Hydraulic Fluids
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
Performance
™
Bio HE
Industry Test Results
CEC L-33-T-82
is test measures the biodegradability of a fluid over a period of 120 hours. Castrol Performance Bio HE is
more than 95% biodegradable during the allotted time frame.
Castrol Performance Bio HE
Biodegradable Properties
Undegraded
Product
(%)
Castrol Performance Bio HE
Conventional Mineral Oil
100
80
60
40
20
0
24
Hours
48
Hours
72
Hours
120
Hours
FZG Gear Test
e FZG gear tests rates the load-carrying ability of gear oils. Castrol Performance Bio HE out-performed its
mineral-based counterparts, which testifies to its excellent anti-wear performance.
FZG Test Results
14
12
10
8
6
4
2
0
Typical
Mineral-Based
Hydraulic Fluid
Margin
of Safety
Castrol
Performance Bio HE
C34
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