... long-term and sincere cooperation.Properties: White powder, insoluble in water, soluble in hot and concentrated strong acid and alkali, having the ... porcelain enamel. 5) It can also be used in synthetic fibre, plastic, rubber, printing, dying, cosmetics, medicine fillings and food additives ... .05max 0.05 maxOil absorption (g/100g)26max 22 maxWater Soluble Matter, % 0.5max 0.2 maxSolution of acid, %0. ...