One drum contains 50kgs. Hydrogen peroxide is used in dyeing and many other uses. As flour quality improver, it has bactericidal effect and strong oxidation effect, and can make flour bleach. Benzoyl peroxide is a strong oxidant with strong bleaching effect. It can bleach white wax, cosmetics and flour. At the same time, it also increases the processing gluten of flour, but this effect is weak and can be replaced by flour improver. Therefore, the main function of benzoyl peroxide is to whiten flour.