The information we provide for the use of our product is derived from tests performed of our direct experience, but must be regarded as just indications of use and not a formal guarantee. In case of a defective product which is then ascertained the defect, our liability is limited only to the purchase price of that product. We don't assume any responsibility for any damage arising from the use of implicit or explicit product that is out of our direct control. It is recommended to the user of the product to perform a preliminary test before application itself. The warehouse workers, the polishers and anyone who uses the product is responsible for it.