Mitsubishi Chemical Advanced Materials Ertacetal® H POM-H, extruded (ISO Data)

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Mitsubishi Chemical Advanced Materials Ertacetal® H POM-H, extruded (ISO Data)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Homopolymer, Unreinforced
Material Notes:	Ertacetal H is ' homopolymer acetal grade. It offers a higher mechanical strength, stiffness, hardness and creep resistance as well as a lower thermal expansion rate and often also a better wear resistance than the acetal copolymer. 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 Quadrant Engineering Plastic Products is now Mitsubishi Chemical Advanced Materials.
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Physical Properties	Original Value	Comments

Density	1.43 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.20 %	50% RH
Water Absorption at Saturation	0.80 %
Outgassing - Total Mass Loss	0.47 %

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	88	ISO 2039-2
Hardness, Shore D	81
Ball Indentation Hardness	160 MPa	ISO 2039-1
Tensile Strength, Yield	78.0 MPa	ISO 527-1/-2
Elongation at Break	50 %	ISO 527-1/-2
Elongation at Yield	40 %	ISO 527-1/-2
Tensile Modulus	3300 MPa	ISO 527-1/-2
Flexural Strength	106 MPa
Flexural Modulus	3450 MPa
Compressive Strength	29.0 MPa @Strain 1 %	ISO 604
	49.0 MPa @Strain 2 %	ISO 604
	85.0 MPa @Strain 5.0 %	ISO 604
Charpy Impact Unnotched	NB	ISO 179-1/1eU
Charpy Impact, Notched	10.0 kJ/m²	ISO 179-1/1eA
Coefficient of Friction, Dynamic	0.30 - 0.45
Limiting Pressure Velocity	0.100 MPa-m/sec	at 1 m/s unlubricated
	0.160 MPa-m/sec	at 0.1 m/s unlubricated

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.0e+14 ohm-cm	IEC 60093
Surface Resistivity per Square	>= 1.0e+13 ohm	IEC 60093
Dielectric Constant	3.8 @Frequency >=100000 Hz	IEC 60250
Dielectric Strength	20.0 kV/mm
Dissipation Factor	0.0030 @Frequency 100000 Hz	IEC 60250
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	110 µm/m-°C @Temperature 23.0 - 100 °C
Thermal Conductivity	0.310 W/m-K
Melting Point	180 °C	DSC, 10°C/min.; ISO 11357-1/-3
Maximum Service Temperature, Air	90.0 °C	Continuous; 20,000 h
	105 °C	Continuous; 5,000 h
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ISO 75-1/-2
Flammability, UL94	HB
Oxygen Index	15 %	ISO 4589-1/-2

Compliance Properties	Original Value	Comments
3A-Dairy	No
European Food 1935/2004	No
FDA	No
USP Class VI	No

Chemical Resistance Properties	Original Value	Comments
Acids, Strong (pH 1-3)	Unacceptable
Acids, Weak	Limited
Alcohols	Acceptable
Alkalies, Strong (pH 11-14)	Unacceptable
Alkalies, Weak	Limited
Chlorinated Solvents	Limited
Continuous Sunlight	Limited
Hot Water / Steam	Limited
Hydrocarbons - Aliphatic	Acceptable
Hydrocarbons - Aromatic	Acceptable
Inorganic Salt Solutions	Acceptable
Ketones, Esters	Acceptable

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P1SMU832 / 130656

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