High-Vacuum Silicon Grease 7501

SINOPEC High-Vacuum Silicon Grease 7501 is formulated from a synthetic silicon fluid and an inorganic thickener and various well-chosen additives. According to GB/T 7631.8-90(ISO6743/9-1987), Grease 7501 can be classified as follow:L-XDGEA3.



Features & Benefits

  • Outstanding material compatibility

  • Miraculous airtightness performance

  • Excellent resistance against bromine, water and other chemical fluids.

  • Do not contain any heavy metal and nitrite that will do harm to human’s health and pollute environment.

Technical specification

  • Meets the following performance specification: Q/SH303 139-2004.


  • Grease 7501 is specially designed for the lubrication and sealing applications such as glass pistons and joints in vacuum systems.

  • Application temperature range:-40?C to 200?C.

Typical Properties

ItemsGrease 7501Test Methods
Appearancewhite  smooth butteryVisual
1/4Worked Cone Penetration,0.1mm50ASTM  D217
Evaporation Loss(200?C,1h),%0.7ASTM  D972
Apparent viscosity(-40?C,10s-1),Pa·s588ГОСТ7163


  • Prevent water and impurities during storage and transportation.

  • Do not mix with other type of grease.

  • Do not heat before using.

XML 地图 | Sitemap 地图