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  4. What are the characteristics and uses of...

What are the characteristics and uses of pp particles?

What are the characteristics and uses of pp particles?

After processing waste plastics into recycled plastic granules, only the appearance and shape are changed, and its chemical properties are not changed. It still has an excellent summary information function, which can be satisfactory for film blowing and drawing

After processing waste plastic into recycled plastic granules, it only changed its appearance and shape, and did not change its chemical properties. It still has an excellent summary information function, which can meet the technical requirements of film blowing, wire drawing, tube drawing, injection molding, and extrusion profiles. Many are used in the production of plastic products. PP particles can be used for wire drawing and injection molding, and can also be used for pipes. PVC is used for pipes, bicycles, motorcycle handlebars, sole materials, etc. ABS granulation is used in electrical appliances, toys, and other alloy materials such as PC/ABS can be used as mobile phone shells, which are widely used.



 PP particles



PP particle propylene is a non-toxic, odorless, odorless milky white crystalline polymer with high crystallinity and regular structure, so it has excellent mechanical functions, and its yield, tension, compression strength, hardness and elasticity are higher than HDPE. It has a melting point of 164-170 degrees. The products can be sterilized at temperatures above 100 degrees. The chemical stability of polypropylene is very good. In addition to being corroded by concentrated nitric acid, it is relatively stable to other chemical reagents. Processing methods: injection molding, extrusion molding, hollow molding, rotary molding;







     Its usefulness mainly includes the following four aspects. Jieshou Dongwei Plastic Co., Ltd. introduces you one by one.



     1. Manufacture PET bottles from scratch. Recycled pellets cannot be used for direct contact with food, but can be used in the middle layer of three-layer PET bottles to make carbonated beverage bottles.



     2. Spinning to produce fibers, recycled PET materials can be used to spin to make fibers, used as pillows, mattresses, sleeping bags, felts, etc.



     3. Glass fiber reinforced materials. Recycled PET reinforced with glass fiber has good heat resistance and mechanical strength. It can be used to manufacture car parts, such as heat-resistant car wheel covers, and its thermal distortion temperature can reach 240 degrees. Flexural modulus of elasticity 9500MPa, torsion strength 214 MPa, impact strength 15kf/m2.



     4. Blending modification. Recycled PET materials can be blended with other polymers to produce various modified materials. If blended with PE, PET blends with improved impact function can be obtained. PE: PET is (10 ~50): (90~50): If you participate in a few polypropylenes, the dimensional stability of the blend can be significantly improved. Because the polarities of PE and PET are quite different, a compatibility treatment is required during blending, which is generally modified by graft modification of polyolefin to improve compatibility.

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


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    • N95 KN95 FACE MASK MACHINE
    • FLAT FACE MASK MACHINE
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