| Customization: | Available |
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| Color: | Natural / Customized |
| Usage: | Engineering Plastics |
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olyoxymethylene (POM), also known as polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. As with many other synthetic polymers, it is produced by different chemical firms with slightly different formulas and sold variously by such names as Delrin, Kocetal, Ultraform, Celcon, Ramtal, Duracon, Kepital, Polypenco, Tenac and Hostaform.
| General information | Value | Unit | Test Standard |
| Resin Identification | POM | - | ISO 1043 |
| Part Marking Code | POM | - | ISO 11469 |
| Rheological properties | Value | Unit | Test Standard |
| Melt volume-flow rate | 2.1 | cm³/10min | ISO 1133 |
| Temperature | 190 | °C | ISO 1133 |
| Load | 2.16 | kg | ISO 1133 |
| Melt mass-flow rate | 2.5 | g/10min | ISO 1133 |
| Melt mass-flow rate, Temperature | 190 | °C | ISO 1133 |
| Melt mass-flow rate, Load | 2.16 | kg | ISO 1133 |
| Molding shrinkage, parallel | 2.2 | % | ISO 294-4, 2577 |
| Molding shrinkage, normal | 1.9 | % | ISO 294-4, 2577 |
| Mechanical properties | Value | Unit | Test Standard |
| Tensile Modulus | 2850 | MPa | ISO 527-1/-2 |
| Yield stress | 70 | MPa | ISO 527-1/-2 |
| Yield strain | 25 | % | ISO 527-1/-2 |
| Nominal strain at break | 45 | % | ISO 527-1/-2 |
| Flexural Modulus | 2850 | MPa | ISO 178 |
| Flexural Stress at 3.5% | 77 | MPa | ISO 178 |
| Tensile creep modulus 1h |
2700 |
MPa |
ISO 899-1 |
| 1000h | 1500 | MPa | |
| Charpy impact strength 73°F |
N |
kJ/m² |
ISO 179/1eU |
| -22°F | 400 | kJ/m² | |
| Charpy notched impact strength 73°F |
15 |
kJ/m² |
ISO 179/1eA |
| -22°F | 14 | kJ/m² | |
| Izod notched impact strength 73°F |
14 |
kJ/m² |
ISO 180/1A |
| -40°F | 12 | kJ/m² | |
| Ball indentation hardness, H 358/30 | 173 | MPa | ISO 2039-1 |
| Hardness, Rockwell, M-scale | 88 | - | ISO 2039-2 |
| Hardness, Rockwell, R-scale | 119 | - | ISO 2039-2 |
| Thermal properties | Value | Unit | Test Standard |
| Melting temperature, 18°F/min | 178 | °C | ISO 11357-1/-3 |
| Temp. of deflection under load 260 psi |
95 |
°C |
ISO 75-1/-2 |
| 65 psi | 155 | °C | |
| 260 psi, annealed | 110 | °C | |
| Vicat softening temperature 90°F/h, 11 lbf |
160 |
°C |
ISO 306 |
| 90°F, 2 lbf | 175 | °C | |
| Coeff. of linear therm. expansion, parallel | 110 | E-6/K | ISO 11359-1/-2 |
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COMPANY INFORMATION
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| Lizhao Techi is a widely used PBT resin product portfolio, their common features include fast crystallization, low friction, high dielectric strength, good electrical properties, high mechanical strength and ease of Ultrasonic welding; Techi PBT resin has a variety of specifications to meet the customer's diverse product needs, but also to meet the customer's customized product processes and uses, including most of the flame retardant grade and a variety of use conditions, custom colors and so on. Lizhao Techi resins are commonly used in the electronics, Electrical, information, communications and automotive industries. |
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