欧洲午夜福利视频在线观看,老司机电影网你懂的,再深点灬舒服灬太大了O,无码激情做A爰片毛片A片小说,亚洲精品久久久久中文另类,大尺度激情做爰A片纯真时代,天天看片AV色综合,日本精品巨爆乳无码大乳巨H,日日噜噜夜夜爽爽,人人爽久久久噜噜噜婷婷

Products

products

SF-2 boundary lubrication lead-free material

  • parameters

SF-2 boundary lubrication lead-free material, which has the advantages of low friction coefficient, good wear resistance and long service life. Since the product does not contain lead, the product can be used in places with high environmental protection requirements such as food machinery.


Maximum load pressure: 70N/mm2

Friction coefficient: 0.04~0.20

Applicable temperature: -40 ° C ~ 130 ° C