Brad-Chem Innovation and Manufacturing Excellence
• Water / glycol corrosion inhibitors • Tacky additives • Lubricant additives • Moly dispersions • Graphite dispersions • Multi-metal corrosion inhibitors
BRAD-CHEM
www.brad-chem.co.uk +44 (0)1942 261 024 Brad-Chem Sets the Standard for Oil Tackifiers
Brad-Chem Ltd, one of the UK’s largest independent lubricant additives and corrosion inhibitors manufacturers, supplies oil tackifiers for oil based lubricants, lubricants with incidental food contact, and vegetable oil based lubricants.
Prior to Brad-Chem entering into the market with its UK market-leading product, Flowtac 2000 (which is also gaining widespread approvals worldwide), comparing oil tackifiers was hit and miss. For many blenders, testing comprised dipping gloved fingers into tacky additized oil and visually comparing the oil stringiness; this was inconsistent at best. Brad-Chem’s technical department devised reproducible tests to determine the increase in oil retention on a rotating spindle resulting from adding a tackifier to the oil. This meant that it was possible to reliably compare tackifying power of competing oil tackifiers, with good reproducibility of results.
Oil tackifiers are additives that help lubricating oils to stick to moving parts and they are used in applications where oil can be lost through fling-off or
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dripping, such as fast moving chains or slideways. The Cling Test developed by Brad-Chem is a reliable, reproducible method that measures the ability of the oil to remain on a fast moving part by comparing the amount of oil remaining on a dipped metal spindle after rotating for a fixed time interval. Cling tests results show that Flowtac 2000 can be used at half the treat rate compared some leading competitor tackifiers for the same or better results. The cling test gives a relative measure of the adhesive and cohesive properties of the tackifier under dynamic conditions.
The visual test for the stringiness of a tackified oil was also adapted into a quantitative method with controlled parameters that could be applied in an objective and reproducible way. As the lubricant drips from a suspended spindle, it forms a stringy thread as a result of the cohesion of tackified oil and its adhesion to the surface. The time until the first break in the string occurs gives a measure of tackifier effectiveness; since, the ability of the tackifier to retain oil on a surface results from both its adhesive and cohesive properties.
LUBE MAGAZINE NO.130 DECEMBER 2015
For precision cutting, the stick/slip properties of slideway lubricants are not adversely affected by the use of Flowtac 2000.
Managing director, Chris Brady said “Technical excellence has long been one of Brad-Chem’s major strengths and this includes product development and test methodologies, right through to manufacturing process development and quality control for consistent, high quality products. Indeed, thirty per cent of our workforce is employed in our technical department.”
This focus on excellent technical expertise at Brad-Chem is reflected in recent innovations such as a new corrosion inhibitor for aluminium in high alkaline conditions, and multi-metal, multi-acid corrosion inhibitors for cleaning products and metalworking fluid applications.
LINK
www.brad-chem.co.uk
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