For PPR mold, common will be the shrinkage problem due to its thick wall thickness.
Please contact me, if you prefer to get the best quality PPR fittings mold from Taizhou, China. We Focare Mould supply you quality and delivery.
Check pipeline molds we made for your judge about our knowledge. Email me, to see our communication and services supplied.
Lucia
lucia@yueyimold.com