Menene Rufin Polyurea da Rufin Polyurethane

Rufin Polyurea da Rufin Polyurethane

Polyurea shafi

Polyurea shafi ne m tsarin guda biyu dangane da Amine ƙare prepolymer crosslinked tare da Isocyanate wanda ya samar da urea linkages. Haɗin kai tsakanin polymers masu amsawa yana faruwa a cikin sauri cikin sauri a yanayin zafi. A al'ada wannan dauki ba ya buƙatar kowane mai kara kuzari. Tun da Pot-ray na irin wannan rufi ne a cikin dakika; na musamman na Plural Ana buƙatar gunkin fesa sashi don aiwatar da aikace-aikacen.

Rubutun na iya gina kauri har zuwa 500 zuwa 1000 microns a cikin aikace-aikacen guda ɗaya. Saboda irin wannan babban kauri yana ba da kyakkyawan juriya na sinadarai da abrasion. Koyaya, kadarorin da ake so ya dogara da yawa akan shirye-shiryen saman abin da za a rufe. Ana ba da shawarar yashi fashewa ko fashewar ƙasa kamar yadda daidaitaccen hanya [misali, Sa 2½, SSPC-SP10/NACE No.2] zuwa kusa da farin ƙarfe. Duk da irin wannan kauri mai girma har yanzu yana ba da kyakkyawan sassauci; elongation [kusan 300%] da ƙarancin permeability. Aikace-aikacen yau da kullun ya haɗa da kankare galibi a cikin rami na ruwa inda ruwa mai ƙarfi ke wucewa tare da babban gudu da matsa lamba, rufin tanki, shimfidar masana'antu da tsarin ƙarfe daban-daban.

Polyurethane Coating

Rufin polyurethane yana ba da fim na bakin ciki, babban ƙyalli mai ƙyalli tare da halaye na musamman na yanayin yanayi. Ana amfani da wannan shafi a kusan duk kasuwannin masana'antu don samar da ƙarancin ƙarewa mai ɗorewa wanda ke da mafi girman juriya ga lalata, abrasion, da bayyanar sinadarai. Ana amfani da polyurethane akai-akai don ɗaukar babban ginin epoxy da zinc inorganic.