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13922298476(Mr. Huang)
Address: Building T1, Unit 2514-2516, Vanke Center, No. 1080 Huangpu East Road, Huangpu District, Guangzhou市
GS Caltex Kadeos MT43B-NP
Typical application areas: Automotive industry (primarily using PP containing metal additives: fenders, ventilation ducts, fans, etc.), appliances (dishwasher door seals, dryer ventilation ducts, washing machine frames and hoods, refrigerator door seals, etc.), and consumer goods (lawn and garden equipment such as lawnmowers and sprinklers, etc.). Chemical and Physical Properties: PP is a semi-crystalline material. It is harder than PE and has a higher melting point. Since homopolymer PP becomes very brittle above 0°C, many commercially available PP materials are random copolymers containing 1–4% ethylene or block copolymers with higher ethylene content. Copolymer-type PP materials have lower heat distortion temperatures (100°C), lower transparency, lower gloss, and lower rigidity, but exhibit significantly improved impact resistance. The strength of PP increases with increasing ethylene content. The Vicat softening temperature of PP is 150°C. Due to its high crystallinity, this material boasts excellent surface stiffness and scratch resistance. PP does not suffer from environmental stress cracking. Typically, PP is modified by adding glass fibers, metal additives, or thermoplastic elastomers. The melt flow rate (MFR) of PP ranges from 1 to 40. Low-MFR PP materials have better impact resistance but lower elongation at break. For materials with the same MFR, copolymer-type PP generally exhibits higher strength than homopolymer-type PP. Because of its crystallinity, PP has a relatively high shrinkage rate, typically ranging from 1.8% to 2.5%. Moreover, the uniformity of shrinkage in PP is much better than that of materials like HDPE. Adding 30% glass fiber filler can reduce the shrinkage rate to 0.7%. Both homopolymer and copolymer PP materials demonstrate excellent resistance to moisture absorption, acid and alkali corrosion, and solvent dissolution. However, they are not resistant to aromatic hydrocarbon solvents (such as benzene) or chlorinated hydrocarbon solvents (such as carbon tetrachloride). Unlike PE, PP also lacks antioxidant properties at high temperatures.
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Typical application range:
Automotive industry (primarily using PP with metal additives: fenders, ventilation ducts, fans, etc.), appliances (dishwasher door seals, dryer ventilation ducts, washing machine frames and hoods, refrigerator door seals, etc.), and daily consumer goods (lawn and garden equipment such as lawnmowers and sprinklers, etc.).
Chemical and physical properties:
PP is a semi-crystalline material. It is harder and has a higher melting point than PE. Since homopolymer PP becomes very brittle above 0°C, many commercially available PP materials are either random copolymers containing 1–4% ethylene or block copolymers with higher ethylene content. Copolymer-type PP materials have lower heat distortion temperatures (100°C), lower transparency, lower gloss, and lower rigidity, but they exhibit significantly improved impact resistance. The strength of PP increases as the ethylene content rises. The Vicat softening temperature of PP is 150°C. Due to its high crystallinity, this material boasts excellent surface rigidity and scratch resistance. PP does not suffer from environmental stress cracking. Typically, PP is modified by incorporating glass fibers, metallic additives, or thermoplastic elastomers. The melt flow rate (MFR) of PP ranges from 1 to 40. Low-MFR PP materials exhibit better impact resistance but lower tensile elongation. For materials with the same MFR, copolymer-type PP generally has higher strength than homopolymer-type PP. Because of its crystalline structure, PP has a relatively high shrinkage rate, typically ranging from 1.8% to 2.5%. Moreover, the uniformity of the shrinkage direction in PP is much better than that in materials such as HDPE. Adding 30% glass filler can reduce the shrinkage rate to as low as 0.7%. Both homopolymer and copolymer PP materials possess excellent resistance to moisture absorption, acid-base corrosion, and solvent dissolution. However, they are not resistant to aromatic hydrocarbon solvents (such as benzene) or chlorinated hydrocarbon solvents (such as carbon tetrachloride). Unlike PE, PP also lacks antioxidant properties at high temperatures.
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Miss Chen13926400876 zhenshun311@126.com
Mr. Huang13922298476 hzy1000@126.com
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