The Difference Between High Transparent PP And Homopolymer PP

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The difference between high transparent PP and homopolymer PP 2023-05-11

1. Compare from transparency first

Data show that the fog degree of high transparent PP is only 10%, the transmittance of more than 90%, and the fog degree of homopoly PP is 56%, that is to say, the transmittance of homopoly PP is only 44%.

2. From the appearance of glossiness
The gloss of high transparent PP is 129.2%, while the gloss of homopolymer PP is only 99.6%. The gloss of high transparent PP is excellent.

3. Compared from the notch impact strength
The impact strength of high transparent PP SM-498 is 6(KG/CM.CM), the impact strength of homopolymer PP 1120 is 4 (KG/CM.CM), the impact strength of high transparent PP is improved.

4. Analysis from thermal deformation temperature
It can be clearly seen from the physical property data of many PP brands that the thermal deformation temperature of highly transparent PP is only 85-95 degrees, while the thermal deformation temperature of homopolymer PP is 104-140 degrees. For example, the thermal deformation temperature of highly transparent PP SM-498 is 85 degrees, and the thermal deformation temperature of R370Y is 100 degrees. The thermal deformation temperature of homopolymer PP H110MA is 104 degrees, and the thermal deformation temperature of high temperature resistant homopolymer PP HJ4006 is as high as 140 degrees. It can be known that high transparent PP has low thermal deformation temperature and poor high temperature resistance.

5. Hardness comparison
Data on the physical property table shows that the hardness of high transparent PP is generally only 85-95 degrees, homogeneity PP hardness of 97-115 degrees, such as: high transparent PP SM-498 hardness is 85 degrees, J-560S J-570S hardness is 95 degrees, homogeneity PP Hunan, Korea H5300 hardness of 100 degrees, The thermal deformation temperature of H1500 in Honam, Korea is 115 degrees.

6. Application

High transparent PP material in transparency, gloss, thermal filling capacity, density, flexibility, rigidity, chemical resistance and traditional transparent materials such as PC/PET/PS/PVC compared to many excellent performance, transparent PP material has been widely used at present, Can be used for injection molding, blow molding, blow drawing, casting film, extrusion, hot molding products and widely used in food containers, packaging, medical film, daily necessities, industrial supplies and other aspects. Homopolymer PP has a wide range of applications in the field of thermoplasticity, especially in fiber and filament, film extrusion, injection molding and so on. Because of the stiffness and easy orientation, homopolymer PP is suitable for making a variety of fibers used in the extension belt, combined with the high heat resistance of homopolymer PP can be used to make hard high-pressure containers and appliances and automotive molding parts.

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