日日日日日超碰,天天干天天操美女,国产玖玖精品视频,夜夜干视频,99热国产电影,人妻精品久久久久久久,新村明电影在线观看免费版高清,女人麻豆国产久久精品,美女诱惑视频,人人爽人人摸

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