definition of the term Agricultural Products or agroforestry product --whether natural rubber sheet is such?

Industry based on agricultural products/agro forestry based enjoy some tax relief . Tyre industry is based on natural rubber sheets (RSS) processed from natural rubber latex . The question is whether rubber is agroforestry based??The argument against us is this rubbeer sheets are manufactured from agroforestry poduct rubber latex , hence cease to be agroforestry product.