eFunda Polymers: Properties of Polyester (thermoset) {glass fiber reinforced, high}

Generic (ABS, ...) Trade Name


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Calculators

Polyester (thermoset)	List of Suppliers

Additives:	glass fiber reinforced
Application:	high

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Elastic Modulus (MPa)	24150	tensile		D638
Elastic Modulus (MPa)	18630	compressive		D638
Flexural Modulus (MPa)	20700	23 ºC		D790
Tensile Strength (MPa)	345	at break		D638
Compressive Strength (MPa) at yield or break	290			D695
Flexural Strength (MPa) at yield or break	621			D790
Elongation at break (%)	1 - 2			D638
Hardness	60	Shore		D638
Izod Impact (J/cm of notch) 1/8" thick specimen unless noted	18.6			D256A

Thermal Properties Conditions

Pressure State ASTM

Coef of Thermal Expansion (10^-6/ºC) 16 D696

Deflection Temperature (ºC) 260 1.82 MPa lower limit D648

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.9 D792

Water Absorption (% weight increase) 0.08 after 24 hrs D570

Dielectric Strength (V/mil);
1/8" thick specimen unless noted 310 D149

Processing Properties Conditions

Type ASTM

Molding Pressure (MPa) 2 - 14

Compression Ratio 1

Linear Mold Shrinkage (cm/cm) 0.001 D955