Polyment silicone rubber type 12 white Shore 30 super resilient

Polyment GmbH

  • €39,90
    Unit price€79,80 per kg
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Polyment silicone rubber type 12 white Shore 30 super resilient


Polyment silicone rubber type 12 white Shore 30 super resilient


Addition-curing 2-component silicone rubber that vulcanizes at room temperature (RTV).

You get the silicone in high-quality plastic squeeze bottles with a dosing cap.
This makes removal very easy and clean.
Exact dosing is effortless, as you know it from comparable food packaging, for example
and represents a significant improvement over the usual tin cans or wide-mouth bottles.

Features and Application:
- easy processing
- Problem-free mixing of the components 1:1 by weight
- very good flowability, mixture is easy to pour
- Crosslinking to resistant, rubber-elastic vulcanizate without heat of reaction
- high tear resistance and very high flexibility
- Very high level of detail in the reproduction
- very long pot life and curing time for sufficient ventilation and processing times
- whitish-neutral color as a basis for optimal coloring
- very good temperature resistance
- very good non-stick effect

More product information:
Colour: white (component A) and white (component B)
Mixture: 1:1 by weight
Specific gravity: 1.1
Viscosity 5000 - 7000 cps
Mixing time at 23 degrees Celsius 1 minute
Processing time (pot life) at 23 degrees Celsius approx. 70-90 minutes
Curing time at 23 degrees Celsius approx. 6-8 hours
Shore A hardness after 24 hours 30 ± 2
Breaking load 5.5 ± 0.2 N/mm²
Elongation at break 500 ± 30%
Tear strength 18 ± 1 N/mm
Reproduction Detail: 5 microns
Dimensional change after 24 hours 0.05%
Result of the silicone mold and further processing of silicone molds.

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.

Choosing the right silicone rubber type.

1. Selection of the silicone type

Pour starter set with silicone, essential materials.

2. Materials & Preparation

Pouring silicone in the mold building frame with an object in it.

4. Pour silicone

Result of the silicone mold and further processing of silicone molds.

Curing & further processing


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