eFunda Polymers: Properties of Silicone {Liquid silicone rubber injection molding}

Generic (ABS, ...) Trade Name


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Calculators

Silicone	List of Suppliers

Application:

Liquid silicone rubber injection molding

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Tensile Strength (MPa)	6 - 10	at break		D638
Elongation at break (%)	300 - 1000			D638
Hardness	20 - 70	Shore A		D638

Thermal Properties Conditions

Pressure State ASTM

Coef of Thermal Expansion (10^-6/ºC) 10 - 20 D696

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.08 - 1.14 D792

Processing Properties Conditions

Type ASTM

Melting Temperature (ºC) thermoset T_m, crystalline

Processing Temperature (ºC) 183 - 216 injection molding

Molding Pressure (MPa) 7 - 14

Linear Mold Shrinkage (cm/cm) 0 - 0.005 D955