eFunda Polymers: Properties of Silicone {copolymer, silicone / nylon 66, psuedo-interpenetrating networks}

Generic (ABS, ...) Trade Name


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Calculators

Silicone	List of Suppliers

State:	copolymer
Additives:	silicone / nylon 66
Application:	psuedo-interpenetrating networks

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Flexural Modulus (MPa)	2484 - 2829	23 ºC		D790
Tensile Strength (MPa)	70 - 87	at break		D638
Flexural Strength (MPa) at yield or break	97 - 110			D790
Elongation at break (%)	5 - 20			D638
Izod Impact (J/cm of notch) 1/8" thick specimen unless noted	0.4 - 0.5			D256A

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.12 - 1.13 D792

Water Absorption (% weight increase) 0.6 - 0.8 after 24 hrs D570

Processing Properties Conditions

Type ASTM

Melting Temperature (ºC) interpenetrating network T_m, crystalline

Processing Temperature (ºC) 238 - 274 injection molding

Molding Pressure (MPa) 56 - 104

Linear Mold Shrinkage (cm/cm) 0.004 - 0.007 D955