Learn more about the HiTEC<sup>®</sup> 521 hydraulic oil additive package developed by Afton Chemical. Designed for all types of hydraulic equipment, HiTEC<sup>®</sup> 521 meets or exceeds the performance requirements for hydraulic oil additive packages.
Designed for all types of hydraulic equipment, including modern hydraulic high pressure pumps and systems, HiTEC® 521 meets or exceeds the performance requirements of all major mainstream hydraulic equipment manufacturers and industry organization specifications. In a finished hydraulic fluid, HiTEC® 521 has the capability to provide performance reserve, leading to a problem free life of both equipment and fluid.
Extends drain intervals by prolonging fluid life
Improves equipment reliability by protecting critical parts
Performs in demanding conditions where water is present
Helps reduce down time
Supports enhanced productivity
Simplifies logistics through scalable performance
Approved by all major pump OEMs, including the latest most challenging Bosch Rexroth requirement
Recommended by customers around the world
More than 20 years proven field performance
The recommended treat rate for HiTEC® 521 is 0.85% by weight. Higher and lower doses may also be used depending on the required performance claims and the base oil. Suitable for use in Group I and II base oils. Suitable for use in multigrade (HVI/HVLP) fluid formulations. A suitable viscosity index improver such as the HiTEC® 5785 family must be used in order to formulate such fluids. Please contact your Afton Chemical representative for specific recommendations.
Max Handling Temp: 75°C
Shelf Life: 24 months @ ambient temperature
HiTEC® 521 is capable of meeting the following specifications in suitable base stocks and viscosity grades:
• Bosch Rexroth RDE 90235
• Parker (formerly Denison) HF-0, HF-1, HF-2 (HM, HV)
• Eaton E-FDGN-TB002-E
• Fives P68, P69, P70 (HM, HV)
• DIN 51524-2 (HM); DIN 51524-3 (HV)
• ISO 11158 (HM, HV)
• GB 11118.1-2011 (L-HL, L-HM, L-HV, L-HS)
• ASTM D6158 (HM, HV)
• SAE MS 1004 (HM, HV)
• JCMAS P041 HK Hydraulic specification
• GM LS-2
• AIST 126, 127
• SEB 181222
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