P
olyoxymethylene(pom)
raw material is suitable for extruding plastic sheet, rod and mould material, with good toughness, high impact, high strength, strong rigidity, rub resistance, good thermal stability and creep resistance, which can replace metal partly.
Feature:
1) Excellent mechanical strength;
2)High hardness strength;
3)High wear resistance;
4)Self-lubrication;
5)Higher modulus;
6)Chemical resistance and etc.
2. The technical parameters
Product | Polyoxymethylene | Type | ||
Standard | GB/T 22271.3-2016 | Batch No. | ||
Test Items | Unit | Standard value | Test results | Standards |
Melt mass-flow rate | g/10min | 7<·≤11 | 8.36 | GB/T 3682.1-2023 |
Melting temperature | ºC | ≥160 | 165 | GB/T 19466.3-2004 |
Density | g/cm3 | 1.38~1.43 | 1.406 | GB/T 1033.1-2008 |
Yield stress | MPa | ≥58 | 65 |
GB/T 1040.1-2023
GB/T 1040.2-2006 |
Strain at break | % | ≥20 | 43 | |
Tensile modulus | MPa | ≥2400 | 2455 | |
Charpy notched impact strength | KJ/m2 | ≥4.5 | 6 | GB/T 1043.1-2008 |
Product | POM 4513 | ||
Color | White | ||
Shape | Pellets | ||
Process | Injection molding | ||
Polymer | Copolymer | ||
Features | Weather resistance, Anti-uv | ||
Application | Auto parts | ||
Parameters Information | |||
Physical property | Standard | Value | Unit |
Shrinkage Flow | ASTM D995 | 1.6-2.0 | % |
Water Absorption 23 ºC 24hr | ASTM D570 | 0.2 | % |
Melt Index 190 ºC 2.16kg | ASTM D1238 | 9 | g/10min |
Mechanical behavior | Standard | Value | Unit |
Tensile Strength | ASTM D638 | 61 | MPa |
Elongation 23 ºC | ASTM D638 | 60 | % |
Flexural Strength 23 ºC | ASTM D790 | 88 | MPa |
Flexural Modulus 23 ºC | ASTM D790 | 2600 | MPa |
Wear Resistance | ASTM D1044 | 14 | mg/100 cycles |
IZOD Notch Impact | ASTM D256 | 59 | J/m |
Thermal performance | Standard | Value | Unit |
Thermal deformation temperature 1.8MPa | ASTM D648 | 110 | ºC |
Linear coefficient of expansion | TMA | 10 | |
Thermal deformation temperature 0.45MPa | ASTM D648 | 158 | ºC |
Hardness | Standard | Value | Unit |
Rockwell Hardness M(Scale) | ASTM D785 | 80 | |
Rockwell Hardness R(Scale) | ASTM D785 | 115 | |
Flame Rating | Standard | Value | Unit |
UL | UL94 | HB |