SO2991 （so2991）
Main Roles Ingredients Chemistry wt %  
Lubricant Mineral Oil 78.42
Triethanolamine 0.50
SmartLub 3699 Emulsifiable TMP Ester 0.30
Emulsifier SmartLub 3250 Diisopropanolamide 4.10
Smart Base S1215C Universal Emulsifier Package 5.00
Smart AOA Animal Based Oleic Acid 2.90
Smart Base 3350 C16-C18 Fatty alcohol alkoxylate 0.70
Span 80 Sorbotan oleate,emulsifier 2.70
Rust Preventive Smart Base RP3393 Borate Ester Based Rust Preventive 0.85
Smart Base RP9090 Carboxylat salt package 1.10
Corrosion Benzotriazole 0.03
Anti-wear Additive SmartPhos P7800 Phosphate Ester 1.15
Coupling Agent Hexasol 2-Methyl-2, 4-pentanediol 0.15
Biocide package SmartCide BK983 Formaldehydde Containing Compound 0.45
Biocide package Dicyclohexylamine Dicyclohexylamine 0.40
pH Stabilizer Synergex 0.15
Defoamer FoamQuer 8617 0.10
Couple/Dilution Water 1.00
Total:100.00

Performance Evaluation
Test Items Test Results Test Methods
pH (10% Dilution) 8.36 pH Meter
Refractometer Reading (10% Dilution) 9.6 Refractometer
Defoaming Test(10MIN≤2mL) Pass GB/T6144
Copper Corrosion Test 55±2℃1 Grade A GB/T6144
Aluminum Corrosion Test 55±2˚C1 Grade A GB/T6144
Monolithic Anti-rust Test 35±2˚C, 24 hr Grade A GB/T6144
Wear Scar 1200rpm, 40kg, 60min, mm 0.560 4-Ball Wear Machine
Drilling Testing2 82 CNC
Microtap Test 3 135(5%), 130(10%) ASTM D5619-00 (2011)

 

  1. Soaked thoroughly for 4 hr.
  2. Average no. of hole drilled in 15tests.
  3. TTT System G8,Material:3.4365M4F,Speed:1500rpm,Depth 8mm,Max.Output Torque 400Ncm.

 

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  (1) Fully Synthetic Fluids  SA6991    (2) Semi-synthetic Fluids  EP3691    (3) Soluble Oils  SO2991    (4) Micro-emulsion  SanSol ME2992  SanSol ME2993