Plastic Injection Pipe Fitting Mould

                                    Plastic Injection Pipe Fitting Mould

The materials commonly used in plastic injection molding pipe fittings mainly include the following categories:

‌1. Polyvinyl chloride (PVC): PVC has good chemical corrosion resistance, flame retardancy and electrical insulation, but poor thermal stability, and stabilizers need to be added during processing. It can be divided into hard PVC and soft PVC. Hard PVC is commonly used in injection molding pipe fittings, which is used to manufacture pipes, door and window profiles and other products with certain strength and hardness.

‌2. Polypropylene (PP): PP is a crystalline plastic that is colorless, odorless, non-toxic, has high heat resistance, and can be boiled and sterilized at 100°C. It has good fluidity, excellent molding performance, high yield strength, and good electrical properties. It is widely used in automotive parts, home appliance housings, daily necessities, etc. In injection molding pipe fittings, PP is widely used because of its good processing performance and physical properties.

‌3. Polyethylene (PE): PE is divided into high-density polyethylene (HDPE), low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE). It has good low temperature resistance, chemical stability and electrical insulation, good processing performance and low cost. Although PE is not as widely used in injection molding pipes as PVC and PP, it is still used in certain specific fields, such as the manufacture of plastic films, pipes, containers, etc.

‌4. Other engineering plastics: such as nylon (PA), polycarbonate (PC), polyoxymethylene (POM), etc. These engineering plastics have excellent mechanical properties, heat resistance, wear resistance and corrosion resistance, and are often used to manufacture injection molding pipes with high performance requirements. In particular, nylon, due to its high strength, high toughness, good wear resistance and other characteristics, is widely used in machinery, automobiles, electronics and other fields.

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