1.6g Cm3 Polyoxymethylene Engineering Plastics Acetal Sheet High Solvent Resistance
Color POM board engineering plastics, high density, hardness, high solvent resistance, polyoxymethylene POMGeneral Engin
Pom and rigidity have good self-lubricity, good fatigue resistance, and elasticity in a wide range of temperature and humidity. In addition, it has good chemical resistance. Pom, at a lower cost than many other engineering plastics, is replacing some of the markets traditionally occupied by metals, such as replacing zinc, brass, aluminum and steel to make many parts. Since its inception, pom has been widely used in electronics, electrical, machinery , Instrumentation, daily light industry, automobile, building materials, agriculture and other fields. In many new fields of applications, such as medical technology, sports equipment, etc., pom has also shown a good growth trend.
| Property | Item No. | Unit | POM-C | POM-H | POM-H+PTFE |
| 1 | Density | g/cm3 | 1.41 | 1.43 | 1.50 |
| 2 | Water absorption(23℃ in air) | ％ | 0.20 | 0.20 | 0.17 |
| 3 | Tensile strength | MPa | 68 | 78 | 55 |
| 4 | Tensile strain at break | ％ | 35 | 35 | 10 |
| 5 | Compressive stress(at 2%nominal strain) | MPa | 35 | 40 | 37 |
| 6 | Charpy impact strength (unnotched) | KJ/m2 | ≥150 | ≥200 | ≥30 |
| 7 | Charpy impact strength (notched) | KJ/m2 | 7 | 10 | 3 |
| 8 | Tensile modulus of elasticity | MPa | 3100 | 3600 | 3200 |
| 9 | Ball indentation hardness | N2 | 140 | 160 | 140 |
| 10 | Rockwell hardness | - | M84 | M88 | M84 |
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