M4642A/B Silicone Rubber Expand

M4642 Silicone Rubber

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$84.70

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M4642 is perfectly suitable for all moulds with undercuts that are to be reproduced in casting resins, & a certain inherent rigidity of the mould is required.

M4642 is a food grade silicone rubber.

Recommended for: Food Grade, Concrete, Plaster, Epoxy, Polyurethane, Polyester
Potlife & Demould: Work time - 90 mins / Demould time - 12 hrs
Hardness & Type: Shore A37 +/-2 Silicone Elastomer, 15000cps



Pourable, addition-curing, two component silicone rubber that cures at room temperature.

  • Very Good Flow
  • Medium Shore A Hardness (approx 37)
  • Fast non-shrink cure which can be accelerated considerably by the application of heat
  • Excellent long-term stability of the mechanical properties of the cured rubber.
  • High tear strength
  • Outstanding resistance to casting resins.
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