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Bigbag is a 1,000kg bulk package for the efficient handling of high-quality submerged arc-welding fluxes.

It can be placed over the flux hopper by crane or in a frame and can be quickly discharged when a refill of the hopper becomes necessary.

The discharge spout of the Bigbag is thermally sealed but is easy to open without the use of knives, scissors or other tools.

The moisture protection of fully filled Bigbags was tested in a climate chamber for five weeks.

The climate conditions in weeks one to four were 35C/90 per cent relative humidity, corresponding to average tropical conditions.

In week five, the dew point was artificially reached once a day and droplets appeared on the outer packaging.

Two sets of flux samples for moisture testing were taken from the centre of the Bigbag and two sets from the side and test proved that no measurable moisture absorption takes place.

Although it takes only about one minute to empty a complete Bigbag, small- or large-volume users can choose to take out any volume of flux at a time by closing the well-defined discharge spout during the flux flow.

In this way, time savings can be obtained compared with refilling from 20-30kg flux bags or buckets.

Another important saving lies in the protection of the flux from moisture absorption.

Bigbags are made from strong woven polypropylene material that has an internal multi-layered aluminium lining, keeping the flux ‘factory dry’.

Fabricators may decided to use the flux without re-drying, even in hot and humid environments.

Each pallet of flux is additionally protected against moisture by wrap or shrink foil.

The complete empty Bigbag, including the aluminium liner, is disposed as combustible energy recycling material, according to EN 13431.

As part of ESAB, a world leading supplier of welding and cutting solutions, ESAB Group (UK) Ltd have access to a product research and development programme, the envy of the welding industry.

The brand is synonymous with world leading expertise  and today the company produces consumables and equipment for virtually every welding and cutting process and application.

As a logical step following his invention of the covered welding electrode back in 1904, Oscar Kjellberg founded ESAB. Since then, the company has constantly improved on existing methods and materials. At the same time, ESAB has developed new methods to meet the challenge presented by technological progress.

More than 100 years of continuous research, development and manufacture have made ESAB a world leader in welding, cutting and also an international supplier of products, know-how and services that none can match.

At is UK headquarters, ESAB Group (UK) Ltd have a team of highly experienced and qualified staff who are always available to offer help and advice on all aspects of welding and cutting. 

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