Description：Rosin itself is not very toxic to the human body, but it often contains heavy metals such as lead and toxic compounds.
Introduction
Description：Resin is a type of substance secreted by many plants during normal growth, often mixed with volatile oils, tree roots, organic acids, and other substances in the plant body.
Introduction
Description：Paraffin wax, also known as crystalline wax, is a non-polar solvent that is soluble in gasoline, carbon disulfide, xylene, ether, benzene, chloroform, carbon tetrachloride, naphtha, and other solvents···
Introduction
Description：Curing agent, also known as hardener, curing agent or modifier, is a type of substance or mixture that enhances or controls the curing reaction.
Introduction
Description：For laundry care products (or laundry companions), pour in an appropriate amount of fragrance beads while washing clothes, and leave a lasting fragrance on the clothes after washing.
Introduction
Description：A machine used for making chocolate granules. It can heat and melt chocolate blocks or chocolate chips, and then use a special device inside the machine to make chocolate liquid into particles of vari···
Introduction
