dedicated starch for gypsum board 1,economy 2,comptitive price 3,high quality 4,environment protection product description Gypsum board adhesive is modified starch that is produced by oxidizing of corn starch .product featureBase: oxidized corn starchAppearance of raw material: powder of white color with brown inclusions.Dissolving: soluble after heating of water suspension, pH 10% (m|m) ...