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Ntupu ihuenyo dị mma nke polyurethane
Nkọwa ngwaahịa Polyurethane mma ihuenyo ntupu bụ nke polyurethane mpempe akwụkwọ nwere elu ihuenyo elu. Ntupu ihuenyo dị mma nke polyurethane bụ nguzogide abrasion na ndụ ọrụ dị ogologo karịa ntupu ihuenyo na-ama jijiji. Ọzọkwa, ihe onwunwe nke mgbochi kpuo ìsì na-eme ka o kwe omume ikpuchi ihe ndị a na-ewere dị ka ihe siri ike ma ọ bụ na-agaghị ekwe omume enyo na mbụ. Ntupu ihuenyo ọma nke polyurethane nwere oghere dị oke mma nke dị mma dịka 0.075mm, nke dabara maka wi...
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