eFunda Polymers: Properties of Polyester (thermoplastic) {P / PC blend, flame-retardant}

Generic (ABS, ...) Trade Name


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Calculators

Polyester (thermoplastic)	List of Suppliers

Additives:	P / PC blend
Application:	flame-retardant

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Flexural Modulus (MPa)	26220	23 ºC		D790
Tensile Strength (MPa)	62	at break		D638
Tensile Strength (MPa)	52	at yield		D638
Flexural Strength (MPa) at yield or break	98			D790
Elongation at break (%)	130			D638
Hardness	122	Rockwell R		D638
Izod Impact (J/cm of notch) 1/8" thick specimen unless noted	6.9			D256A

Thermal Properties Conditions

Pressure State ASTM

Coef of Thermal Expansion (10^-6/ºC) 1 D696

Deflection Temperature (ºC) 115 0.46 MPa D648

100 1.82 MPa D648

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.3 D792

Water Absorption (% weight increase) 0.22 saturated D570

0.07 after 24 hrs D570

Dielectric Strength (V/mil);
1/8" thick specimen unless noted 660 D149

Processing Properties Conditions

Type ASTM

Processing Temperature (ºC) 249 - 288 injection molding

Molding Pressure (MPa) 69 - 138

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