Mar-Pol POM GP

Identification & Functionality

Polymer Name

Polyacetal Copolymer (POM)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyacetals

Processing Method

Injection Molding

Features & Benefits

Materials Features

General Purpose

Applications & Uses

Plastics & Elastomers End Uses

General Purpose

Plastics & Elastomers Processing Methods

Injection Molding

Applications

• General Purpose

Properties

Physical Properties

	Value	Units	Test Method / Conditions
Density	1.41	g/cm³	ISO 1183
Melt Volume-Flow Rate	8	cm³/10min	ISO 1133
Melt Volume-Flow Rate	8	cm3/10min	ISO 1183
Water Absorption (Saturation at 23°C)	0.75	%	ISO 62
Water Absorption (Equilibrium at 23°C 50% RH)	0.2	%	ISO 62
Molding Shrinkage (Across Flow : at 23°C)	1.9	%	—
Molding Shrinkage (Flow : at 23°C)	2	%	—
Density/Specific Gravity	1.41	g/cm3	ISO 1183
Tensile Modulus (at 23°C)	2760	MPa	ISO 527-1/1A
Molding Shrinkage (Across Flow: 23°C)	1.9	%	ISO 294-4
Molding Shrinkage (Flow: 23°C)	2	%	ISO 294-4
Water Absorption (Equilibrium, 23°C)	0.2	%	ISO 62
Water Absorption (Saturation, 23°C)	0.75	%	ISO 62

Mechanical Properties

	Value	Units	Test Method / Conditions
Tensile Stress (Yield at 23°C)	65	MPa	ISO 527-2/1A/50
Tensile Strain (Break at 23°C)	10	%	ISO 527-2/1A/50
Charpy Notched Impact Strength (at 23°C)	6	kJ/m	ISO 179/1eA
Tensile Modulus (23°C)	2760	MPa	ISO 527-2/
Charpy Unnotched Impact Strength (at 23°C)	190	kJ/m	ISO 179/1eU
Tensile Strain (Break, 23°C)	10	%	ISO 527-2/1A/50
Tensile Stress (Yield, 23°C)	65	MPa	ISO 527-2/1A/50

Thermal Properties

	Value	Units	Test Method / Conditions
Deflection Temperature (0.45 MPa, Unannealed, 3.20 mm)	158	°C	ISO 75-2/B
Deflection Temperature (1.8 MPa, Unannealed, 3.20 mm)	101	°C	ISO 75-2/A
Vicat Softening Temperature	161	°C	ISO 306/B50
Melting Temperature	166	°C	ISO 11357-3
CLTE - Flow	0.00012	cm/cm/°C	ISO 11359-2
CLTE - Transverse	0.00012	cm/cm/°C	ISO 11359-2
CLTE (Flow)	0.00012	cm/cm/°C	ISO 11359-2
CLTE (Transverse)	0.00012	cm/cm/°C	ISO 11359-2
Heat Deflection Temperature (0.45 MPa, Unannealed)	158	°C	ISO 75-2/B
Heat Deflection Temperature (1.8 MPa, Unannealed)	101	°C	ISO 75-2/A

Impact Properties

	Value	Units	Test Method / Conditions
Notched Izod Impact (23°C)	6	kJ/m2	ISO 179/1eA
Unnotched Impact Strength (23°C)	190	kJ/m2	ISO 179/1eU

Packaging & Availability

Country Availability

Brazil,

Canada,

China (Mainland),

Mexico,

USA

Regional Availability

• Global

Availability

Global