价格:未填
供应:99999
发货:3天内
No. Item 1st-grade 1 Hydrolysis,%mole/mol 99.0+1.0 2 Volatileness,% 8.0 3 Viscosity,mPa.s 28.0+4.0 4 Ash,% 1.0 5 pH 6-9 CASNo:9002-89-5 ChemicalFormula š[C2H4O]n Physicalproperties:Polyvinylalcoholisawhitesolublehigh-molecularcompound,notsolubleinordinaryorganicsolvents.Itisawhitesolidintheformofflakes,withexcellenttensilestress,mouldability,impactstrength,wearresistanceandexcellentelectricalinsulation. Type šPowder 1799 Powder 2099 Powder 2488 Powder 1788 Powder 0588 Packing š25kgPPbag Majorapplications:Usedasrawmaterialtoproducecoatingmaterialandadhesivesetc.alsotoproducepulpfinishingagent,soilameliorator,filmandpolyvinylbutyraletc.