Tenac™-C 4520
Asahi Kasei Corporation - Acetal (POM) Copolymer Tuesday, December 3, 2019
General Information
General
Material Status • Commercial: Active
• Africa & Middle East • Europe
Availability
• Asia Pacific • North America
Features • Copolymer • Medium Viscosity
• Automotive Applications • Gears
Uses • Housings
• Engineering Parts • General Purpose
• BOSCH 5515265 025 • GM GMP.POM.005 Color:
Natural
Automotive Specifications
• BOSCH 5515265 905 Color: • GM GMW22P-POM-C2 • VOLKSWAGEN KTHB 909
Black
• BOSCH N28 BN22 -O006 • VOLKSWAGEN KTHB 041
Color: Black
ASTM & ISO Properties 1
Physical Nominal Value Unit Test Method
ASTM D792
Density / Specific Gravity 1.41 g/cm³
ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) 9.0 g/10 min ISO 1133
Molding Shrinkage - Flow 1.6 to 2.0 % Internal Method
Water Absorption (24 hr, 23°C, 50% RH) 0.20 % ASTM D570
Mechanical Nominal Value Unit Test Method
Tensile Modulus 2700 MPa ISO 527-2
Tensile Stress
Yield 63.0 MPa ISO 527-2
-- 63.0 MPa ASTM D638
ASTM D638
Tensile Elongation (Break) 35 %
ISO 527-2
Flexural Modulus
-- 2550 MPa ASTM D790
-- 2500 MPa ISO 178
Flexural Strength 90.0 MPa ASTM D790
Taber Abrasion Resistance 14.0 mg ASTM D1044
Impact Nominal Value Unit Test Method
Charpy Notched Impact Strength 7.0 kJ/m² ISO 179
Notched Izod Impact 77 J/m ASTM D256
Hardness Nominal Value Unit Test Method
Rockwell Hardness ASTM D785
M-Scale 80
R-Scale 115
Disclaimer:
- Data shown are typical values obtained by proper testing methods and shoud not be used for specification purpose.
Please use these data for selecting the most appropriate grade suitable for specific usage.
These data may be changed because of improvement in properties.
- Be sure to read the relevant SDS before handling and use, and always follow the Important Precautions.
- Do not use plastics in any of the following orally-or medically-related applications.
- Orally-related application : any part,device or component which may come into direct oral contact or into direct contact with drinking foods or beverages.
For drinking water application,please consult Asahi Ksei Chemicals Corporation.
- Medically-related applications : any part,or component which may be used intracorporeally or which may in dialysis or other processes come into direct or indirect contact with body tissue , body fluids ,
or transfusion fluids.
Tenac™-C 4520
Asahi Kasei Corporation - Acetal (POM) Copolymer
Thermal Nominal Value Unit Test Method
Deflection Temperature Under Load
0.45 MPa, Unannealed 158 °C ASTM D648
0.45 MPa, Unannealed 156 °C ISO 75-2/B
1.8 MPa, Unannealed 110 °C ASTM D648
1.8 MPa, Unannealed 100 °C ISO 75-2/A
ASTM D696
CLTE - Flow 1.0E-4 cm/cm/°C
ISO 11359-2
Specific Heat 1470 J/kg/°C
Thermal Conductivity 0.23 W/m/K
Electrical Nominal Value Unit Test Method
Surface Resistivity 1.0E+16 to 1.0E+17 ohms ASTM D257
Volume Resistivity (23°C) 1.0E+15 to 1.0E+16 ohms·cm ASTM D257
Dielectric Strength 19 kV/mm ASTM D149
Dielectric Constant (23°C, 1 MHz) 3.90 ASTM D150
Dissipation Factor (23°C, 1 MHz) 8.0E-3 ASTM D150
Arc Resistance 250 sec ASTM D495
Flammability Nominal Value Unit Test Method
Flame Rating UL 94
0.75 mm HB
1.5 mm HB
Notes
1
Typical properties: these are not to be construed as specifications.
Disclaimer:
- Data shown are typical values obtained by proper testing methods and shoud not be used for specification purpose.
Please use these data for selecting the most appropriate grade suitable for specific usage.
These data may be changed because of improvement in properties.
- Be sure to read the relevant SDS before handling and use, and always follow the Important Precautions.
- Do not use plastics in any of the following orally-or medically-related applications.
- Orally-related application : any part,device or component which may come into direct oral contact or into direct contact with drinking foods or beverages.
For drinking water application,please consult Asahi Ksei Chemicals Corporation.
- Medically-related applications : any part,or component which may be used intracorporeally or which may in dialysis or other processes come into direct or indirect contact with body tissue , body fluids ,
or transfusion fluids.
