1、JG/T5035-93续表100mL油液内所含的颗粒数围号大范于至326461632581683242210.510.250.5%10101.68421042220L.3161.6151021084213中国味1010521387651.610-8443?210-2101520额粒尺寸,um图1清洁度编码的图解表示注:只许在大于5um和大于15um之间内插,不许外推3JG/T5035-934.4如果需要表示不只是大于5um和15um颗粒的清洁度等级,还有其他尺寸范围颗粒的清洁度等级,则必须注明相应的颗粒尺寸范围。示例:颗粒尺寸范围:5/15/25/50/1005/15/25/50/100颗粒数
2、范围号:18/13/9/6/318/13/9/6/3此时表示100mL油液内大于5um的颗粒数为13010325010(18级);大于15um的颗粒数为41038103(13级);大于25um的颗粒数为250500(9级);大于50um的颗粒数为3264(6级);大于100um的颗粒数为48(3级)。5B分级制5.1B分级制规定固体颗粒污染物分5个尺寸范围,每100mL油液内,每个尺寸范围的污染物颗粒数各分为18级,表示清洁度等级,见表2。表2B分级制固体污染清洁度等级(每100mL油液内的颗粒数)颗粒尺寸范围um等级51515252550501001000012522100250448201
3、50089163121000178326132000356631124400071212622458000142525345616000285050690167320005700101218032864000114002025360649128000228004050720128102560004560081001440256115120009120016200288051212102400018240032400576010241320500003600006500011520204814410000073000013000023000409615817000014600002560004600081921616340000292000051800092200163844