Typical Physical Characteristics
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Shell Clavus AB |
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Viscosity grade |
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ISO 3448 |
32 |
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46 |
68 |
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100 |
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Refrigerator oil-group |
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DIN 51503 |
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KAA , KC |
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Kinematic viscosity |
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ASTM D445 |
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at 40°C |
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mm²/s |
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29 |
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46 |
68 |
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107 |
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at 100°C |
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mm²/s |
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4.1 |
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5.3 |
6.2 |
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7.2 |
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Density at 15°C |
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kg/m³ |
ASTM D1298 |
870 |
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869 |
871 |
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869 |
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Flashpoint COC |
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°C |
DIN ISO 2592 |
180 |
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180 |
190 |
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200 |
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Pourpoint |
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°C |
DIN ISO 3016 |
-45 |
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-42 |
-39 |
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-36 |
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Neutralisation number (s) |
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mg KOH/g |
DIN 51558-3 |
<0,04 |
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<0,04 |
<0,04 |
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<0,04 |
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Saponification number |
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mg KOH/g |
DIN 51559-1 |
<0,08 |
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<0,08 |
<0,08 |
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<0,08 |
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Floc point R 12 |
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°C |
DIN 51351 |
<-60 |
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<-60 |
<-60 |
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<-60 |
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Stability with refrigerants |
R 12 |
h |
DIN 51593 |
>96 |
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>96 |
>96 |
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>96 |
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miscible over the whole range of typical refrigeration |
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Miscibility with refrigerant R22 |
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temperatures. |
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Specifications and Approvals
- Shell Clavus AB meets the requirements of DIN 51503, KAA and KC.
Applications
- Refrigerator compressors
Shell Clavus AB is recommended for use in open-, semi-open and hermetic compressors in domestic, commercial and industrial refrigeration systems. It can be used in both screw and reciprocating compressor types. Shell Clavus AB is designed for application with ammonia (R717) where it offers an excellent performance, even under high temperatures or below -33°C evaporation temperature.
- Other refrigerants than ammonia
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Shell Clavus AB is also fully suitable for use with halogenated refrigerants (CFC, HCFC). It may also be used in systems where hydrocarbon (e.g. R600a) is the refrigerant and with the refrigerant R402A / B.