!

Silicone rubber type 17 is very well suited for the production of demanding, elastic and durable shapes with pronounced undercuts.

Type 17 silicone rubber can be used to produce one-piece or multi-piece molds for molding original models made of wood, glass, metal, plastic, wax, or ceramic casting compounds.

You can use all water-soluble casting materials such as relief casting compounds such as Stewalin, Plastalin Super, Keraflott or plaster, keramin, Alabit, modeling and modeling plaster, casting stone, cement, concrete, etc. to cast in the molds that have been produced.

Soap casting compounds (soap glycerin) for making your own soap or wax for making candles are also possible without any problems, as is casting with casting resin (resin).

Due to the longer processing time and the high resistance, silicone type 17 is preferably used for molding larger models (garden figures, tiles) or for casting with more aggressive materials such as concrete.

Due to its property as a condensation-crosslinking silicone, any inhibition problems are significantly minimized.

Properties and application:

  • Mix the components 100:5 by weight
  • very good flowability, mixture is easy to pour
  • whitish (silicone) and transparent (crosslinker)
  • Crosslinking to a resistant, rubber-elastic vulcanizate without heat of reaction
  • temperature resistant up to 200 degrees Celsius
  • High chemical resistance to aggressive components of some types of plastic
  • Good tear resistance (abrasion and tearing)
  • High level of fidelity in very small details
  • High dimensional stability over a long period of time and non-deformable
  • Excellent anti-stick effect

More product information:

  • Colour: whitish (component A) and colorless (component B)
  • Mixture: 100:5 by weight
  • Specific gravity: 1.19
  • Viscosity 25000 cps
  • Processing time (pot life) at 23 degrees Celsius approx. 90 minutes
  • Curing time at 23 degrees Celsius approx. 1440 minutes
  • Hardness Shore A after 24 hours 10 +/- 2
  • Breaking load 2.5 N/mm
  • Elongation at break 350 ± 20%
  • Tear strength 18.0 +/- 2 N/mm
  • Dimensional change after 24 hours 0.1%

Concrete casting of a candlestick

That's how it works!

The last step is curing. Here the silicone has to harden completely in the time specified by the manufacturer, usually at 23°C. After final hardening, the frame and plasticine can be removed. With a soft silicone, the mold object can be easily removed from the mold. If you have chosen a medium-hard silicone, it may be necessary to cut it with a knife. The resulting gap can be closed later when pouring with the help of a rubber band. The hardened silicone mold can now be filled with various casting compounds. These differ again according to the type of silicone rubber selected. These are, for example, ceramics, plaster, concrete, tin, food, etc.

TFC Troll Factory Type 17

1. Selection of the silicone type

Pour starter set with silicone, essential materials.

2. Materials & Preparation

mix components

3. Mix silicone

Concrete casting of a candlestick

4.Processing & Curing


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