POM Resin POM FT2020 Injection Molded High Rigidity 20% Whisker Reinforced Automotive Components

• Customization: Available
• Feature: Photodegradable
• CAS No.: 202-851-5
• Formula: C3h6o3X2(CH2o)X
• EINECS: POM
• Material: Polyacetal/POM
• Usage: General Plastics
• Plastic Properties After Heated: Thermosetting Plastic
• Plastic Forming Method: Blow Molding
• Color: White
• Transport Package: Bags
• Specification: 25kg/bag
• Trademark: sysh
• Origin: China
• HS Code: 3907101090
• Production Capacity: 500ton/Years

Product Description

                                Polyoxymethylene thermoplastic crystalline polymer
 

Polyoxymethylene is a hard and dense material with a smooth and glossy surface, light yellow or white in color, and semi transparent in the thin-walled part. The combustion characteristics are easy to burn, continuing to burn after leaving the flame. The upper end of the flame is yellow and the lower end is blue, with melting and dripping, and a strong irritating formaldehyde odor and fishy smell. Polyoxymethylene is a white powder, generally opaque, with good coloring properties, a specific gravity of 1.41-1.43 grams per cubic centimeter, a molding shrinkage rate of 1.2-3.0%, a molding temperature of 170-200 ºC, and a drying condition of 80-90 ºC for 2 hours. The long-term heat resistance of POM is not high, but it can reach 160 ºC in the short term. Among them, the short-term heat resistance of homopolymer POM is more than 10 ºC higher than that of copolymer POM, but the long-term heat resistance of copolymer POM is about 10 ºC higher than that of homopolymer POM. Can be used for a long time within the temperature range of -40 ºC to 100 ºC. POM is highly prone to decomposition, with a decomposition temperature of 280 ºC. Stimulating and corrosive gases occur during decomposition. Therefore, mold steel should be made of corrosion-resistant materials.

 

POM has high strength, rigidity, good elasticity, and good wear resistance. Its mechanical properties are excellent, with a specific strength of up to 50.5MPa and a specific stiffness of up to 2650MPa, which is very close to metals. The mechanical properties of POM change little with temperature, while the variation of copolymer POM is slightly greater than that of homopolymer POM. POM has a high impact strength, but its conventional impact strength is inferior to ABS and PC; POM is sensitive to notches, and notches can reduce impact strength by up to 90%. The fatigue strength of POM is very outstanding. After 10 alternating loads, the fatigue strength can reach 35MPa, while PA and PC are only 28MPa. The creep deformation of POM is similar to that of PA, only 2.3% at 20 ºC, 21MPa, and 3000h, and is minimally affected by temperature. POM has a low friction coefficient, good wear resistance (POM>PA66>PA6>ABS>HPVC>PS>PC), a high ultimate PV value, and good self-lubricating properties. POM products are prone to produce screaming noise when subjected to high loads during grinding.

 

 

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