| TEST REQUIREMENTS
|
DOT 4
Specification
|
POLYGARD DOT4
Typical
Specification
|
|
Equilibrium Reflux Boiling Point º C (ERBP)
|
230 min
|
265
|
|
Wet Equilibrium Reflux Boiling Point º C
|
155 min
|
1600
|
Viscosity @-40 º C (cST)
@100 º C (cST)
|
1800 max
1.5 min
|
1200 max
2.1 min
|
|
Specific Gravity @ 20 º C
|
|
1.06
|
|
pH Value
|
7 - 11.5
|
7.5
|
Fluid Stability (ERBP Change)
High Temperature (º C)
Chemical
(º C)
|
+/-3 max
+/-3 max
|
2.0
2.0
|
Effect on Rubber (SBR Rubber)
70 º C Swell (mm)
Softening (IHRD)
Disintegration
120 º C Swell (mm)
Softening (IHRD)
Disintegration
|
0.15-1.4
10 max
none
0.15-1.4
15 max
none
|
0.6
4
none
0.8
6
none
|
Effect on Rubber (SAE J1703)
(EPDM Rubber)
70º C Volume Change (%)
Softening (IHRD)
Disintegration
120º Volume Change(%)
Softening (IHRD)
Disintegration
|
0-10
10 max
None
0-10
15 max
None
|
2
2
None
4
4
None
|
Evaporation Loss
@100º C (%w/w)
Residue Pour Point (º C)
Residue Texture
|
80 max
-5 max
Not Gritty
|
50
<-5
Pass
|
Fluidity and Appearance at Low Temperatures
-40º C Appearance
Flow Time (Sec)
-50º C Appearance
Flow Time (Sec)
|
Clear
10 max
Clear
35 max
|
Clear
4
Clear
9
|
