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注：本公司可支持多种原料混搭订购,25公斤/包起订（高价位的材料可以散卖），批量可折扣，提供售前咨询，售后服务，并由专业工程师提供一对一的产品问题解决方案。 温馨提示：因塑料行情波动频繁，网页上的报价可能会与当天实际报价有所差异，请用QQ或电话直接询价。若需要材料详细物性资料及环保证书等，请联系我司工作人员索取。感谢您的配合与支持！

Note: the company can support a variety of raw materials mixing order, 25 kg / Bao Qiding (high priced material can be sold in bulk), bulk discount, provide pre-sales consulting, customer service service, and by professional engineers to provide products to a solution of the problem. Warm tip: due to frequent fluctuations in the plastic market, the quotation on the web may be different from the actual price of the day, please use QQ or telephone inquiry. If you need detailed physical properties and environmental protection certificate, please contact our staff. Thank you for your cooperation and support!

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（1）欧盟ROHS指令

（2）美国H.R.4040

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Pom engineering plastics

One of the synthetic resins, also known as polyformaldehyde resin, POM plastic and steel, etc. It is a kind of white or black plastic particle with high hardness, high steel, high wear-resisting properties. It is mainly used in gear, bearings, auto parts, machine tools, instrument, etc.

An overview of the

Formaldehyde is a linear polymer with no side chains, high density and high crystallographic properties. According to the different chemical structure in their molecular chain, they can be divided into two kinds: homodehyde and copolymerization. Important difference is that of both types of polyformaldehyde density, crystallinity, melting point is high, but the thermal stability, processing temperature range narrow (about 10 ℃), slightly lower on the stability of acid and alkali; Formaldehyde density, crystallinity, melting point, strength and copolymerization are lower, but the thermal stability is good, not easy to decompose, wide processing temperature range (about 50 ℃), the acid and alkali stability is good. Engineering plastics with excellent comprehensive performance. Good physical, mechanical and chemical properties, especially with excellent friction resistance. Commonly known as sisteel or strip steel, it is the third largest general purpose plastic.

Physical properties of 
 
Formaldehyde is a smooth, glossy, hard and dense material, pale yellow or white, and partly translucent. Combustion characteristic for easy burning, from continue to burn after the fire, flame yellow top, bottom is blue, the molten drop occurs, has a strong pungent formaldehyde smell, fish fishy. Polyformaldehyde as white powder, is generally not transparent, good coloring, specific gravity 1.41 1.43 g/cm3, molding shrinkage ratio of 1.2 to 3.0%, molding temperature 170-200 ℃, dry conditions in 80-90 ℃ for 2 hours. Long-term heat resistant properties of POM is not high, but the short-term can reach 160 ℃, the homopolymerization short-term heat above 10 ℃ higher than copolymerization POM POM, but long-term thermal copolymerization POM instead of around 10 ℃ higher than homopolymerization POM. Can be in - 40 ℃ ~ 100 ℃ temperature range for long-term use. The POM is easily decomposed, breaking down temperatures to 240 degrees and breaking down with irritant and corrosive gases. The mould steel is suitable for the use of corrosive materials. 
 
Polyoxymethylene is a kind of surface is smooth, shiny hard and dense materials, yellow or white, can be in - 40-100 ° C temperature range for long-term use. Its abrasion and self-lubrication are also superior to most engineering plastics, and have good oil resistance and peroxide performance. It"s very resistant to acid, it"s not resistant to strong base and uv radiation. 
 
Polyoxymethylene tensile strength of 70 mpa, small water imbibition, dimension stability, luster, these performance is better than nylon, polyformaldehyde as highly crystalline resin, is the most tough in the thermoplastic resin. It has high resistance to heat, bending strength, fatigue resistance, resistance to abrasion and excellent electrical performance. 
 
Formaldehyde performance: 
 
Performance value 
 
The proportion of 1.43 
 
Melting point of 175 ° c. 
 
Stretch (yield) 70MPa 
 
Elongation (yield) 15% 
 
(fracture) 15% 
 
Impact strength (no gap) 108KJ/m2 
 
(with a gap) 7.6 KJ/m2 
features 
 
POM has very low friction coefficient and good geometrical stability, especially suitable for making gears and bearings. 
 
POM has high temperature resistance, so it is also used for piping device (pipe valve, pump casing), lawn equipment and so on. 
 
POM is a resilient and resilient material, even at low temperatures with excellent creep properties, geometric stability, and shock resistance properties. 
 
The high crystallization of POM results in a high shrinkage, which can be as high as 2% ~ 3.5%. There are different shrinkage rates for different types of enhanced materials. 
 
POM is the crystalline plastic, the melting point is obviously, once it reaches the melting point, the melt viscosity drops rapidly. 
 
The POM is a resilient material that is resistant to creep, geometric stability and impact resistance even at low temperatures. POM has both homopolymers and copolymer materials. Homopolymer materials have excellent tensile strength and fatigue strength, but they are not easy to process. Copolymer materials have good thermal stability, chemical stability and easy to process. It is a crystallized material and does not absorb moisture, whether it is a homopolymer or copolymer. The high crystallization of the POM results in a fairly high shrinkage, which can be as high as 2 to 3.5 percent. There are different shrinkage rates for different types of enhanced materials. 

pom工程塑料

　　合成树脂中的一种，又名聚甲醛树脂、POM塑料、赛钢料等；是一种白色或黑色塑料颗粒，具有高硬度、高钢性、高耐磨的特性。主要用于齿轮，轴承，汽车零部件、 机床、仪表内件等起骨架作用的产品。

中文名 组 成 pom工程塑料 赛钢料、(聚甲醛

外文名 性 能 Polyoxymethylene(Polyformaldehyde) 热稳定性好，不易分解

概述

聚甲醛是一种没有侧链、高密度、高结晶性的线型聚合物。按其分子链中化学结构的不同，可分为均聚甲醛和共聚甲醛两种。两者的重要区别是：均聚甲醛密度、结晶度、熔点都高，但热稳定性差，加工温度范围窄（约10℃），对酸碱稳定性略低；而共聚甲醛密度、结晶度、熔点、强度都较低，但热稳定性好，不易分解，加工温度范围宽（约50℃），对酸碱稳定性较好。是具有优异的综合性能的工程塑料。有良好的物理、机械和化学性能，尤其是有优异的耐摩擦性能。俗称赛钢或夺钢，为第三大通用塑料。

物理性能

聚甲醛是一种表面光滑、有光泽的硬而致密的材料，淡黄或白色，薄壁部分呈半透明。燃烧特性为容易燃烧，离火后继续燃烧，火焰上端呈黄色，下端呈蓝色，发生熔融滴落，有强烈的刺激性甲醛味、鱼腥臭。聚甲醛为白色粉末，一般不透明，着色性好，比重1.41-1.43克/立方厘米，成型收缩率1.2-3.0%，成型温度170-200℃，干燥条件80-90℃2小时。POM的长期耐热性能不高，但短期可达到160℃，其中均聚POM短期耐热比共聚POM高10℃以上，但长期耐热共聚POM反而比均聚POM高10℃左右。可在-40℃～100℃温度范围内长期使用。POM极易分解，分解温度为240度，分解时有刺激性和腐蚀性气体发生。故模具钢材宜选用耐腐蚀性的材料制作。

聚甲醛是一种表面光滑，有光泽的硬而致密的材料，淡黄或白色，可在-40- 100°C温度范围内长期使用。它的耐磨性和自润滑性也比绝大多数工程塑料优越，又有良好的耐油，耐过氧化物性能。很不耐

工商信息

注册号：	91441900MA51J8J89X
组织机构代码：	-
税务登记证号：	-
法定代表人：	刘建飞
经营状态：	开业
成立日期：	2018-04-12
营业期限：	长期有效
年检日期：	-
注册资本：	-
企业类型：	有限责任公司(自然人独资)
机构类型：	-
所属行业：	-
行政区划：	广东省东莞市
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登记机关：	东莞市工商行政管理局
所在地址：	东莞市常平镇漱新村大京九塑胶城塑兴东路179号
经营范围：	-