Slack wax is petroleum product; the raw material of paraffin wax, Slack wax is a mixture of oil and wax in yellow or brown color, processed by pressing to decrease the oil content and discoloring by special powders after heating to produce paraffin wax.Slack wax verifies from light to heavy grades based on its melting point.Melting point 50-52 C is categorized in light grades and 53-55 C is heavy grade .All the types of slack wax are used as blending components or waterproofing agents in the manufacture of various industrial products.

Slack wax is used in emulsions, construction board, matches, candles, rust protective products and moisture vapor barriers, polishes, inks, carbon paper and externally can be applied as good dust suppressants or controlled-release agents for various chemical and fertilizers.