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What are amines - and which are the advantages of amine-free lubricants


Published: - 11/07/2018 Author: Di Maggio, EIC
What are amines - and which are the advantages of amine-free lubricants

Regulatory constraints, but also operator well-being, encourage industrials to develop increasingly neutral solutions for the working environment. For many years, CONDAT has been committed to finding healthier products and innovates by offering soluble lubricants based on renewable, boron-free raw materials without formalin, chlorine, DEA, DCHA or silicone releasing agents. More recently, CONDAT distinguished itself with an international automotive sector group by supplying an amine-free, high performance cutting fluid with a reduced health footprint: POLYBIO 650 ABF.

 

What are amines?
Amines are nitrogenated compounds derived from ammonia by the replacement of one or more hydrogen atoms by carbonated groups. The number of hydrogen atoms n linked to nitrogen, defines the amine class. There are 4 categories:
- Primary amines
- Secondary amines (for example: DEA, morpholine, etc.)
- Tertiary amines
-And quaternary amines
DEA (Diethanolamine) can be identified as the cause of various health issues for overexposed workers. Indeed, DEA can react with the nitrites/nitrates contained in water and can form a nitrosamine that is classified as carcinogenic in Europe. Other amines used in cutting fluids can also result in stable carcinogenic nitrosamines. This is the case for secondary amines. In Germany, the application of the TRGS 611 standard guarantees the use of cutting fluids that are free of carcinogenic nitrosamines. The R451 French health service recommendation also requests to avoid amines that generate carcinogenic nitrosamines.

POLYBIO 650 ABF: Amine-free, Boron-free, Formaldehyde-free
To support an automotive aluminum part milling specialist, CONDAT offered a solution to recurring dermatitis issues reported by several operators: POLYBIO 650 ABF oil. Thanks to its specific fully amine-free formulation and its low pH, POLYBIO 650 ABF considerably reduces skin irritations risk.
Furthermore, the absence of amines in the milling bath provides additional comfort of use to operators by limiting the spread of ammonia odours released by the growth of bacterial strains.


A high-performance lubricant

In the automotive industry, on leaving the aluminium foundry shop floors, rough parts are milled and the tapping, drilling and milling operations can be especially difficult. In this sector, Condat's clients routinely work with series 40000 alloys with silicon additives such as 42200 (AlSi7Mg), 43200 (AlSi10Mg) or 46500 (AlSi9Cu). The high silicon content alloys (up to 12%) can cause extensive abrasion wear to tools. In these conditions POLYBIO 650 ABF’s high lubricating power makes it possible to increase tool service life by 10 to 15% depending on the application. Tapping and torque tests** clearly illustrated the POLYBIO 650 ABF superior performances compared to many competitor products.
Machining these aluminium alloys generates micro-scratches on the parts and difficulties in keeping to exact measurements. The result is random roughness that only high lubrication can mitigate. POLYBIO 650 ABF’s excellent lubricating power provides a solution to this problem by reducing roughness. This lubricating power significantly improves surface conditions: the parts are shinier and have a “mirror” effect.

* the Tapping and torque test are used to make a comparative study of the forces required for tapping by deformation or removal of filings under iso-conditions.

 

A positive economic result
During production, lubricant losses can be significant and top-ups made daily to keep the bath effective. These losses have several causes, in particular the lubricant adherence to the part, the filings, and the evaporation of the water. POLYBIO 650 ABF’s detergency and wettability make it possible to reduce the amount of oil on the parts and filings, thereby reducing lubrication consumption by a significant reduction in top-ups.

 

CONDAT support
When POLYBIO 650 ABF was developed, regular on-site visits and test monitoring provided the CONDAT team of engineers direct exchanges with operators. This extensive support made it possible to examine skin tolerance issues, odour issues, and also to check the baths on each visit. The After-Sales department and the adjustment of top-up rates optimised consumption and generated increased productivity.
CONDAT remains an active partner attentive to its clients, whatever their issues.


A complete product line
With over 160 years of expertise, the CONDAT lubricant line is recognised on the metal working market, in particular for cold heading, stamping and milling processes.
A precursor in the use of innovating chemistry and renewable and plant raw materials, CONDAT proposes new generations of full and soluble oils.
It is also one of the widest product ranges on the market for annex operations: heat treatment fluids, maintenance lubricants for machine-tools, slider oils, cleaners, degreasers and corrosion protection products.
For very high temperature work processes, CONDAT also proposes fire resistant hydraulic oils (HFDU), refractory oils or forge oils.

For further information, visit www.condat.fr or contact info@condat.fr