5-300mm engenieering Pom Acetal Copolymer plastic rod

5-300mm engenieering Pom Acetal Copolymer plastic rod http://xiongyi888.en.china.cn

 specification:

1.Diameter:8-200mm

2.Length:any length

lor:white&black

4.Note:other color and size can be customerized.

There are two general types of acetal resins available: Acetal homopolymer and acetal copolymers. Each type of acetal has its own set of advantages and disadvantages. Acetal (polyoxymethylene, POM) is a thermoplastic polymer commercialized in the early 1960's. This material is produced through the polymerization of formaldehyde.

ACETAL HOMOPOLYMER resins are currently made by the DuPont Company under the trade name  Acetal homopolymers offer the following advantages over acetal copolymers:

Stiffer than acetal copolymers. Higher flexural modulus at room temperature and elevated temperature applications.

• Higher impact strengths at room temperatures and low temperatures.
• Tensile strength is approximately 10-15% higher than comparable copolymers.
• Slightly higher continuous use temperature than copolymer (95°C vs. 90°C).
• Slightly harder than copolymer acetals, thus giving the homopolymer acetals a lower coefficient of friction.

ACETAL COPOLYMER (Ultraform®, Celcon®) is made by several companies including BASF and Ticona. Acetal copolymers have the following advantages over homopolymer:

• Improved dimensional stability over comparable homopolymer formulations due to its lower level of crystallinity.
• Better chemical resistance with high pH (basic) solutions.
• Lower centerline porosity than homopolymer in extruded shapes.

Applications

POM Rod is suitable for most non food and non highly abrasive component applications. Because POM does not absorb very much moisture, it is an engineering plastic that will suit marine applications as it also has a very low friction co-efficient and possesses exceptional sliding abilities. POM is also very good for manufacturing of many gears, because it is very good to machine and has mechanical strength and provides long life and quiet operation.

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3.The standard of examing the goods as the reference of the sample

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SHENZHEN XIONGYIHUA PLASTIC INSULATION LTD.

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