POM – Polyacetal
POM MDP
POM MDP was developed to assist in the detection of foreign substances in the food industry. The material contains metal particles, making it detectable with standard metal detectors. It has food-grade approval (from the FDA). We deliver POM MDP as plastic sheets and rods.
- Physical properties
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Value Unit Test method Specific gravity 1.49 g/cm3 DIN EN ISO 1183 Average molecular mass N/A Water absorption, 24/96 h (23 °C) 0.05/0.1 % DIN EN ISO 62 Weather-resistance poor Combustibility HB UL 94 DIN EN ISO 527-2 Food safety yes - Mechanical properties
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Value Unit Test method Modulus of elasticity 3200 MPa DIN EN ISO 527-2 Tensile strength 68 MPa DIN EN ISO 527-2 Elongation at break 8 % DIN EN ISO 527-2 Tensile strength at break 10 % DIN EN ISO 527-2 Flexural modulus 3100 MPa DIN EN ISO 178 Flexural strength 100 MPa DIN EN ISO 178 Compressive modulus 2400 MPa EN ISO 604 Compressive strength, 1%/2% 17/31 MPa EN ISO 604 Impact strength (Charpy) 59 kJ/m2 DIN EN ISO 179-1eU Notch impact strength (Charpy) 11 kJ/m2 DIN EN ISO 179-1eA Notch impact strength (Izod) – kJ/m2 DIN EN ISO 180/2A Toughness (ball pressure) 174 MPa ISO 2039-1 Toughness (Shore D) N/A Wear-resistance N/A Coefficient of friction (against steel) N/A - Thermal properties
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Value Unit Test method Glass-transition temperature -60 °C DIN 53765 Melting point 169 °C DIN 53765 Operating temperature (instantaneous) +140 °C Operating temperature (continuous) 100 °C Operating temperature (minimum) N/A Thermal expansion coefficient, 23–60 °C 13 10-5 K-1 DIN EN ISO 11359-1;2 Thermal expansion coefficient, 23–100 °C 14 10-5 K-1 DIN EN ISO 11359-1;2 Specific heat capacity 1.3 J/(g×K) ISO 22007-4:2008 Thermal conductivity 0.39 W/(m×K) ISO 22007-4:2008 - Electrical properties
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Value Unit Test method Surface resistivity 1013 Ω DIN IEC 60093 Resistivity N/A Dielectric strength N/A CTI value N/A - Optical properties
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Value Unit Test method Light transmittance N/A Refractive index N/A Optical errors N/A Abrasion-resistance, 100 rotations with 500 g N/A
Additional downloads
| Delivery selection | plastic sheets, plastic rods |
|---|---|
| Specific gravity | 1.49 g/cm3 |
| Service temperature | N/A … 100 °C |
| Price category | €€€ (€26–50/kg) |
Special properties
- detectability with metal detectors
- food-grade product
- properties similar to those of standard POM-C
- blue colour
Applications
components for food-industry equipment
Standard colours
grey
Premade pieces
Commonly known brands
Acetron® MD, CENTRODAL® MD, SUSTARIN® C MDT, TECAFORM® AH ID, ZELLAMID® 900 XMD