SINOPEC Sealing Grease 7607 for Pneumatic Brake System is a high-performance grease which combines a synthetic base oil with several soaps thickener. According to GB/T 7631.8-90(ISO6743/9-1987), Grease 7607 can be classified as L-XDBEA1.
Features & Benefits
· Very low oil bleeding tendency
· Excellent compatibility with butyl rubber
· Outstanding high and low temperature performance
· Optimum protection against rust and corrosion
· Exceptional resistance to high temperature degradation
· 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 142-2004
Application
· Grease 7607 is designed for lubricating and sealing applications between rubber piston ring and cylinder in heavy-duty automotive pneumatic brake system.
· Application temperature range: -50ºC to 120ºC, 150ºC in short-term.
Typical Properties
| Items | Typical Properties | Test Methods |
| Appearance | yellow to brown smooth buttery | Visual |
| Dropping Point,ºC | 200 | ASTM D566 |
| Worked Cone Penetration, 0.1mm | 320 | ASTM D217 |
| Evaporation Loss (150ºC,1h),% | 1.2 | ASTM D972 |
| Copper Corrosion (T2Cu ,120ºC,3h) | Pass | JIS K 2220.5.5 |
| Apparent viscosity (-40ºC,10s-1),Pa·s | 988 | ГОСТ7163 |
| Water Washout (90ºC, 1h),% | 5.0 | ASTM D1264 |
Attentions
· Prevent water and impurities during storage and transportation.
· Do not mix with other type of grease.
· Do not heat before using.