For conveyor belts up to type EP 1000/4 under low stress in temperature climates. Y 20 400 150 For conveyor belts from type EP500/3 under high stress in temperature climates. X 25 450 120 For conveyor belts from type EP 500/3 under high stress in arid, humid and alternate climates. W 18 400 90 For conveyor belts from EP 500/3 under