eFunda Polymers: Properties of Silicone {copolymer, silicone / nylon 12, psuedo-interpenetrating networks}

Generic (ABS, ...) Trade Name


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Calculators

Silicone	List of Suppliers

State:	copolymer
Additives:	silicone / nylon 12
Application:	psuedo-interpenetrating networks

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Flexural Modulus (MPa)	1380 - 1491	23 ºC		D790
Tensile Strength (MPa)	36 - 52	at break		D638
Flexural Strength (MPa) at yield or break	56 - 58			D790
Elongation at break (%)	10			D638
Izod Impact (J/cm of notch) 1/8" thick specimen unless noted	0.3 - 0.4			D256A

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.01 - 1.02 D792

Water Absorption (% weight increase) 0.12 - 0.15 after 24 hrs D570

Processing Properties Conditions

Type ASTM

Melting Temperature (ºC) interpenetrating network T_m, crystalline

Processing Temperature (ºC) 183 - 210 injection molding

Molding Pressure (MPa) 49 - 83

Linear Mold Shrinkage (cm/cm) 0.005 - 0.007 D955