Black rubber elevator belts are built up of polyester yarns in the warp (longitudinal) and nylon yarns in the weft (transverse) directions.The standard ranges include nbr and sbr. Type 1: nbr.Technical specifications: Application: nbr nitrile provides good resistance to oil and fat. Suitable for products containing oil and fat up to 80 Celsius degrees Covers: nbr 100% nitrile butadiene synthetic rubber Carcass: polyester fabric warp and polyamide fabric weft plies (EP) separated by 0.3mm thick synthetic rubber laminates of 100% nitrile Temperature range: 20 Celsius degrees below zero 80 degrees Celsius Standard: din 22102Type 2: sbr Technical specification Application: sbr offers goods abrasion resistance. Suitable for oil and fat free products up to 70 degrees Celsius Covers: sbr styrene butadiene rubber Carcass: polyester fabric warp and polyamide fabric weft plies (EP) separated by 0. 3mm thick synthetic rubber laminates of sbr Temperature range: 20 Celsius degrees below zero 70 degrees Celsius Standard: din 22102Special ranges like flame retardant, anti-static and oil resistant belt can be made according to your request.