ELASTOSIL® M 4443 US

ELASTOSIL® Room Temperature Curing Silicone Rubber (RTV-2)

Pourable, condensation-curing, two-component silicone rubber that vulcanizes at room temperature.

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Properties

  • Low Shore A hardness (approx. 25)
  • Very good flowability and self-deaeration
  • Excellent tear strength
  • High elongation and flexibility
  • Outstanding chemical resistance to attack by polyurethane resins. Mold life is significantly extended.
Data sheets

ELASTOSIL® M 4443 US is a general purpose moldmaking compound, which is particularly suitable for the reproduction of models with extensive undercuts.

For molds that will process various products including epoxy, plaster, synthetic stone or wax, use Catalyst T 121 Blue US at 10% by wt for a long pot life.

 

For quick demold times, catalyze with T 127 Red US at
10% by wt.

 

The pot life is the period of time at 72 °C / 50 % rel. humidity during which the catalyzed mix takes to reach a viscosity of 60,000 cPs and still be easily pourable.

Storage

The "Best use before end date" of each batch is shown on the Certificate of Analysis. Storage beyond the date specified on the Certificate of Analysis does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemicals Ltd.

2 Arlington Square, Downshire Way

Bracknell RG12 1WA

United Kingdom

+44  1344  401 670


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