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KE-552B-U

Technical Datasheet | Supplied by Shin-Etsu
KE-552B-U is a hermetic heat resistant silicone rubber by Shin-Etsu, containing 1.0 of C-23N curing agent added to 100 parts of compound. It is highly transparent, non-corrosive, inert and can be easily colored with pigments. Shows releasability, good chemical stability, electrical insulation and good weatherability. Offers thermal- & electrical conductivity, tear- & tensile strength, gas & vapor permeability, low loss modulus and vibration absorption. Provides superior cold-, flex fatigue-, radiation-, compression-, oil-, solvent-, moisture-, steam- and chemical resistance. KE-552B-U is suitable for processing by compression moldng. Used in defroster wire of refrigerators, lead wires of motors & electric appliances, heater wires of rice cookers, ignition wires and automotive turbocharger- & intercooler hoses.
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Product Type
Silicone Rubber
Appearance
Yellow
Product Status
COMMERCIAL

KE-552B-U Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Williams Plasticity
280
(10 min after remix, Press cure - 120°C x 10min, Post cure - 150°C x 1hr)
Linear Mold Shrinkage
2.4 %
(Press cure - 120°C x 10min, Post cure - 150°C x 1hr)
Density
1.17 g/cm³
(23°C, Press cure - 120°C x 10min, Post cure - 150°C x 1hr)

KE-552B-U Processing Guidelines

Compression Molding Properties

Value & Unit
Test Condition
Test Method
Compression Molding Temperature
120 - 125 °C
Molding Time (5-10 mm thickness)
15 - 30 min
Molding Time (10-25 mm thickness)
30 - 60 min
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