POM 500AL、POM 500CL、POM 500CL、POM 500P、POM 500P、POM 500PE、POM 500PE
1、POM为乳白色不透明结晶性线性热塑性树脂,具有良好的综合性能和着色性,具有较高的弹性模量,很高的刚性和硬度,比强度和比刚性接近于金属;
2、拉伸强度,弯曲强度,耐蠕变性和耐疲劳性优异,耐反复冲击,去载回复性优;
3、摩擦系数小,耐磨耗,尺寸稳定性好,表面光泽好,有较高的粘弹性,电绝缘性优,且不受温度影响;耐绝缘性好且不受湿度影响;、POM TP-20、POM TS-22、POM TS-22H
4、耐化学药品性优:除了强酸、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小,具有较高的热变形温度。、POM TS-25H、POM TX-11H
5、缺点是阻燃性较差,遇火徐徐燃烧,氧指数小,即使添加阻燃剂也得不到满意的要求,另外耐候性不理想,室外应用要添加稳定剂。、POM TX-21、POM TX-31、POM
6、均聚甲醛结晶度高,机械强度、刚性、热变形温度等比共聚甲醛好,共聚甲醛熔点低,热稳定性,耐化学腐蚀性,流动特性,加工性均优于均聚甲醛,新开发的产品为超高流动(快速成型),耐冲击和降低模具沉积牌号,也有无机填充,增强牌号。
POM
TC701、POM TC702、POM TC704、POM TF301、POM TF302
7、POM原料吸水率大于0.2%,成型前应预干燥,POM熔融温度与分解温度相近,成型性较差,可进行注塑、挤出、吹塑、滚塑、焊接、粘接、涂膜、印刷、电镀、机加工、注塑是*重要的加工方法,成型收缩率大,模具温度宜高些,或进行退火处理,或加入增强材料(如无碱玻璃纤维)。
、POM TF304、POM UR302、POM UR302、POM UR302LO、POM UR3031. POM is a milky opaque crystalline linear thermoplastic resin with good comprehensive properties and coloration, high modulus of elasticity, high rigidity and hardness, and its specific strength and specific rigidity are close to metals.、POM TE-24S、POM TE-25(FU2025)、POM TG-61、POM TG-63
2. Excellent tensile strength, flexural strength, creep resistance and fatigue resistance, repeated impact resistance and load-free recovery.、POM LX-30、POM MF3025、POM TC3010、POM TC3020、POM TE-14、POM TE-21、POM TE-22、POM TE-23(FU2015)、POM TE-24
3. Small friction coefficient, wear resistance, good dimensional stability, good surface gloss, high viscoelasticity, excellent electrical insulation, and not affected by temperature; good insulation and not affected by humidity;、POM FW-24、POM GD-52、POM GR-30、POM LO-21、POM UR304、POM UR304、POM UR304LO、POM UR304LO、POM UR306、POM VT301、POM VT702WR301RD、POM WR303、POM WR701、POM WR701、POM WR701LO、POM WR702、
4. Excellent chemical resistance: Except strong acids, phenols and organic halides, it is stable to other chemicals and oil-resistant; mechanical properties are less affected by temperature and have higher thermal deformation temperature.、POM FT2020、POM FV-30A、POM FW-21、POM WH302、POM WH702、POM WH704、POM WR101、POM WR101、POM WR101GR、POM WR301、POM WR301、POM WR301GR、POM WR301LO、POM WR301LO、POM WR301LODG、POM WR301LOGR、POM
5. Disadvantage is poor flame retardancy, slow combustion in case of fire, low oxygen index, even adding flame retardant can not be satisfied with the requirements, in addition, the weather resistance is not ideal, outdoor application to add stabilizers.、POM FM2520S、POM FS2022
6. Homopolymer formaldehyde has high crystallinity, better mechanical strength, rigidity and thermal deformation temperature than copolymer formaldehyde. The melting point of copolymer formaldehyde is low, its thermal stability, chemical corrosion resistance, flow characteristics and processability are better than that of homopolymer formaldehyde. The newly developed products are super-high flow (rapid prototyping), impact resistance and reduction of die deposition grade. It has inorganic filling and enhances the brand.、POM FG2025K、POM FL2010、POM FL2020、POM FM2020
7. The water absorption of POM raw material is more than 0.2%. It should be pre-dried before moulding. The melting temperature of POM is similar to the decomposition temperature and the moulding property is poor. It can be used for injection moulding, extrusion, blow moulding, rolling moulding, welding, bonding, coating, printing, electroplating, machining and injection moulding. The most important processing methods are moulding shrinkage rate and moulding temperature. Or annealing, or adding reinforcing materials (such as alkali-free glass fibers).
POM FA-30、POM FB2030、POM FC2020D、POM FC2020H、POM FG2015、POM FG2025
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