... for you testing quality free charge . Type ItemIndexViscosity (or K Value) , ml/g118-107(68-66)Number of impurity particle, pieces30maxVolatiles ... mesh2.0max0.63mm mesh90minNumber of grain entries/400cm2, pieces40maxPlasticizer absorbency value of 100g resin, g17minWhiteness(160.10min after ), %75minResidual Vinyl Chloride ... Ethylidene chloride content , mg/kg150max PVC RESIN SG-5 K VALUE 66-68