1, Cov khoom sib txawv
PPR yeeb nkab feem ntau yog ua los ntawm copolymer polypropylene, yog li PPR yeeb nkab tseem hu ua hom peb polypropylene yeeb nkab, thaum PVC yog ua los ntawm polyvinyl chloride cov ntaub ntawv, installation ntawm PPR yeeb nkab yog feem ntau kub fusion, PVC yeeb nkab feem ntau glued ua ke.
2, kev ua haujlwm sib txawv
ppr yeeb nkab tej yam kuj, toughness, pvc yeeb nkab huab cua kuj, stability
3, phab ntsa thickness txawv
PPR yeeb nkab phab ntsa thickness, PVC yeeb nkab phab ntsa nyias. Thiab PPR yeeb nkab toughness yog zoo, nyob rau hauv tib txoj kab uas hla, PPR yeeb nkab phab ntsa kom thicker.
4, tus nqi sib txawv
Tus nqi tsim khoom ntawm ppr yeeb nkab yog siab dua pvc yeeb nkab, yog li tus nqi kim dua.
5, Kev siv sib txawv
PPR yeeb nkab yog siv los ua cov yeeb nkab inlet, cov yeeb nkab dej txias thiab cov yeeb nkab dej kub. pvc yeeb nkab yog siv rau hluav taws xob xaim los ntawm cov phab ntsa thiab cov kav dej phwj tuaj.