He aha te High Density Polyethylene
Te polyethylene kiato teitei (HDPE), te paura ma, te hua kirikiri ranei. Kore-paitini, te reka, te tioata o te 80% ki te 90%, te waahi ngohengohe o 125 ki te 135°C, whakamahia te mahana ki te 100°C; he pai ake te pakeke, te kaha me te ductility i te polyethylene iti; te mau atete, te hiko Te maataki pai, te pakari me te atete makariri; te pumau matū pai, he kore e rewa i roto i tetahi whakarewa pararopi i te pāmahana rūma, te aukati waikura o te waikawa, te alkali me nga momo tai; te uruhanga kiriata angiangi ki te kohu wai me te hau, te whakauru wai Iti; He iti te kaha o te atete ki te koroheketanga, ko te kaha o te awangawanga o te taiao e kore e rite ki te polyethylene iti kiato, ina koa ko te waiariki waiariki ka whakaiti i tana mahi, na reira me taapiri atu nga antioxidants me nga kaihoroi ultraviolet ki te kapia hei whakapai ake i tenei ngoikoretanga. Ko te kiriata polyethylene kiato teitei he iti te wera o te wera i raro i te ahotea, no reira kia tupato ki te tono.
[Ingoa Ingarihi] High Density Polyethylene[Whakapototanga Ingarihi] HDPE
[Ingoa noa] Ethylene pehanga iti
[Kotahi monomer] Ethylene [Ngā āhuatanga taketake] Ko te HDPE he papanga ware pi ma puatakore me te taumaha motuhake he mama ake i te wai, he 0.941~0.960 te taumaha motuhake. He ngohe, he uaua, engari he uaua ake i te LDPE, he paku totoro hoki, he kore paitini me te reka.
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