... Package:25kg/bag 4,Appearance:white or light yellow powder 5,ISO9001:2000ceritificate 1,We are the manufacturer in China2, ... ISO9001:2000,ISO14001 certification3,The reasonble price4,The superior service 5,Products Properties ItemHydroxy Ethyl CelluloseCAS No.9004-62-0Appearancewhite or ... 5heavy metal(ug/g)20 maxash content %5 maxdynamic (mpa.s)2% aqueous solution(20°C)5-60000Pb %0.001 max 7,Package ...