Acetal POM C Food Grade Natur

Identification & Functionality

Polymer Name

Polyacetal Copolymer (POM)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyacetals

Features & Benefits

Materials Features

Chemical Resistant,

Creep Resistant,

Excellent Moisture Resistance,

Excellent Toughness,

Friction Resistant,

Good Stiffness,

Good Stress Strain Performance,

Good Thermal Stability,

High Fatigue Resistance,

High Thermo-Oxidative Stability,

Low Gas Permeability,

Wear Resistant,

Wide Temperature Operating Range

Applications & Uses

Markets

Printing & Packaging

Applications

Printing & Packaging — Packaging

Food & Beverage Packaging

Plastics & Elastomers End Uses

Food Packaging

Properties

Color

Opaque,

White

Typical Properties

	Value	Units	Test Method / Conditions
Density	1.41	g/cm3	ISO 1183-1
Water Absorption (immersed in water 24/96h at +23°C)	20, 37	mg	ISO 62
Water Absorption (immersed in water 24/96h at +23°C)	0.24, 0.45	%	-
Water Absorption (when saturated in air +23°C / 50%RH)	0.2	%	ISO 62
Water Absorption (when saturated in water +23°C)	0.8	-	ISO 62
Melting temperature (DSC, +10°C/min)	165.0	°C	ISO 11357-1/-3
Thermal conductivity (23°C)	0.31	W / (Km)	-
Length Extension Coefficient (23°C - 100°C)	0.000125	m / (mK)	-
Temperature Dependent Deflection (1.8MPa)	100.0	°C	ISO 75-1/-2
Max. Operating Temperature in Air (Short Time)	140.0	°C	-
Max. Operating Temperature in Air (min 5000/20000h)	115/100	°C	-
Minimum Service Temperature	-50.0	°C	-
Flammability (Oxygen Index)	15.0	%	ISO 4589-1 /-2
Flammability (UL 94, 3/6 mm thickness)	HB/HB	-	-
Breaking Strength	66.0	MPa	ISO 527-1/2
Tensile Strength	66.0	MPa	ISO 527-1/2
Tensile Stress (Yield Strength)	20.0	MPa	ISO 527-1/2
Tensile Stress (Elongation at Break)	50.0	%	ISO 527-1/2
Tensile Stress (Traction Module)	2800.0	MPa	ISO 527-1/2
Compression (compression at 1/2/5% deformation)	23, 40, 72	MPa	ISO 604
Charpy Impact Test Uncut	No Crime	kJ/m2	ISO 179-1 / 1eU
Charpy Impact Test Scored	8.0	kJ/m2	ISO 179-1 / 1eU
Cultivation Hardening	140.0	N/mm2	ISO 2039-1
Rockwell Hardness	M84	-	ISO 2039-2
Electrical Impact Resistance	20.0	kV / mm	IEC 60243-1
Volume Resistivity	min. 10E 14	Ohm.cm	IEC 60093
Surface Resistivity	min. 10E13	Ohm	IEC 60093
Relative Permittivity (100Hz)	3.8	-	IEC 60250
Relative Permittivity (1MHz)	3.8	-	IEC 60250
Electrical Loss Factor Tan δ (100 MHz)	0.003	-	IEC 60250
Electrical Loss Factor Tan δ (1 MHz)	0.008	-	IEC 60250
Creep Current Index (CTI)	600.0	-	IEC 60112