potassium hydroxide,potassiumiodide

high quality 90% potassium hydroxide with iso9001
faxtory caustic potash koh potassium hydroxide flakes 90% 1310
产品描述:中文名称:氢氧化钾英文名称:potassiumhydroxide中文名称2
food grade potassium hydroxide with factory price
best price for white flakes potassium hydroxide/caustic potash