Flame resistant NF EN 20340 "S" type The Belt Jet belts are flame retardant up to the heart that is to say including the carcass in accordance with ISO 340, NF EN 20340 and DIN 20340. Oil and fat-resistant. The Belt Jet belts which are rotproof, oil and fat-resistant comply with ISO 252 and DIN 22102. Durable. The Belt Jet belts which are abrasion resistant remain supple and elastic throughout use and have a significantly increased life cycle. Thicker rubber cover on the pulley face. Antistatic NF EN 20284. The Belt Jet belts are antistatic in accordance with ISO 284, NF EN 20284 and DIN EN 20284. Low temperature resisting up to -20°C. Possible temperature range : from -20°C to +110°C. Flame retardant belts are also low temperature resisting up to -20°C.