Jan 06, 2013
Chinese Gum Rosin in X and WW grade
Specifications: Grade Name of specificationsXWWAppearanceTansparent SolidColourSlightly YellowPale YellowCorrespond to Standard Glass Colour Piece of RosinSoftening Point(R&B) min °C7676Acide Value, mgKOH/g, min166166Alcohol...