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
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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.
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Do not contain any heavy metal and nitrite that will do harm to human’s health and pollute environment.
Technical specification
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Sealing Grease 7903 meets criterion SH/T 0011-90;
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Sealing Grease 7903-1, 7903-2 and 7903-3 Meets the following performance specification: ZD -2004
Application
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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 .
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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
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Prevent water and impurities during storage and transportation.
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Do not mix with other type of grease.
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Do not heating before use.