Nwalee ihe | Ụlọ ọrụ | Nlele ọkọlọtọ | PA-20 |
ọdịdị | —— | —— | Ọcha ntụ ntụ |
Njupụta elu | g/cm3 | GB/T 1636-2008 | 0.45± 0.10 |
Ihe fọdụrụ na sieve (ntupu 30) | % | GB/T 2916 | ≤2.0 |
Na-agbanwe agbanwe | % | ASTM D5668 | ≤1.3 |
viscosity dị n'ime | —— | GB/T 1632-2008 | 3.00± 0.20 |
ACR na PVC nwere polarity yiri nke ahụ, nnukwu mmekọrịta yana ezigbo ndakọrịta, yana njirimara ọrụ ya bụ:
1. Na nhazi okpomọkụ, ọ nwere ike ịkwalite synchronous na edo plasticization nke PVC ihe, melite thermal kwụsie ike, n'ụzọ dị irè gbochie mpaghara coking nke ihe, belata nhazi ịkpụzi okpomọkụ, ebelata plasticization oge, na melite mmepụta arụmọrụ.
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2. Meziwanye mmiri nke ihe PVC dị mma, na-akwalite nhazi nke ọma, na-amụba mkpụrụ nke ngwaahịa, ma belata ihe eji arụ ọrụ nke igwe nhazi.
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3.Significantly belata ntinye nke ihe mgbakwunye dị iche iche n'elu igwe, ma mee ka ọdịdị nke ngwaahịa gwụchara ma ọ bụ ngwaahịa gwụchara dị ka ire ụtọ.
A na-ejikarị ngwaahịa a maka ngwaahịa transperent PVC dị ka ihe nkiri PVC na mpempe akwụkwọ PVC. Enwere ike iji ya na ngwaahịa ndị na-emepụta ụfụfụ PVC.
25kg/akpa. A ga-edobe ngwaahịa ahụ ọcha n'oge njem, nbudata na nbudata iji gbochie ikpughe na anyanwụ, mmiri ozuzo, oke okpomọkụ na iru mmiri, na iji zere imebi ngwugwu. A ga-echekwa ya n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na-enweghị ìhè anyanwụ kpọmkwem yana na okpomọkụ na-erughị 40oC ruo afọ abụọ. Mgbe afọ abụọ gachara, a ka nwere ike iji ya mee ihe mgbe ọ gafechara nyocha ọrụ.