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HiTEC® 521 is a premium anti-wear hydraulic fluid additive package that meets all major OEM and industry specifications.
HiTEC® 521 is a lubricant additive for formulating a range of hydraulic oils ranging from economic tier to premium grade performance. HiTEC® 521 delivers exceptional anti-wear protection and oxidative stability. HiTEC® 521 can be used with Group I, II and III base stocks, and when properly formulated meet or exceed all major hydraulic equipment and industry specifications. HiTEC® 521 has decades worth of proven field experience for unrivaled hydraulic oil performance.
Appearance: Dark brown oily liquid
Density, lbs/gal: 8.58
Specific Gravity @ 15.6/15.6° C: 1.031
Viscosity at 40° C, cSt: 98
Flash Point ° C, (PMCC): 125 min
Shelf Life: 24 months, when stored at ambient temperature
Great oxidation stability
Extends oil drain intervals
Great particulate and sludge control
Improves filterability for longer operating times between fills
Maximizes equipment life by improving the wear protection of critical hydraulic components
Widely tested in Group I, II and III base oils
Excellent hydrolytic stability
Poor hydraulic oil oxidation life
Sludge and particulate build-up in hydraulic system
Loss of wear protection in hydraulic oil
Excessive hydraulic fluid consumption and drain intervals
HiTEC® 521 can be used at several dosage rates and can vary depending on base stock and desired fluid performance. The recommended treat rate for HiTEC® 521 is 0.8% wt.
HiTEC® 521 is capable of meeting the following specifications:
Parker (formerly Denison) HF-0, HF-1, HF-2 (HM, HV)
Eaton M-2950-S and I-286-S3
MAG P68, P69, P70 (HM, HV)
DIN 51524-2 (HM); DIN 51524-3 (HV)
ISO 11158 (HM, HV)
ASTM D6158 (HM, HV)
SAE MS 1004 (HM, HV)
Bosch Rexroth RE 90220
JCMAS P041 HK Hydraulic specification
ANSI/AGMA 9005-E02-RO
GM LS-2
AIST 126, 127
SEB 181222
Hydraulic fluids are responsible for moving and transferring power all around the world, but what makes these fluids work? Afton seeks to answer these questions with an FAQ style intro guide to formulating these fluids.
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