The Function And Classification Of PPR Pipe.

"PP-R pipe is also called three-type polypropylene pipe, random copolymerized polypropylene, using random copolymerized polypropylene can be extruded into pipes, and can also be injected into pipe fittings. Ethylene is the most commonly used monomer, which causes polypropylene Changes in physical properties. Compared with PP homopolymers, random copolymers have improved optical properties, improved impact resistance, increased flexibility, reduced melting temperature, and thus also reduced thermal fusion temperature; while chemically stable Properties, water vapor barrier properties and organoleptic properties are basically the same as homopolymers. It is used in extrusion, blow molding, injection molding, film and sheet extrusion processing, as food packaging materials, pharmaceutical packaging materials and daily consumer goods."

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