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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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OM 1148

Technical Datasheet | Supplied by Ortofon
OM 1148 by Ortofon is a silicone rubber grade. Offers good heat resistance, good cold resistance, good moisture resistance, good chemical resistance, electrical insulation and thermal conductivity. Also offers optimum wear resistance, good weather resistance, good ozone resistance, optimum resistance to hydrolysis (water & steam) and optimum resistance to acid & bases. OM 1148 by Ortofon is recommended for o-rings, sealings, insulators, automotive industry and medical applications.
Product Type
Silicone Rubber
Product Status

OM 1148 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
55 - 65 -
(Shore A)
ISO 7619-1
Tensile Elongation
490 - 660 %
(at Break)
ISO 37
Compression Set
4 %
(small, 24 hrs, 70°C)
ISO 815
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