The goods of 12-Hydroxy Stearic Acid is a castor oil derivative product, no chemicals. The appearance is normally in flake form, but we can process it into powder. No smell, Non-toxic. When it is "working", it will not release gas, no smell. It relies on its high solidification point. The process of solidifying the oil is a physical process. It contains trace amounts of ricinine. It uses its high solidification point to solidify the residual cooking oil in the pot after eating, making it easier to handle, transport and store.

CAS 13463-41-7 ​Pyrithione zinc, also commonly known as zinc pyrithione, short name ZPT. Sodium pyrithione is currently the most effective water-soluble industrial mildew preservative, with high efficiency, broad spectrum, low toxicity and stable aqueous solution.