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KE-5151-U

Technical Datasheet | Supplied by Shin-Etsu
KE-5151-U is a high fatigue durable silicone rubber by Shin-Etsu, containing 1.0 of C-8B 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 heat-, cold-, flex fatigue-, radiation-, compression-, oil-, solvent-, moisture-, steam- and chemical resistance. KE-5151-U is suitable for processing by compression moldng. Used in automotive keypads.
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Product Type
Silicone Rubber
Appearance
Milky white translucent
Product Status
COMMERCIAL

KE-5151-U Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tear Strength
15 kN/m
(Crescent piece, Press cure - 165°C x 10min, Post cure - 200°C x 4hrs) 
Tensile Strength
7.7 MPa
(Press cure - 165°C x 10min, Post cure - 200°C x 4hrs) 
Hardness, Shore A
54
(Press cure - 165°C x 10min, Post cure - 200°C x 4hrs) 

KE-5151-U Processing Guidelines

Compression Molding Properties

Value & Unit
Test Condition
Test Method
Compression Molding Temperature
165 - 170 °C
Molding Time (5-10 mm thickness)
15 - 30 min
Molding Time (10-25 mm thickness)
30 - 60 min
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