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 | Jan-03 | Feb-03 | Mar-03 | ||
Appearance | Smooth sticky buttery | Visual | |||
1/4 Un-Worked Cone Penetration, | 62 | 60 | 37 | 73 | ASTM D217 |
0.1mm | |||||
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.