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.