1.Professional factory 2.Material:rubber 3.Strong technology support 4.Good quality and competitive price

Type	Mark	Rigidity	Heat resistance	Cold resistance	Oil resistance	Wear resistance
Natural rubber	NR	60	120centigrade	-50 centigrade	bad	good
Ding nitrile rubber	NBR	60	130centigrade	-10 centigrade	good	good
Polyurethane rubber	PU	60	80 centigrade	-30 centigrade	good	good

export nitrile rubber coated free roller, nitrile rubber lining conveyor free roller,nitrile rubber wrapped conveyor roller