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vitro-lube npi-425
物品单位 品牌
vitro-lube
  • 发布日期: 2018-05-17
  • 更新日期: 2020-05-07
产品详请
EINECS编号 vitro-lube npi-425
品牌 vitro-lube
耐洗擦性 1
英文名称 vitro-lube npi-425
颜色 BLACK
CAS编号
别名 vitro-lube npi-425
保质期 12个月
分子式 vitro-lube npi-425
耐水性 1

This lubricant contains MoS2, and other lubricating pigments in a polymide high temperature resin and was developed by Midwest Research Institute, Kansas City, Missouri in connection with a contract with the NASA Marshall Space Flight Center, Huntsville, Alabama. NPI has been licensed by MRI to formulate, apply and market this lubricant since 1968. This lubricant was developed for use at temperatures up to +500°F and in hard vacuum environments. NPI-425 has excellent wear life, having 3 to 5 times longer wear life than MIL-L-8937 lubricants at room temperature and 5 to 10 times longer at 450 F. It passes ASTM E595 outgassing requirements and is radiation resistant. The nominal thickness of this lubricant is 0.0002 to 0.0004 inches and is cured for 1 hour at +300°F followed by 1 hour at +575°F and, therefore, would not be considered suitable for use on some metallic substrates such as aluminum. Tests have shown, however, that acceptable performance can be obtained by increasing the +300°F cure time to 5 hours and eliminating the +575°F cure procedure. Tests also show that this lubricant has a very constant and low coefficient of friction compared to other lubricants.