Cov ntaub ntawv ntawm PPR kav

Cov khoom ntawm PPR yeeb nkab yog polypropylene random copolymer (PP-R), uas yog cov khoom siv thermoplastic. PP-R yog npaj los ntawm kev qhia randomly faib propylene monomers rau hauv cov saw hlau polymer, muab nws zoo heev thermoplasticity thiab tshuaj tiv thaiv. Cov khoom no yog siv dav hauv cov kav dej, tshwj xeeb tshaj yog nyob rau hauv cov dej kub thiab dej txias.