Oil-Resistant Sealing Greases 7903

SINOPEC Oil-Resistant Sealing Greases 7903 are formulated from a synthetic fluid and an inorganic thickener, various well-chosen additives. According to GB/T 7631.8-90(ISO6743/9-1987), Grease 7903 can be classified as follow:7903: L-XADHA3, 7903-1: L-XBDHA3, 7903-2: L-XADHA4, 7903-3: L-XADHA2.

Features & Benefits

  • Miraculous solvent resistant performance while used as a sealant for the leak-proof of various solvents including gasoline, diesel, kerosene, alcohol, lubricating oils, liquefied petroleum gas, water etc.
  • Do not contain any heavy metal and nitrite that will do harm to human’s health and pollute environment.

Technical specification

  • Sealing Grease 7903 meets criterion SH/T 0011-90;
  • Sealing Grease 7903-1, 7903-2 and 7903-3 Meets the following performance specification: ZD -2004

Application

  • Sealing Grease 7903 is designed for sealing and lubrication of static and low speed dynamic seal of the solvent mentioned above. Sealing Grease 7903-1 is designed for the lubrication of various low speed roller and sliding bearings which may contact the solvents mentioned above. Sealing Grease 7903-2 is designed for the seal of valves on the pipelines used for the transportation of the solvents mentioned above . Sealing Grease 7903-3 is designed for the seal and lubrication of the corresponding parts of the fuel truck nozzle .
  • Application temperature range:-10ºC to 150ºC.

Typical Properties

Items Typical Properties Test Method
7903 7903-1 7903-2 7903-3
Appearance Smooth sticky buttery Visual
1/4 Un-Worked Cone Penetration,

0.1mm

62 60 37 73 ASTM D217
Dropping Point, ºC 250 ASTM D2265
Solvent Resistant Test Pass Self-built

Attentions

  • Prevent water and impurities during storage and transportation.
  • Do not mix with other type of grease.
  • Do not heating before use.