Nlgi Urea Base Grease
This product is of great capabilities including excellent high temperature performance, water resistant, colloid stability, oxidation stability, mechanical stability, and pump ability, etc. No irritating smell, innoxious and comply with the environmental needs.
Applicable between -20ºC and +200ºC, for lubrication of various friction parts in the continuous casting machine, including the bearings, charging roller table, shear bearing, ear bearing of furnace, gear and bearing in ladle turning tower, etc.
|Item||Unit||Typical Values||Test Method|
|Worked cone penetration||0.1mm||310~340||265~295||GB/T 269|
|Dropping Point||ºC ≥||275||280||GB/T 3498|
|Oil separation by steel mesh||100ºC, 24h % ≤||1.8||1.5||SH/T 0324|
|Corrosion||(T2 sheet copper, 100ºC, 24h) ≤||No green or black change||GB/T 7326 ( Method B)|
|Evaporation||(99ºC, 22h) % ≤||0.8||0.6||GB/T 7325|
|Sprinkling loss||(38oC,1h)% ≤||3||3||SH/T0109|
|Similar Viscosity||-10ºC,10s-1, Pa·s||450||700||SH/T0048|
|Four-ball test||PB N |
Operation Temperature range
1. This product is NO poisonous; no need special protection different from general greases.
2. 1# suitable for centralized lubricating system, 2# suitable for hand stuffing. No need to clean the lubricating system for centralized lubricating system, added this product, discharge the original grease, until new grease discharged.