The abbreviation code of polyethylene is the English letter PE;
The abbreviation code of polypropylene is the English letter PP;
The abbreviation code for propylene polymer type is:
H- propylene homopolymer;
R- propylene random polymer;
B- propylene block polymer;
The main uses, processing methods, important properties and additives of the materials are coded with corresponding English letters. This product catalog has at most four code names and at least one code name. The codes are arranged from left to right, and are called first, second, third and fourth in turn. Indicate the main use or processing method of the material in the first place, and the important properties and additives in the second to fourth places.
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