DuPont Delrin 300PE is a polyoxymethylene material that can be processed by extrusion, sheet extrusion, profile extrusion, injection molding or cast film, and can be used in North America, Africa and the Middle East, Obtained in Latin America, Europe or Asia-Pacific region, ready-to-stock original package Delrin POM DuPont 300PE applications include wire and cable, gears, engineering/industrial parts and automotive industry, conveyor belts, etc.; characteristics include: high molecular weight; high stiffness; high Strength; high viscosity; low odor and low VOC.
Performance characteristics of POM DuPont Delrin 300PE
1. POM is a milky white opaque crystalline linear thermoplastic resin with good comprehensive performance and colorability, high elastic modulus, high rigidity and hardness, and its specific strength and specific rigidity are close to metal
2. Excellent tensile strength, curvature, creep resistance and fatigue resistance, repeated impact resistance, excellent load recovery;
3. Small friction coefficient, wear resistance, good temporal stability, good surface gloss, high viscoelasticity, excellent electrical insulation, which is affected by temperature; good insulation resistance, which is affected by humidity;
4. Excellent chemical resistance: In addition to strong acids, phenols and organic halides, it is stable to other chemicals and resistant to oil; the mechanical properties are less affected by temperature, and it has 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 a flame retardant is added, it cannot meet the satisfactory requirements. In addition, the weather resistance is not ideal, and a stabilizer should be added outdoors.
6. Homopolyoxymethylene has high crystallinity, better mechanical strength, rigidity, heat distortion temperature, etc. than copolymerized polyoxymethylene, low melting point of sudden formaldehyde, thermal stability, chemical corrosion resistance, flow characteristics, and processability are better than homopolyoxymethylene Formaldehyde, a newly developed product for ultra-high flow (rapid prototyping), impact resistance and reduced mold deposition grades, also inorganically filled, reinforced grades.
7. The water absorption rate of POM raw materials is greater than 0.2%, and it should be pre-dried before molding. The melting temperature of POM is similar to the decomposition temperature, and the formability is poor. It can be used for injection molding, extrusion, blow molding, rotational molding, welding, bonding, Coating, printing, electroplating, machining, injectionPlastic is the most important processing method, the molding shrinkage rate is large, the mold temperature should be higher, or annealing treatment, or adding reinforcing materials (such as alkali-free glass fiber).
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