M4642 Silicone Rubber by Barnes. 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 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.
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
SIZE: 1.1kg, 5.5kg, 33kg. Select the required option on this product page.


