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RENOLIN ZAF 32B详细说明
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RENOLIN ZAF B

Zinc- and Ash-Free HM Hydraulic Oils and CKC Lubricating Oils

Zinc- and Ash-Free HM Hydraulic Oils and CKC Lubricating Oils

Zinc-free hydraulic oils have steadily gained popularity over the last few years.
In many cases, the use of a zinc-free hydraulic oil is a must, especially in machine tools where hydraulic fluids can contaminate metalworking fluids. RENOLIN ZAF B hydraulic oils are zinc- and ash-free HM hydraulic oils complying with ISO 6743-4.

The most important features of RENOLIN ZAF B hydraulic oils are:


  • Good oxidation stability and good resistance to ageing
  • Powerful EP properties and very good wear protection
  • Excellent corrosion protection
  • Rapid air release and low foaming
  • Good demulsification characteristics
  • Good compatibility with sealing materials
Application:

RENOLIN ZAF B products are high-grade HM hydraulic oils according to ISO 6743-4 which can be used in all hydraulic systems but also as CKC lubricating oils according to ISO 6743-6 in gearboxes, bearings and circulating systems. RENOLIN ZAF B products are recommended for use in machine tools where contact between hydraulic oils and metalworking fluids can take place.

RENOLIN ZAF32 B46 B68 B
Hydraulic oil type     
acc. to ISO 6743-4 HM 32HM 46HM 68 
acc. to DIN 51 502 HLP 32HLP 46HLP 68 
Lubricating oil type     
acc. to ISO 6743-6 CKC 32CKC 46CKC 68 
acc. to DIN 51 502 CLP 32CLP 46CLP 68 
CharacteristicsUnit   Test method
Colour 111ASTM D 1500
Kinematic viscosity     
at 40 °Cmm2/s31.54565.4ASTM D 445
at 100 °Cmm2/s5.36.78.4ASTM D 445
Viscosity index 9810198ASTM D 2270
Density at 15 °Ckg/l0.8780.8780.885ASTM D 1298
Flash point, Cleveland open cup°C215230230ASTM D 92
Pour point°C-30-27-21ASTM D 97
Neutralization numbermg KOH/g0.30.30.3ASTM D 974
Saponification numbermg KOH/g1.31.31.3ASTM D 94
Water content% massnot traceablenot traceablenot traceableASTM D 95
Insolubles% massnot traceablenot traceablenot traceableDIN 51 592
Demulsificationmin101015DIN 51 599
Air release at 50 °Cmin387ASTM D 3427
Foaming,     
seq. Iml30/050/050/0ASTM D 892 seq. I-III
seq. IIml20/020/020/0ASTM D 892 seq. I-III
seq. IIIml20/020/020/0ASTM D 892 seq. I-III
Copper corrosiondegree of corr.1a-100A31a-100A31a-100A3ASTM D 130
Rust prevention pass Apass Apass AASTM D 665
Ageing behaviour, increase in neutralization number after 1000 hmg KOH/g< 2< 2< 2ASTM D 943
Brugger boundary friction testN/mm238DIN 51 347 (D)  
FZG mechanical gear rig testload stage> 12> 12> 12DIN 51 354-2
Vickers vane pump test, loss of mass     
on ringmg120120120IP 281
on vanes after 250 hmg303030IP 281
Effect on SRE-NBR 1 seal material acc. to DIN 53 538-1 at 100 °C +/– 1 °C after 7 days +/– 2 hours,
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