High temperature resistant silicone rubber 1 kg
Silicone High temp Red A+B 1 KG
SIR12010106
In stock
Is a 2-component polycondensation curing, elastic, self-demoulding rubber material based on silicone that reacts after the addition of hardener. This rubber has an increased temperature resistance (250°C and briefly up to 300°C).
Available in 1 kg packs.
Available in 1 kg packs.
€47.02 / set
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Applications
For the manufacture of negative moulds with a simple design with light incisions. Is liquid and can be poured easily. You can pour in liquid tin or lead. After curing, can be used at -55 to +300°C.
Usage
- The rubber base must be thoroughly mixed before use.
- Mix 2.5% by weight of the B-component under the A-component.
- Potlife: Approx. 80 min. at 20°C.
- Brush out a first layer.
- This ensures a finer reproduction of all details.
- Then pour the remaining layer on top.
- Cured after 8 hours.
- Minimum wall thickness 10 mm.
- If you are unsure of the substrate, it is best to make a test piece first or use Trennspray release agent.
- During the wet-moulding process, 25°C should be applied per hour, depending on the thickness of the layer.
- A baking temperature during 2 to 4 hours of 50°C above the desired application temperature is recommended.
Safety
Always provide appropriate protective clothing and gloves. Harder is irritating to the eyes and skin, and flammable. Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone).