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Synkon APX 180 kg, synthetic metalworking fluid concentrate for grinding and machining, water-based coolant 3–10%, corrosion protection from 3%, low foaming, ISO 6743/7 L-MAH
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Description
Synkon APX 180 kg is a synthetic metalworking fluid concentrate designed to prepare a water-based cooling and lubricating solution, suitable for grinding processes and also for machining operations. When mixed with water it forms a transparent, stable solution with low foaming tendency, delivering good wetting and corrosion protection already from a 3% concentration.
Advantages and unique features
- Synthetic concentrate with corrosion inhibitors and additives improving lubricity and anti-foam performance.
- Excellent wetting and easy washability of the working solution.
- Low foaming tendency – stable operation of the coolant system.
- Corrosion protection from a 3% concentration.
- Hard-water resistant – suitable for preparing solutions even with water hardness up to 40°N.
- Free from oils, nitrates, nitrites, chlorinated additives, boron compounds, and primary/secondary amines.
Properties and applications
- Application: cooling and lubricating fluid for grinding; due to good lubricity it can also be used for machining.
- Recommended working concentration: 3–10%.
- Corrosion protection: from 3% concentration.
- Industry example: grinding of steel balls in the bearing industry.
- Workpiece materials: steel, stainless steel, cast iron, sintered carbide, copper, aluminium (per compatibility table).
- Aluminium compatibility: neutral towards EN-AW 1050, EN-AW 2017A, EN-AW 5083, EN-AW 7075 alloys.
Technical parameters
| Parameter | Value |
|---|---|
| Product type | Synthetic metalworking fluid concentrate (for water-based solution) |
| Pack size | 180 kg |
| Refractometric factor | 2 |
| Operating temperature range | +5°C to +60°C |
| Standards / approvals | ISO 6743/7 L-MAH |
| Appearance, concentrate color | Clarified cognac-colored liquid |
| Kinematic viscosity at 40°C | < 90 mm²/s |
| Recommended concentration | 3–10% |
| 3% solution (water hardness 15°N): appearance | Transparent to yellow, opalescent liquid |
| 3% solution (water hardness 15°N): stability | Withstands |
| 3% solution (water hardness 15°N): pH | 8.9 |
| Corrosion properties (Ford method) | F0 |
| Corrosion properties (Herbert method, numeric rating) | H0 |
| Weld load | 160 kg |
| Friction coefficient (for 2% concentration in water) | 0.12 |
| Material compatibility (table) | Steel +++; stainless steel +++; cast iron +++; sintered carbide +++; copper +; aluminium +++ |
| Hard-water resistance | Up to 40°N |
| Composition – technical info | Contains no oils, nitrates, nitrites, chlorinated additives, boron compounds, or primary/secondary amines |
Storage recommendations
Store Synkon APX in steel or polyethylene containers, protected from moisture and mechanical contaminants. Recommended storage temperature: 5°C to 40°C. Storage period should not exceed 1 year.
FAQ
1) What working concentration should I use?
The recommended working concentration is 3–10%, depending on the process and corrosion-protection requirements.
2) Does the solution foam?
The working solution has a low foaming tendency and forms a stable mixture after dilution with water.
3) Can it be used with hard water?
Yes – solutions can be prepared using tap water with hardness up to 40°N.
4) Which materials is it suitable for?
Very good for steel, stainless steel and cast iron; rated “+” for copper and “+++” for aluminium.
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