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Hallite Fluid Compatibility

Maximum continuous working temperatures C° and temperature ranges for materials, within fluid power fluids.

  Fluids based on mineral oils Greases Fuels
Material Continuous material service temp. range °C Inermittent material service temp. range °C Motor Oils Hypoid gear oils Automatic trans. fluid ISO 6743-4 Hydraulic oils (HL, HM, HV) Mineral oil based greases Silicon based greases Diesel fuel Fuel for gasoline, petrol engines - normal Fuel for gasoline, petrol engines - super
+150
-40
+150
-40
+160
-50
+100
-30
+100
-30
+250
-50
NBR 70 IRHD
NBR 90 IRHD
Nitrile (medium)
+ 100
- 30
+ 100
- 30
100 90 100 100 100 100 * * *
FKM 75 IRHD
FKM 90 IRHD
Fluoro-elastomer
+ 200
- 20
+ 250
- 20
150 150 160 100 100 200 150 150 150
EPDM 70 IRHD
EPDM 80 IRHD
+ 120
- 50
+ 150
- 50
NS NS NS NS NS NS NS NS NS
VMQ 70 IRHD
Silicone
+ 200
- 55
+ 250
- 55
* * * * 100 * NS NS NS
HNBR 75 IRHD
Hydrogenated
nitrile
+ 200
- 55
+ 150
- 30
130 110 130 100 100 130 * * *
IIR
Butyl
+ 120
- 40
+ 140
- 40
NS NS NS NS NS 120 NS NS NS
FFKM
Perfluoroelastomer
+300
+200
+40
-20
  150 150 160 100 100 200 150 150 150
AU
Polyester PU
+ 100
- 30
+ 110
- 30
100 100 100 100 100 100 60 60 60
EU
Polyether PU
+ 100
- 40
+ 110
- 45
100 100 100 100 100 100 60 60 60
Polyester
elastomer
+ 100
- 40
+ 120
- 40
100 100 100 100 100 100 60 60 60
PA
Polyamide
+ 100
- 40
+ 120
- 40
100 100 100 100 100 100 100 100 100
POM
Acetal
+ 100
- 45
+ 120
- 45
100 100 100 100 100 100 100 100 100
PPS
Polyphenylene
sulphide
+ 200
- 40
+ 200
- 40
150 150 160 100 100 200 150 150 150
PTFE
Polytetrafluoroethylene
+ 200
- 200
+ 200
- 200
150 150 160 100 100 200 150 150 150
Thermosetting
polyester resin
+ 100
- 50
+ 130
- 200
100 100 100 100 100 100 100 100 100
PEEK
Polyetheretherketone
+ 250
- 65
+ 300
- 65
150 150 160 100 100 250 150 150 150
* Denotes that values vary greatly for individual elastomers within this group NS Denotes that the elastomer is not suitable.
The work of the BFPA technical working group ‘TC16/WG8’ in the compilation of this table is acknowledged.

  Fire-resistant hydraulic fluids Enviornmentally acceptable fluids Other service fluids
Material ISO 6743-4 HFA fluids (5/95 water based) ISO 6743-4 HFB fluids (60/40 invert emulsion) ISO 6743-4 HFDR fluids (water glycol) ISO 6743-4 HFDR fluids (phosphate ester ALKYL (aero)) ISO 6743-4 HFDR fluids (phosphate ester ARYL (ind.)) ISO 6743-4 HETG fluids (Vegetable oil based) ISO 6743-4 HEES fluids (Synthetic ester based) ISO 6743-4 HEPG fluids (Synthetic glycol based) ISO 6743-4 HEPR fluids (Synthetic hydro-carbons) Water Air Brake Fluid
+60
+5
+60
+5
+60
-30
+100
-50
+150
-0
+60
-10
+100
-40
+100
-50
+150
-50
+601
+5
+200
+2
+130
-50
NBR 70 IRHD
NBR 90 IRHD
Nitrile (medium)
60 60 60 NS NS 60 60 60 100 80 100 NS
FKM 75 IRHD
FKM 90 IRHD
Fluoro-elastomer
60 60 NS NS 150 60 100 80 150 100 200 NS
EPDM 70 IRHD
EPDM 80 IRHD
NS NS 60 80 80 NS NS NS NS 120 120 120
VMQ 70 IRHD
Silicone
NS NS NS NS NS NS NS NS * 100 200 80
HNBR 75 IRHD
Hydrogenated
nitrile
60 60 80 NS NS 60 60 80 130 130 130 NS
IIR
Butyl
NS NS 60 100 120 NS NS NS NS 120 120 80
FFKM
Perfluoroelastomer
60 60 60 100 150 60 100 100 150 150 200 130
AU
Polyester PU
40 40 NS NS NS 60 60 80 100 40 40 NS
EU
Polyether PU
60 60 40 NS NS 60 80 60 100 60 80 NS
Polyester
elastomer
60 60 NS NS NS 60 80 60 100 60 80 NS
PA
Polyamide
60 60 60 100 100 60 100 100 100 60 80 80
POM
Acetal
60 60 60 100 100 60 100 100 100 80 80 80
PPS
Polyphenylene
sulphide
60 60 60 100 150 60 100 100 150 150 200 130
PTFE
Polytetrafluoroethylene
60 60 60 100 150 60 100 100 150 150 200 130
Thermosetting
polyester resin
60 60 40 100 100 60 100 100 100 80 100 NS
PEEK
Polyetheretherketone
60 60 60 100 150 60 100 100 150 150 200 NS
In view of the variations in formulation of both oils and polymers, the compatibility of all combinations should be confirmed by testing and field service performance for each application.
1 Temperature range for water in fluid power applications.