描述

聚甲醛树脂原料颗粒

1）聚甲醛20%玻璃纤维，具有优异的机械强度

2）POM 20%玻璃纤维，用于承载高硬度强度

3）POM 20%玻璃纤维，具有高耐磨性

4）轴承自润滑用POM 20%玻璃纤维

5）POM 20%玻璃纤维，用于承载更高的模量

6）POM 20%玻璃纤维，用于耐化学腐蚀等。

聚甲醛树脂原料颗粒

产品详细信息

聚甲醛树脂原料颗粒

聚甲醛原料的性能特点：
1。POM是一种乳白色不透明结晶线性热塑性树脂，具有良好的综合性能和着色性、高弹性模量、高硬度和硬度，其比强度和比刚度接近金属
2。优异的拉伸强度、弯曲强度、抗蠕变和抗疲劳性、抗反复冲击性，以及优异的负载恢复性
3。摩擦系数小，耐磨性好，尺寸稳定性好，表面光泽好，粘弹性高，电绝缘性好，不受温度影响；绝缘电阻好，不受湿度影响
4。优异的耐化学性：除强酸、酚类和有机卤化物外，对其他化学品稳定，耐油；机械性能受温度影响较小，热变形温度较高
5。缺点是阻燃性差，遇火燃烧缓慢，氧指数小。即使添加了阻燃剂，也不能满足要求。此外，耐候性不理想，户外应用应添加稳定剂
6。均聚甲醛比共聚甲醛具有更高的结晶度、更好的机械强度、硬度和热变形温度，共聚甲醛的低熔点、热稳定性、耐化学性、流动特性和加工性能优于均聚甲醛，开发的新产品为超高流动性（快速成型），抗冲击，减少霉菌沉积等级，以及无机填充，增强等级
7。聚甲醛原料的吸水率大于0.2%。成型前应预先干燥。POM的熔融温度与分解温度相近，可塑性较差。可用于注塑、挤出、吹塑、旋转成型、焊接、粘接、涂膜等。印刷、电镀、机加工和注塑是最重要的加工方法。成型收缩率大，且模具温度应较高，或进行退火处理，或添加增强材料（如无碱玻璃纤维）

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POM Resin Raw Material Granule

1)POM 20% Glass Fiber for Bearing Excellent mechanical strength;
2)POM 20% Glass Fiber for Bearing High hardness strength;
3)POM 20% Glass Fiber for Bearing High wear resistance;
4)POM 20% Glass Fiber for Bearing Self-lubrication;
5)POM 20% Glass Fiber for Bearing Higher modulus;
6)POM 20% Glass Fiber for Bearing Chemical resistance and etc.

POM Resin Raw Material Granule

Product Details

POM Resin Raw Material Granule

Performance characteristics of pom raw materials:
1. POM is a milky white opaque crystalline linear thermoplastic resin with good comprehensive properties and colorability, high elastic modulus, high rigidity and hardness, and its specific strength and specific rigidity are close to those of metals;
2. Excellent tensile strength, bending strength, creep resistance and fatigue resistance, repeated impact resistance, and excellent recovery from load;
3. Small friction coefficient, wear resistance, good dimensional stability, good surface gloss, high viscoelasticity, excellent electrical insulation, and not affected by temperature; good insulation resistance and not affected by humidity;
4. Excellent chemical resistance: in addition to strong acids, phenols and organic halides, it is stable to other chemicals and oil resistant; mechanical properties are less affected by temperature and have a high heat distortion temperature.
5. The disadvantage is that the flame retardancy is poor, it burns slowly in case of fire, and the oxygen index is small. Even if flame retardants are added, the requirements cannot be satisfied. In addition, the weather resistance is not ideal, and stabilizers should be added for outdoor applications.
6. Homopolyformaldehyde has high crystallinity, better mechanical strength, rigidity and thermal deformation temperature than copolyformaldehyde, low melting point of copolyformaldehyde, thermal stability, chemical resistance, flow characteristics, and processability are better than homopolyformaldehyde, new Products developed are ultra high flow (rapid prototyping), impact resistant and reduced mold deposit grades, as well as inorganic filled, enhanced grades.
7. The water absorption rate of POM raw materials is greater than 0.2%. It should be pre-dried before molding. The melting temperature of POM is similar to the decomposition temperature, and the moldability is poor. It can be used for injection molding, extrusion, blow molding, rotational molding, welding, bonding, film coating, etc. Printing, electroplating, machining, and injection molding are the most important processing methods. The molding shrinkage rate is large, and the mold temperature should be higher, or annealing treatment, or adding reinforcing materials (such as alkali-free glass fiber).

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