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Magna MGX Range Circulating oils Description Castrol Magna™ MGX circulating oil range are based upon high quality solvent-refined mineral oils ａnd performance enhancing additives. The Magna MGX range provides high oil film strength, outstanding rust protection, antiwear, antiscuff, anti-oxidation ａnd water separating properties. Application Magna MGX circulating oils are engineered for use in MORGOIL™ back-up roll bearing systems such as those manufactured by Morgan Construction Company, Danieli, SMS Demag ａnd others. These oils meet or exceed: Morgoil Lubricant Specification Rev. 1.1 (27 Jan 2005) Danieli Standard 0.000.001 Rev 14 Magna MGX 88 is also recommended for high speed No-Twist™ Rod Mills with a single lubricant circulating system. In No-Twist Rod Mills having two lubricating systems, the higher viscosity grades are used in the low speed roughing stands ａnd the lighter grades in the higher speed finishing stands. The higher viscosity grades of this product are also very suitable to be used as paper machine lubricants, due to the high thermal/oxidative stability, as well as the outstanding performance in rust protection, water separation ａnd wear/scuffing protection. In such applications, it functions as a joint bearing/gear lubricant in most lubricating points, including the rolling bearings of the driers. Magna MGX circulating oils are also suitable for use on other primary mill ａnd mini-mill bearing application systems. Advantages High viscosity indices. Excellent oxidation stability permits extended oil life. Exceptional hydrolytic stability in presence of moisture contamination. Excellent filterability in wet conditions. Excellent water separation properties. Good rust protection properties ａnd low copper corrosion tendency. High film strength ａnd outstanding anti-wear properties to provide high protection against bearing wear ａnd gear scuffing under severe loading conditions. Low carbon forming tendency minimises bearing deposits ａnd helps to maintain oil cleanliness under severe operating conditions. Efficient filtration with all types of filters, including those using fuller＇s earth as filtering medium. Page 1 of 2 Typical Characteristics Name Method Units 88 320 460 680 ISO Viscosity Grade - - 100 320 460 680 Density @ 15°C / 59°F ISO 12185 / ASTM D4052 kg/m³ 880 900 900 900 Kinematic Viscosity @ 40°C / 104°F ISO 3104 / ASTM D445 mm²/s 100 320 460 680 Kinematic Viscosity @ 100°C / 212°F ISO 3104 / ASTM D445 mm²/s 11.3 24.6 31.2 38.6 Viscosity Index ISO 2909 / ASTM D2270 - 98 96 96 >90 Pour Point ISO 3016 / ASTM D97 °C/°F -21/-6 -15/5 -12/10 -9/16 Flash Point - open cup method ISO 2592 / ASTM D92 °C/°F 240/464 250/482 250/482 260/500 Flash Point - closed cup method ISO 2719 / ASTM D93 °C/°F 220/428 226/439 226/439 230/446 Foam Sequence I - tendency / stability ISO 6247 / ASTM D892 ml/ml 10/0 0/0 0/0 0/0 Foam Sequence II - tendency / stability ISO 6247 / ASTM D892 ml/ml 35/0 25/0 10/0 20/0 Foam Sequence III - tendency / stability ISO 6247 / ASTM D892 ml/ml 0/0 0/0 0/0 0/0 Water Separation @ 82°C / 180°F (40/37/3) ISO 6614 / ASTM D1401 min 5 15 15 15 Rust test - distilled water (24 hrs) ISO 7120 / ASTM D665A - Pass Pass Pass Pass Rust test - synthetic seawater (24 hrs) ISO 7120 / ASTM D665B - Pass Pass Pass Pass Copper corrosion (3 hrs@100°C/212°F) ISO 2160 / ASTM D130 Rating 1a 1a 1a 1a Oxidation Stability - Rotating Pressure Vessel testASTM D2272 / IP 229 min 330 286 261 - Four Ball Weld Load test - Weld Point ASTM D2783 kgf 160 160 160 160 Four Ball Weld Load test - Load Wear Index ASTM D2783 kgf 39.6 40.8 40.3 40.5 Four Ball Wear test - Wear Scar Diameter ( 15 or 40 kgf / 75°C / 1200 rpm / 1 hr) ASTM D4172 mm 0.38 0.45 0.47 0.44 FZG Gear Scuffing test - A/8.3/90 ISO 14635-1 Failure Load Stage 12+ 12+ 12+ 12+