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Quadrant EPP Ertacetal® H-TF POM-H, PTFE-filled, extruded (ISO Data)

Category Polymer , Thermoplastic , Acetal (POM) , Acetal Homopolymer, PTFE-Filled
Manufacturer Quadrant Engineering Plastics Products
Trade Name Ertacetal®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Quadrant EPP Ertacetal® H-TF POM-H, PTFE-filled, extruded (ISO Data).pdf
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Material Notes:
Ertacetal H-TF is a DELRIN® AF Blend, a combination of TEFLON® fibres evenly dispersed in a DELRIN acetal resin. Much of the strength that is inherent in Ertacetal H is retained. Some properties change due to the addition of TEFLON fibre which is softer, less stiff and slipperier than virgin acetal resin. Compared with Ertacetal C and H, this material offers superior sliding properties. Bearings made of Ertacetal H-TF show low friction, long wear and are essentially free of stick-slip behaviour. 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
Physical Properties Metric English Comments
Density 1.50 g/cc
0.0542 lb/in³
ISO 1183-1
Moisture Absorption at Equilibrium 0.17 %
0.17 %
50% RH
Water Absorption at Saturation 0.72 %
0.72 %
Mechanical Properties Metric English Comments
Hardness, Rockwell M 84
84
ISO 2039-2
Hardness, Shore D 79
79
Ball Indentation Hardness 140 MPa
20300 psi
ISO 2039-1
Tensile Strength 55.0 MPa
7980 psi
at Yield; ISO 527-1/-2
Elongation at Break 10 %
10 %
ISO 527-1/-2
Tensile Modulus 3.10 GPa
450 ksi
ISO 527-1/-2
Compressive Strength 26.0 MPa

@Strain 1 %
3770 psi

@Strain 1 %
ISO 604
44.0 MPa

@Strain 2 %
6380 psi

@Strain 2 %
ISO 604
77.0 MPa

@Strain 5 %
11200 psi

@Strain 5 %
ISO 604
K Factor (ISO) 8.0 µm/km
8.0 µm/km
Charpy Impact Unnotched 3.00 J/cm²
14.3 ft-lb/in²
ISO 179-1/1eU
Charpy Impact, Notched 0.300 J/cm²
1.43 ft-lb/in²
ISO 179-1/1eA
Coefficient of Friction, Dynamic 0.20 - 0.30
0.20 - 0.30
Limiting Pressure Velocity 0.160 MPa-m/sec
4570 psi-ft/min
at 1 m/s unlubricated
0.260 MPa-m/sec
7420 psi-ft/min
at 0.1 m/s unlubricated
Thermal Properties Metric English Comments
CTE, linear 120 µm/m-°C

@Temperature 23.0 - 100 °C
66.7 µin/in-°F

@Temperature 73.4 - 212 °F
Thermal Conductivity 0.310 W/m-K
2.15 BTU-in/hr-ft²-°F
Melting Point 180 °C
356 °F
DSC, 10°C/min.; ISO 11357-1/-3
Maximum Service Temperature, Air 90.0 °C
194 °F
Continuous; 20,000 h
105 °C
221 °F
Continuous; 5,000 h
Deflection Temperature at 1.8 MPa (264 psi) 100 °C
212 °F
ISO 75-1/-2
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Volume Resistivity >= 1.0e+14 ohm-cm
>= 1.0e+14 ohm-cm
IEC 60093
Surface Resistivity per Square >= 1.0e+13 ohm
>= 1.0e+13 ohm
IEC 60093
Dielectric Constant 3.6

@Frequency >=100000 Hz
3.6

@Frequency >=100000 Hz
IEC 60250
Dielectric Strength 20.0 kV/mm
508 kV/in
Dissipation Factor 0.0030

@Frequency 100000 Hz
0.0030

@Frequency 100000 Hz
IEC 60250
Comparative Tracking Index 600 V
600 V
IEC 60112
Compliance Properties Metric English Comments
3A-Dairy No
No
European Food 1935/2004 No
No
FDA No
No
USP Class VI No
No
Chemical Resistance Properties Metric English Comments
Acids, Strong (pH 1-3) Unacceptable
Unacceptable
Acids, Weak Limited
Limited
Alcohols Acceptable
Acceptable
Alkalies, Strong (pH 11-14) Unacceptable
Unacceptable
Alkalies, Weak Limited
Limited
Chlorinated Solvents Limited
Limited
Continuous Sunlight Limited
Limited
Hot Water / Steam Limited
Limited
Hydrocarbons - Aliphatic Acceptable
Acceptable
Hydrocarbons - Aromatic Acceptable
Acceptable
Inorganic Salt Solutions Acceptable
Acceptable
Ketones, Esters Acceptable
Acceptable
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