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Item | Quality index | Testing method | ||||
2# | 2# | 3# | ||||
Appearance | Yellow smooth uniform ointment | Visual inspection | ||||
Working penetration, 0.1mm | 275 | 238 | GB/T269 | |||
Drop point,℃ ≧ | 270 | 280 | GB/T4929 | |||
Corrosion(T2 copper sheet 100℃,24H) | No green or black change of copper sheet | GB/T7326 | ||||
Oxidation stability(100℃,100h,0.77Mpa) ≦ | 0.055 | 0.055 | SH/T0325 | |||
Steel wire mesh oil seperation(100℃,24h) / % ≦ | 1.8 | 1.3 | SH/T0324 | |||
Evaporation capacity(180℃, 1h)/% ≦ | 1.5 | 1.5 | SH/T0337 | |||
Water washout (38℃,1h)/% ≦ | 1.8 | 1.4 | SH/T0109 | |||
Corrosion resistance(52℃,48h) | Qualified | Qualified | GB/T5018 | |||







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