Ertacetal® C POM-C

Ertacetal® C POM-C / Acetron® GP Polyoxymethylene POM-C is a general purpose, copolymer acetal grade that is known for its porosity-free nature and low moisture absorption. These POM-C shapes also offer excellent machinability capabilities, making it a very versatile material that can excel in a multitude of environments.Features:Porosity-free materialLow moisture absorptionExcellent machinabilityBenefits:Suitable for use in food contact and medical applicationsMeets FDA, NSF, Canada AG, and SSI Standard compliance requirementsCan be used in a variety of environmentsApplications:Food processing and packaging equipmentMedical and diagnostic equipmentBearings and bushingsGears and electrical componentsValves and fluid handling components

Properties

Physical Form: Plates, Rods
Plates
Rods

Product families

Healthcare & Pharma — Medical

Medical Devices & Assemblies

Printing & Packaging — Packaging

Food & Beverage Packaging

Other characteristics

Brand: Ertacetal® POM-C, POM-H
Density: 1,410.0 kg/m³
Features: Creep Resistant, Dimensional Stability, Electrically Insulating, Excellent Dielectric Properties, Excellent Mechanical Strength, Excellent Stiffness, Exceptional Resilience, Food Contact Acceptable, General Purpose, Good Cost-Performance Ratio, Good Machinability, Good Sliding Properties, High Hardness, Low Moisture Absorption, Low Water Absorption, Non-porous, Wear Resistant
Polymer Name: Polyacetal Copolymer (POM)
Tensile Modulus: 3,000.0 MPa
Markets: Healthcare & Pharma
Printing & Packaging
Technology: Plastics
Labeling Claims: Food Contact Acceptable
Product Families: Plastics — Parts, Shapes & Films
Overview: High mechanical strength, stiffness and hardness; Excellent resilience; Good creep resistance; High impact strength, even at low temperatures; Very good dimensional stability (low water absorption); Good sliding properties and wear resistance; Excellent machinability; Good electrical insulating and dielectric properties; Physiologically inert (most grades are suitable for food contact); Not self-extinguishing
Material Features: Creep Resistant
Dimensional Stability
Electrically Insulating
Excellent Dielectric Properties
Excellent Mechanical Strength
Excellent Stiffness
Exceptional Resilience
Food Contact Acceptable
HIGHLIGHTS: Ertacetal® C POM-C is Mitsubishi Chemical Advanced Materials's copolymer acetal grade. Next to the standard natural grade, there is also a series of special colors available all showing a FDA food contact compliant composition. The acetal copolymer is more resistant to hydrolysis, strong alkalis and thermal-oxidative degradation than the acetal homopolymer. Ertacetal® C natural, blue 50 and black 90 are available in various shapes as food grade.
Certifications and Compliance: FDA Compliant
NSF Approved
USDA Certified
Plastics and Elastomers End Uses: Medical Devices
Medical/Healthcare Applications
Star Wheels

Technical data

Table 1 of 4

13 rows

Characteristic	Value	Unit	Method
Tensile Strength	66	MPa	ISO 527-1/-2 ⁷
Tensile Strain at Yield (Elongation)	15	%	ISO 527-1/-2 ⁷
Tensile Strain at Break (Elongation)	40	%	ISO 527-1/-2 ⁷
Tensile Modulus of Elasticity	3000	MPa	ISO 527-1/-2 ⁹
Shear Strength	55	MPa	ASTM D732
Compressive Stress (at 1% nominal strain)	23	MPa	ISO 604 ¹⁰
Compressive Stress (at 2% nominal strain)	40	MPa	ISO 604 ¹⁰
Compressive Stress (at 5% nominal strain)	72	MPa	ISO 604 ¹⁰
Charpy Impact Strength (Notched)	8	kJ/m²	ISO 179-1/1eA
Flexural Strength	91	MPa	ISO 178 ¹²
Flexural Modulus of Elasticity	2660	MPa	ISO 178 ¹²
Hardness ¹⁴	84	—	ISO 2039-2, Rockwell M

Table 2 of 4

7 rows

Characteristic	Value	Unit	Method
Melting Temperature (DSC, 10°C / min)	165	°C	ISO 11357-1/-3
Coefficient of Linear Thermal Expansion (23 to 100°C)	110	μm/(m.K)	—
Coefficient of Linear Thermal Expansion (23 to 60°C)	125	μm/(m.K)	—
Heat Deflection Temperature	100	°C	ISO 75-1/-2 (Method A: 1.8 MPa (264 PSI))
Continuous Allowable Service Temperature in Air (20.0 hrs) ³	100	°C	—
Minimum Service Temperature ⁴	-50	°C	—
Flammability (Oxygen Index)	15	%	ISO 4589-1/-2

Table 3 of 4

3 rows

Characteristic	Value	Unit	Method
Electric Strength	20	kV/mm	IEC 60243-1 ¹⁵
Volume Resistivity	10E13	Ohm.cm	IEC 62631-3-1
Surface Resistivity	10E12	Ohm/sq.	ANSI/ESD STM 11.11

Table 4 of 4