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RENOLIN ZAF D
Zinc and Ash-Free, Detergent Hydraulic Oils Zinc and Ash-Free, Detergent Hydraulic Oils
Zinc- and ash-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 oils can contaminate other functional fluids.
RENOLIN ZAF D hydraulic oils are zinc- and ash-free hydraulic oils with good detergent properties. The detergent agents in these oils reduce the formation of residues and ageing by-products.
They are HM hydraulic oils in line with ISO 6743-4 but with additional detergent and dispersant characteristics.
The most important features of RENOLIN ZAF D 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 sludge transportation and cleaning properties
- Good compatibility with sealing materials
Application:
RENOLIN ZAF D products are high-grade HM hydraulic oils in line with ISO 6743-4 which can be used in all hydraulic systems but also as CKC lubricating oils in line with ISO 6743-6. RENOLIN ZAF D products contain additives which avoid the formation of residues and guarantee the functional reliability of machinery.
| OLIN ZAF |
|
32 D |
46 D |
68 D |
|
| Hydraulic oil type |
|
|
|
|
|
| acc. to ISO 6743-4 |
|
HM 32 |
HM 46 |
HM 68 |
|
| acc. to DIN 51 502 |
|
HLPD 32 |
HLPD 46 |
HLPD 68 |
|
| Lubricating oil type |
|
|
|
|
|
| acc. to ISO 6743-6 |
|
CKC 32 |
CKC 46 |
CKC 68 |
|
| acc. to DIN 51 502 |
|
CLP 32 |
CLP 46 |
CLP 68 |
|
| Characteristics |
Unit |
|
|
|
Test method |
| Colour |
|
1 |
1 |
1 |
ASTM D 1500 |
| Kinematic viscosity |
|
|
|
|
|
| at 40 °C |
mm²/s |
32 |
46 |
68 |
ASTM D 445 |
| at 100 °C |
mm²/s |
5.4 |
6.9 |
8.6 |
ASTM D 445 |
| Viscosity index |
|
100 |
105 |
97 |
ASTM D 2270 |
| Density at 15 °C |
kg/l |
0.878 |
0.882 |
0.884 |
ASTM D 1298 |
| Flash point, Cleveland open cup |
°C |
210 |
230 |
230 |
ASTM D 92 |
| Pour point |
°C |
-33 |
-27 |
-24 |
ASTM D 97 |
| Neutralization number |
mg KOH/g |
0.35 |
0.35 |
0.35 |
ASTM D 974 |
| Saponification number |
mg KOH/g |
1.1 |
1.1 |
1.1 |
ASTM D 94 |
| Air release at 50 °C |
min |
3 |
4 |
7 |
ASTM D 3427 |
| Foaming, |
|
|
|
|
|
| seq. I |
ml |
30/0 |
50/0 |
50/0 |
ASTM D 892 seq. I-III |
| seq. II |
ml |
20/0 |
20/0 |
20/0 |
ASTM D 892 seq. I-III |
| seq. III |
ml |
20/0 |
20/0 |
20/0 |
ASTM D 892 seq. I-III |
| Copper corrosion |
degree of corr. |
1a-100A3 |
1a-100A3 |
1a-100A3 |
ASTM D 130 |
| Rust prevention |
|
pass A |
pass A |
pass A |
ASTM D 665 |
| Ageing behaviour, increase in neutralization number after 1000 h |
mg KOH/g |
< 2 |
< 2 |
< 2 |
ASTM D 943 |
| Brugger boundary friction test |
N/mm² |
38 |
38 |
38 |
DIN 51 347 (D) |
| FZG mechanical gear rig test |
load stage |
> 12 |
> 12 |
> 12 |
DIN 51 354-2 |
| Vickers vane pump test, loss of mass |
|
|
|
|
|
| on ring |
mg |
<120 |
<120 |
<120 |
IP 281 |
| on vanes after 250 h |
mg |
<30 |
<30 |
<30 |
IP 281 |
| Effect on SRE-NBR 1 seal material acc. to DIN 53 538-1 at 100 °C +/– 1 °C after 7 days +/– 2 hours, |
|
|
|
|
|
| relative volume change |
% |
7 |
6 |
5 |
DIN 53 521 together with DIN 53 505 |
| change in Shore A hardness |
Shore |
-3 |
-3 |
-2 |
DIN 53 521 together with DIN 53 505 | |
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