Polypropylene PP Granules Homopolymer Copolymer Plastic Granules
Products Description
Polypropylene PP Homopolymer and Polypropylene PP Copolymer refer to two types of polypropylene distinguished by their molecular structure and properties.
- Homopolymer polypropylene is made from a single type of monomer (propylene) in a simple, regular structure.
- Copolymer polypropylene is made by polymerizing propylene with a small amount of another monomer, usually ethylene.
Polypropylene PP Granules
Polypropylene, referred to as PP, is a polymer made of propylene by addition polymerization. It is a white waxy material with a transparent and light appearance. The chemical formula is (C3H6)n, the density is 0.89 ~ 0.91g/cm3, flammable, the melting point is 164~170ºC, it is softened at about 155ºC, and the use temperature range is -30 ~ 140ºC. It can resist the corrosion of acid, alkali, salt solution and a variety of organic solvents below 80ºC, and can decompose under high temperature and oxidation. Polypropylene is a thermoplastic synthetic resin with excellent properties.
Injection grade
| Item | Test Condition | Test Method | Value | Unit |
| MFR | 190°C/2.16kg | ASTM D-1238 | 20 | g/10min |
| Density | --- | ASTM D-792 | 0.954 | g/cm3 |
| Tensile strength at yiled | --- | ASTM D-638 | 28 | MPa |
| Elongation at break | --- | ASTM D-638 | 250 | % |
| Impact tensile strength | --- | ASTM D-1822 | 42 | kJ/m2 |
| ESCR | ASTM D-1693 | 3 | --- | |
| VACIT | --- | ASTM D-1525 | 127 | °C |
Company Profile
Gneechem is dedicated to providing you with chemical products one-stop service, foreign trade export commodity inspection dangerous package, small batch product purchase, intermediates customization, chemical raw materials price market analysis, multi-species packaged purchases, and other services, to meet the customer's needs for a variety of customized products.
FAQ
Q: How to get samples?
A: We can provide free samples of 0-5kg upon your request. New customers need to pay for express delivery, the samples are free of charge, and the cost will be deducted from the payment of the official order.
Q: About price
Please contact us for a quotation (please tell us the material, color, and quantity you need, and we will reply to you within 24 hours).
Q: Are you a trading company or manufacturer?
We are a handmade manufacturer, all materials are produced and tested by ourselves.
Q: How do we guarantee the quality?
A: We always make samples before mass production; we do final inspection before shipping;
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