polyurethane adhesive is a type of adhesive consisting of two parts and free of solvents, part one which is an adhesive material, which constitutes the largest volume and is used at a rate of not less than 85%, and the other part is the drying or hardening material and is used at a rate of 15% or less depending on the application used. This type of adhesive is widely used in various fields such as bonding glass, wood, metals, plastics and artificial grass. This adhesive is characterized by its strong bonding and binding and has several colors such as green, black, gray and white. Buyformula website will teach you how to make two component polyurethane adhesive with economic raw materials. Formulas are available in PDF format file, that described in technical English language. Formula file contain 3 different formulas.