Greases
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
Pyroplex
®
Blue
Industry Test Results
Water Spray Off Test (ASTM D 4049)
Castrol Pyroplex Blue 2 experiences a low 15 percent water spray off as tested in ASTM D 4049. Competitive
greases have as much as 96 percent spray off.
ASTM D-4049 Water Spray Off Test
100
90
80
70
60
50
40
30
20
10
0
Percent
of
Spray
Off
Castrol
Pyroplex
Blue #2
Competitor
A
Competitor
B
Competitor
C
Wheel Bearing Life Test (ASTM D 3527)
e ASTM D 3527 measures the high-temperature performance of a grease in wheel bearings. Castrol
Pyroplex Blue shows exceptionally long bearing life as evidenced by this chart.
ASTM D 3527 Wheel Bearing Life Test
300
270
240
210
180
150
120
90
60
30
0
Hours
Castrol
Pyroplex
Blue #2
Competitor
A
Competitor
B
Competitor
C
F13
