Taupānga Hua:
1.Hot rewa whakapiri. Te teitei o te pāmahana me te iti o te pokey ki te whakapai ake i te rerenga o te whakapiri wera wera, te whakarei ake i te tohu o te whakaurunga o te mata hono, te whakapai ake i te rewa, te iti o te mate o te waiariki ka taea te whakapai ake i te aukati wera o te wera rewa piri, te pakeke teitei ka taea te whakapai ake i te kaha o te whakapiri wera rewa, he iti te wa whakatuwhera, he pai te whakamaroke tere. Ko te nui e taunakitia ana ko te 3-5%.
2. Te ahumahi PVC. Whakarato pai anti-adhesion me te whakapai ake i te wai. Ko te mahi whakahinuhinu o waho tino pai te whakaoti i te hua o te PVC hua demoulding pānga, whakaiti i te polymer molecular cohesion, te whakapai ake i te rewa kirihou me te taputapu tukatuka o te wera whakarewa mata waku whakangao wera, i roto i te whakarewa kirihou me te atanga whakarewa hanga he kahu angiangi o te whakahinuhinu. Ko te nui e taunakitia ana ko te 5-10%.