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  • LUCEL POM EC-605B plastic raw material
  • LUCEL POM EC-605B plastic raw material
  • LUCEL POM EC-605B plastic raw material
  • LUCEL POM EC-605B plastic raw material
  • LUCEL POM EC-605B plastic raw material

LUCEL POM EC-605B plastic raw material

Polyoxymethylene (POM), scientifically known as polyformaldehyde, also called Delrin or acetal, is a thermoplastic engineering plastic polymerized from formaldehyde and other raw materials. POM is characterized by high density and high crystallinity, and it comes in two types: POM-H (homopolymer) and POM-K (copolymer). Both types exhibit excellent physical, mechanical, and chemical properties, particularly outstanding wear resistance.

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Polyoxymethylene (POM), scientifically known as polyformaldehyde, also called Delrin or acetal, is a thermoplastic engineering plastic polymerized from formaldehyde and other raw materials. POM is characterized by high density and high crystallinity, and it comes in two types: POM-H (homopolymer) and POM-K (copolymer). Both types exhibit excellent physical, mechanical, and chemical properties, particularly outstanding wear resistance.

POM materials have a structure with no side chains, high density, and strong crystallinity. This makes the surface smooth and glossy, the material hard and dense, and typically pale yellow or white. POM can be used long-term within a temperature range of -40 to 100°C, with wear resistance and self-lubricating properties far superior to most engineering plastics. Additionally, POM has good oil and peroxide resistance, and the addition of UV stabilizers can significantly enhance its UV resistance.

Specifically, the POM EC-605B material has the following excellent properties: a flammability rating of HB, a tensile strength of 59 MPa at 23°C, an elongation of 10%, a flexural modulus of 2500 MPa, a flexural strength of 88 MPa, and a notched Izod impact strength of 3.57 kJ/m² at 23°C. Its heat deflection temperature is 160°C at 0.45 MPa and 110°C at 1.8 MPa in non-annealed conditions. It has a specific gravity of 1.42 g/cm³, a shrinkage rate of 1.8% in the flow direction, and 2.1% in the perpendicular direction, with a Rockwell hardness of 80.

Due to its excellent mechanical and chemical properties, POM EC-605B is widely used in mechanical parts, electronic and electrical products, and automotive components. For example, it is often used to manufacture gears, bearings, and cams, which require materials with excellent wear resistance and self-lubricating properties. In electronic and electrical products, POM EC-605B is used for making connectors and switches due to its insulation performance and mechanical strength. In the automotive industry, this material is used for manufacturing fuel system components and dashboard assemblies, owing to its outstanding oil resistance and high strength.

 

 

Mechanical behaviorConditionStandardValueUnit
Tensile StrengthBreak 23°CASTM D63859MPa
Elongation23°CASTM D63810%
Flexural Modulus23°CASTM D7902500MPa
Flexural Strength23°CASTM D79088MPa
Izod Notch Impact ASTM D25630.61kJ/m²
Izod Notch Impact23°CASTM D2563.57kJ/m²
ThermalConditionStandardValueUnit
HDTUnannealed 0.45MPaASTM D648160°C
HDTUnannealed 1.8MPaASTM D648110°C
Physical propertyConditionStandardValueUnit
Density ASTM D7921.42g/cm³
ShrinkageFlowASTM D9951.8%
ShrinkagexFlowASTM D9952.1%
HardnessConditionStandardValueUnit
Rockwell HardnessM(Scale)ASTM D78580 
FlammabilityConditionStandardValueUnit
Flame RatingBlack 0.75mmUL94HB 
Flame RatingBlack 2.9mmUL94HB 

 

LUCEL POM EC-605B

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