Polyvinyl barasa (PVOH, PVA, ko PVAL) a cikin ginin
Abubuwan Jiki
Bayyanar | Bambanci mara launi mara-caking marasa ƙazanta | Bambanci mara launi mara-caking marasa ƙazanta |
Digiri na Alcoholysis% (mol/mol) | 86.5 ~ 88.5 | 87.4 |
Dangantakar mPa.s | 45.0 ~ 55.0 | 50.2 |
Ƙunshi mara ƙarfi % | ≤ 5 | 2 |
Abubuwan Ash | ≤ 0.5 | 0.2 |
PH | 5 ~ 7 | 5 |
160 mesh wucewa% | ≥95 | 99% |
Aikace-aikace
Ana amfani da PVA Polyvinyl barasa azaman taimako a cikin dakatarwar polymerizations. Babban aikace-aikacen sa a China shine amfani da shi azaman colloid mai kariya don yin tarwatsawar polyvinyl acetate (RDP). A Japan babban amfani da shi shine samar da fiber na vinyl.
Ana amfani dashi ko'ina a cikin Manna, bangon putty/Skim Coat, Tile adhesive/Tile grout ects.
PVA na iya narke da sauri, har ma a cikin ruwan sanyi. Bayan fim ɗin PVA ya narke, kowane nau'in ƙwayoyin cuta guda 55 da ke cikin tsarin kula da ruwa na iya rushe abin da ya rage na narkar da fim ɗin.
Marufi da Ajiya
An cika samfurin a cikin jakunkuna masu yawa na takarda tare da rufin polyethylene na ciki. Net nauyi 25KG. Za a iya sake yin fa'ida ko ƙone buhunan da babu kowa. A cikin jakunkuna marasa buɗewa, wannan samfurin na iya ɗaukar shekaru da yawa. A cikin buhunan buɗaɗɗen, damshin wannan samfurin zai yi tasiri ta hanyar iska.
Ajiye a wuri mai sanyi da bushe, kauce wa hasken rana. Ya kamata a guje wa ajiya a ƙarƙashin matsin lamba.
Duba MSDS don bayani kan sarrafawa, sufuri, da ajiyar samfur.
Shiryawa da lodi Qty
NW.: 25KGS / BAG ciki tare da jakunkuna na PE
20' FCL: 520BAS=13TON
40' HQ: 1080BAGS=27TON
Bayarwa: 5-7days
Ikon bayarwa: 2000Ton / Watan