Pounamu wai Tohu PET Resin(PET)
Whakataki Hua
He pai nga maramara polyester pounamu wai mo te hanga i nga ipu kapi mo te wai parakore, te wai kohuke taiao, te wai makuku, te wai inu, te whakakakahu me nga ipu monamona, te pounamu whakapaipai me nga papanga PET etc.
Ko te waitohu o te hua e whakaatu ana i te iti o te ihirangi konganuku taumaha, te iti o te ihirangi o te acetaldehyde, te uara tae pai, te pokey pumau.Ma te tunu kai ahurei me te hangarau whakangao matatau, kei te hua nga ahuatanga tukatuka pai, te iti o te pāmahana tukatuka, te whanui o te tukatuka, te tino marama me te teitei o te reiti hua.I roto i te hanga ipu, he iti te paheketanga o te hua me te iti o te acetaldehyde.Ahakoa te whakarite i te haumaru me te akuaku, ka taea e ia te pupuri i te reka ahurei o te wai para, te wai kohuke me te wai matutu.
Taurangi Hangarau
Ttem | Waeine | Taurangi | Tikanga whakamatautau | |
Viscosity Intrinsic (Hokohoko Tawahi) | dL/g | 0.800±0.02 | GB17931 | |
Te ihirangi o te acetaldehyde | ppm | <1 | Korehau hau | |
Uara tae | L | — | >82 | HunterLab |
b | — | <1 | HunterLab | |
Rōpū mutunga carboxyl | mmol/kg | <30 | Te titration Photometric | |
Te rewa | °C | 243 ±2 | DSC | |
Te ihirangi wai | Wt% | <0.2 | Tikanga taumaha | |
Te puehu paura | PPm | <100 | Tikanga taumaha | |
Wt.o 100 maramara | g | 1.55±0.10 | Tikanga taumaha |
Nga Tikanga Tukatuka Tikanga
Me whakamaroke i mua i te tukatuka rewa kia kore ai te kapia mai i te hauwai.tikanga whakamaroke angamaheni ko te pāmahana rangi o 160-180°C , 4-6 haora te wa noho, te pāmahana ira tohau i raro -40 *C .
Paemahana oko angamaheni e pā ana ki 275-293°C.