Zubora 67 H Plus
Art-Nr.: 30910- semi-synthetic, water-miscible high performance cooling lubricant
- free of boron
- on the basis of mineral oil
- universally applicable
- long-term stable
- excellent corrosion protection
- free of formaldehyde releasers
- plastic comptability according to VDI 3035
Due to the use of primary amines there is no risk of formation of nitrosamines according to the current state
of knowledge.
Furthermore, Zubora 67 H Plus is inhibited against the formation of nitrosamines, i.e. that even if there are any secondary amines and nitrites (e. g. through foreign carry-over) no stable N-nitrosamines can be formed. Therefore, when exceeding the limit value for nitrite according to TRGS 611 a partial or complete change of the emulsion is not necessary.
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Product Details
| Density/20°C / DIN EN ISO 12185 | 980 kg/m³ |
| Viscosity/20°C / ASTM D 7042 | 163 mm²/s |
| pH-value (5 % in H2O) / DIN 51 369 | 9.5 (after 4 to 5 days: 9.1 - 9.3) |
| Cast iron chips test (1:20) / DIN 51 360/T2 | Corrosion degree 0 |
| Mineral oil content | 31.5 % |
| Water hazard class, concentrate | 2 |
| Water hazard class, emulsion | ( |
| Correction factor for determination of the concentration - refractometer | 1.1 |
Zubora 67 H Plus can be used for cutting operations up to medium difficulty. Furthermore, it is well suited
for grinding. The product can be used for machining steel, cast iron and aluminium.
Due to a special formulation Zubora 67 H Plus is particularly long-term stable. The innovative additive package effects a longer tool life and enables the working with high cutting speeds. In addition, Zubora 67 H Plus is ideally suited for cutting operations with small diameter. This advantage guarantees high flexibility for different cutting processes mainly in central systems and working centres.
The necessary working concentration depends on the difficulty of the operation and the material.
Recommended hardness of the preparation water:
12 to 24° dH (210 - 430 ppm CaCO3).
Grinding 4 - 5 %
Metal cutting 5 - 7 %