Introduction of PP plastic granules


Release time:

2021-03-22

PP plastic particles are not only semi-finished products in the plastic molding industry, but also raw materials for extrusion, injection molding, hollow blow molding and foaming. Let's introduce the advantages of PP plastic particles: convenient feeding, no need to install a forced feeder in the hopper. The relative density of PP plastic particles is higher than that of powder, and the strength of plastic products is better. The mixture of resin and various solid powder or liquid additives is relatively uniform, and the physical properties of plastic products are relatively uniform. PP plastic granules plastic products color uniformity. PP plastic particles contain less air agent volatile substances, so that plastic products are not easy to produce bubbles. PP plastic

PP plastic granulesIt is not only a semi-finished product in the plastic molding industry, but also a raw material for extrusion, injection molding, hollow blow molding and foaming. What are its advantages? Let's introduce the advantages of PP plastic particles:
Feeding is convenient, no need to install a forced feeder in the hopper. The relative density of PP plastic particles is higher than that of powder, and the strength of plastic products is better. The mixture of resin and various solid powder or liquid additives is relatively uniform, and the physical properties of plastic products are relatively uniform. PP plastic granules plastic products color uniformity.


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PP plastic particles contain less air agent volatile substances, so that plastic products are not easy to produce bubbles. PP plastic particles on the extruder and the production environment without pollution. PP plastic particles propylene is a non-toxic and tasteless Milky White crystalline polymer, high crystallinity, regular structure, so it has excellent mechanical properties, its yield strength, tensile strength, compression strength, hardness and elasticity are higher than HDPE. Let's take a look at the method of producing PP plastic pellets.
Mud method. Polymerization in diluents (such as hexane) is an early commercial process and has been highly productive to date.
liquid bulk method. Polymerization in liquid propylene at 70°C and 3 MPa.
Gas phase method. The polymerization was carried out with propylene in the gaseous state. The latter two methods do not use diluent, the process is short, and the energy consumption is low. Now the liquid bulk method has shown advantages from the back.
PP granule manufacturersTell you, plastic waste can be seen everywhere in our lives, but it can be recycled into particles and applied to all aspects of our lives. However, the field of application is different. For example, convenient bags made of PE recycled particles cannot be used for food packaging, and some particles made of PVC may contain toxins, so its scope of application will be limited. Generally speaking, 1. secondary materials can be used for film blowing, wire drawing, etc., while tertiary materials can only be used for injection molding.ABS recycled materialAlso need attention.
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