... compound.Use of alcohol as solvent, cheap, saving the cost of dry-type compound. The use of low-sex, irritation of the solvent, ... to use methanol, the purity of "95% ethanol, isopropanol as solvent. The use of low-purity solvents will cause whitish ... Public health standardsGB9685-2003 "food containers, packaging materials, use of health standards."GB15193-94 "food safety toxicology evaluation process." ...