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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Wacker
ELASTOSIL® R 771 by Wacker is a flame retardant, peroxide-initiated, high-temperature-vulcanizing (HCR), solid silicone rubber. It is halogen-free and generate no toxic soot when there is a fire. It can be processed by extrusion or calendering. It is used in the production of elastic molded parts, profiles, panels, films and fabric-reinforced silicone sheets. Suitable for applications in rail industry and public buildings that are highly exposed to fire such as fire curtains, insulation and seals for windows and doors. Rolling-stock components made from ELASTOSIL® R 771 complies with the R1 requirement set of the European fire-safety standard EN 45545-2.
Product Type
Silicone Rubber
Physical Form
Product Launch Date
Oct 16, 2019

ELASTOSIL® R 771 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore A
60 - 70
( )
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