Issue link: http://read.dmtmag.com/i/859318
Gear Lubricants Product Data castrol.com/GPS 800 255 4417 May 2025 GPS Castrol ® Alpha™ HC EP Castrol Alpha HC EP Lubricants are a series of ISO graded, technically advanced chemistries that exceed the performance levels historically attributed to the traditional synthetic products that are available today. Castrol Isolube EP Lubricants have been formulated with carefully chosen synthetic components for excellent performance in applications requiring AGMA (American Gear Manufacturers Association) EP gear oils. e product has coupled multiple components in a formulation that provides outstanding wear protection in industrial gear sets, off-highway construction, and mining applications where consistent performance is critical. Castrol Alpha HC EP Lubricants provide exceptional oxidative and thermal stability in selected applications. Castrol Alpha HC EP Lubricants offer a unique approach to gear and system component lubrication through a focused formulation that will provide the end user with true confidence in the selected application. Industry Specifications and OEM Approvals • ANSI/AGMA Standard 9005-E02 • DIN 51517 Part 3 • AIST 224 Typical Analysis Test Method Unit 68 150 220 320 460 680 Kinematic Viscosity ASTM D445 mmÇ/s 67.8 149.2 220.8 319.4 458.2 704.0 @40°C/100°F Kinematic Viscosity ASTM D445 mmÇ/s 10.4 18.9 25.6 32.3 41.2 62.2 @100°C / 210°F Viscosity Index ASTM D2270 -- 140 143 148 141 139 156 Timken OK Load test ASTM D2509 kg/lb 34/75 34/75 34/75 34/75 34/75 34/75 FZG Gear Scuffing ASTM D5182 Failure >12 >12 >12 >12 >12 >12 test -A/8.3/90 Load Stage Pour Point ASTM D97 °C/°F -45/-49 -36/-32 -36/-32 -36/-32 -23/-9 -27/-17 Flash Point ASTM D92 °C/°F 227/441 228/442 228/442 229/445 229/445 229/445 - open cup method API Gravity ASTM D287 -- 35.4 33.4 33.0 32.4 31.0 35.0 Specific Gravity ASTM D1298 -- 0.848 0.858 0.860 0.863 0.871 0.850 @ 16°C /60°F Pounds per Gallon ASTM D287 -- 7.06 7.14 7.16 7.18 7.25 7.07 [ For ISO 100, CONTACT Castrol tech support at 630-961-6562 ] E16 ) ecastrof

