eFunda Polymers: Properties of Acetal {40% long glass fiber reinforced}

Generic (ABS, ...) Trade Name


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Acetal	List of Suppliers

Additives:

40% long glass fiber reinforced

Material Properties

Mechanical Properties		Conditions
Mechanical Properties		State 1	State 2	ASTM
Elastic Modulus (MPa)	11730	tensile		D638
Flexural Modulus (MPa)	9867	23 ºC		D790
Tensile Strength (MPa)	121	at break		D638
Compressive Strength (MPa) at yield or break	141			D695
Flexural Strength (MPa) at yield or break	187			D790
Elongation at break (%)	2			D638
Izod Impact (J/cm of notch) 1/8" thick specimen unless noted	3.7			D256A

Thermal Properties Conditions

Pressure State ASTM

Deflection Temperature (ºC) 160 1.82 MPa D648

Physical & Electrical Properties Conditions

State ASTM

Specific Gravity 1.72 D792

Processing Properties Conditions

Type ASTM

Melting Temperature (ºC) 190 T_m, crystalline

Processing Temperature (ºC) 194 - 222 general

Molding Pressure (MPa) 56 - 83

Compression Ratio 3 - 4

Linear Mold Shrinkage (cm/cm) 0.003 - 0.01 D955