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POM （polyoxymethylene resin） definition: polyoxymethylene is a kind of linear polymer without side chain, high density and high crystallinity. It is also known as polyformaldehyde resin, POM plastic, saigang material, etc. it is a white or black plastic particle with high hardness, high rigidity and high wear resistance. It is mainly used for gears, bearings, auto parts, machine tools, instrument internals and other products with skeleton function.
It can replace most of the non-ferrous metals, automobiles, machine tools, instrument internals, bearings, fasteners, gears, spring sheets, pipes, transportation belt accessories, electric water cookers, pump casings, drains, faucets, etc.
Performance: high strength and rigidity of POM, good elasticity and wear resistance. Its mechanical properties are excellent, the specific strength can reach 50.5mpa, the specific stiffness can reach 2650mpa, which is very close to metal. The mechanical properties of POM change little with temperature, and the change of copolymerized POM is a little bigger than homopolymerized POM. The impact strength of POM is higher than that of ABS and PC; POM is sensitive to notches, which can reduce the impact strength by 90%. The fatigue strength of POM is very prominent. The fatigue strength of POM can reach 35 MPa under 10 alternating loads, while that of PA and PC is only 28 MPa. The creep of POM is similar to that of PA, which is only 2.3% at 20 ℃， 21 MPa and 3000 h, and little influenced by temperature. POM has small friction coefficient, good wear resistance （POM > PA66 > PA6 > ABS > HPVC > PS > PC）， large limit PV value and good self-lubricating property. When POM products are grinded, it is easy to produce squeal like noise under high load.
Molecular formula: ch? O
Molecular weight: 30.0260, specific gravity: 1.43, melting point: 175 ° C
Tensile strength （yield） 70MPa
Elongation （yield） 15%
（broken） 15%
Impact strength （without notch） 108kj / M?
POM （polyoxymethylene resin） definition: polyoxymethylene is a kind of linear polymer without side chain, high density and high crystallinity. It is also known as polyformaldehyde resin, POM plastic, saigang material, etc. it is a white or black plastic particle with high hardness, high rigidity and high wear resistance. It is mainly used for gears, bearings, auto parts, machine tools, instrument internals and other products with skeleton function.
It can replace most of the non-ferrous metals, automobiles, machine tools, instrument internals, bearings, fasteners, gears, spring sheets, pipes, transportation belt accessories, electric water cookers, pump casings, drains, faucets, etc.
Performance: high strength and rigidity of POM, good elasticity and wear resistance. Its mechanical properties are excellent, the specific strength can reach 50.5mpa, the specific stiffness can reach 2650mpa, which is very close to metal. The mechanical properties of POM change little with temperature, and the change of copolymerized POM is a little bigger than homopolymerized POM. The impact strength of POM is higher than that of ABS and PC; POM is sensitive to notches, which can reduce the impact strength by 90%. The fatigue strength of POM is very prominent. The fatigue strength of POM can reach 35 MPa under 10 alternating loads, while that of PA and PC is only 28 MPa. The creep of POM is similar to that of PA, which is only 2.3% at 20 ℃， 21 MPa and 3000 h, and little influenced by temperature. POM has small friction coefficient, good wear resistance （POM > PA66 > PA6 > ABS > HPVC > PS > PC）， large limit PV value and good self-lubricating property. When POM products are grinded, it is easy to produce squeal like noise under high load.
Molecular formula: ch? O
Molecular weight: 30.0260, specific gravity: 1.43, melting point: 175 ° C
Tensile strength （yield） 70MPa
Elongation （yield） 15%
（broken） 15%
Impact strength （without notch） 108kj / M?
POM （polyoxymethylene resin） definition: polyoxymethylene is a kind of linear polymer without side chain, high density and high crystallinity. It is also known as polyformaldehyde resin, POM plastic, saigang material, etc. it is a white or black plastic particle with high hardness, high rigidity and high wear resistance. It is mainly used for gears, bearings, auto parts, machine tools, instrument internals and other products with skeleton function.
It can replace most of the non-ferrous metals, automobiles, machine tools, instrument internals, bearings, fasteners, gears, spring sheets, pipes, transportation belt accessories, electric water cookers, pump casings, drains, faucets, etc.
Performance: high strength and rigidity of POM, good elasticity and wear resistance. Its mechanical properties are excellent, the specific strength can reach 50.5mpa, the specific stiffness can reach 2650mpa, which is very close to metal. The mechanical properties of POM change little with temperature, and the change of copolymerized POM is a little bigger than homopolymerized POM. The impact strength of POM is higher than that of ABS and PC; POM is sensitive to notches, which can reduce the impact strength by 90%. The fatigue strength of POM is very prominent. The fatigue strength of POM can reach 35 MPa under 10 alternating loads, while that of PA and PC is only 28 MPa. The creep of POM is similar to that of PA, which is only 2.3% at 20 ℃， 21 MPa and 3000 h, and little influenced by temperature. POM has small friction coefficient, good wear resistance （POM > PA66 > PA6 > ABS > HPVC > PS > PC）， large limit PV value and good self-lubricating property. When POM products are grinded, it is easy to produce squeal like noise under high load.
Molecular formula: ch? O
Molecular weight: 30.0260, specific gravity: 1.43, melting point: 175 ° C
Tensile strength （yield） 70MPa
Elongation （yield） 15%
（broken） 15%
Impact strength （without notch） 108kj / M?