POM · POM
POM 770/1 SI2
heat stabilised, improved sliding / wear. Applications: gear wheels, Bearings.
gear wheelsBearings
Specifications
Mechanical Properties
| Flexural Modulus | 2200 MPa |
| Tensile Modulus | 2300 MPa |
| Tensile Elongation at Break | 50 % |
| Charpy Impact Strength (23°C) | 165 kJ/m² |
| Notched Charpy Impact (23°C) | 7 kJ/m² |
Physical Properties
| flexural_stress_3.5%_strain | 57 MPa |
| tensile_strength_at_break | 48 MPa |
| dsc_melt_point | 169 °C |
| shrinkage_lengthwise,_24h | 2.2 - 2.6 % |
| shrinkage_lateral,_24h | 2 - 2.4 % |
| Density | 1390 kg/m³ |
Thermal Properties
| Vicat B | 50 145 °C |
| HDT/A (1.8 MPa) | 92 °C |
| Melt Volume Rate | 8 cm³/10min |
Request Free Sample
First-time customers can receive 500g free sample of POM 770/1 SI2. Freight collect.
Request a quote
We will reply within 24 hours.
The Experience Behind Every Shipment
Our team brings over 30 years of combined experience in the chemical and plastics industries, with seasoned technical specialists providing full-cycle online support — from material selection and application troubleshooting to processing guidance. Having served 1,000+ clients worldwide and worked inside Western enterprises, we understand your standards, your culture, and your expectations. Fluent in English, grounded in Chinese market expertise, and committed to stable quality, professional technical service, and responsive after-sales support.
30+
30+ Years Industry Experience
1000+
1,000+ Clients Served
Tech
Technical Support
EN/CN
Fluent English & Local Expertise