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  BOC launches CRYOCLEAN ® snow+ industrial cleaning process

4  February  2016

  BOC, the UK & Ireland's largest supplier of industrial gases and medical gases, officially launched the CRYOCLEAN ® snow+ industrial cleaning process at BOC's world-class Manufacturing Technology Centre in Wolverhampton on 28th January 2016.

CRYOCLEAN snow+ combines dry ice blasting (using CO2 dry ice crystals) with sand blasting to provide a flexible industrial cleaning method for a wide range of industry sectors including automotive, aerospace, additive manufacturing, construction, food, metal and machine construction, pharmaceuticals, plastic manufacturing and steel. This new process can be used to clean industrial products such as machinery, process equipment and conveyor belts. CRYOCLEAN snow+ is also useful in the new, fast-growing additive manufacturing sector, where it can be used to remove oxides from the surfaces of a number of materials, including steels and aluminium, and to clean polymers.

By changing the ratio of CO2 and abrasive material, the operator can adjust the intensity of the cleaning process to match the condition of the surface. This is particularly useful where cleaning challenges vary within a process flow, with relatively clean areas followed by heavily soiled, chemically altered or even corroded zones.

Developed by BOC and its parent, The Linde Group, CRYOCLEAN is a completely dry cleaning process in which liquid CO2 is pressurised to 60 bar, creating tiny dry ice crystals known as snow. When the snow is accelerated onto the component using compressed air, the contaminant becomes brittle. The gas jet then permeates cracks and lifts the contaminant off the surface - after which it is expelled through exhaust systems.

Traditional cleaning processes used to clean plastic parts in the automotive industry are water-based and are much slower and require much larger footprints. A car bumper, for example, may take 5-10 minutes to clean using a wet system, and with a footprint of 100 m2, compared to 30 seconds using CRYOCLEAN snow, with a footprint of around 20 m2.

The patented CRYOCLEAN process cleans surface oxides from steel and aluminium and is particularly valuable for cleaning operations that require different degrees of intensity. By maximising its cleaning flexibility from the gentle to abrasive, CRYOCLEAN snow+ achieves the required cleaning results at any time and by using only the correct quantity of abrasives, thereby reducing wastage.

CRYOCLEAN process provides a significantly more environmentally friendly, efficient and reliable alternative to traditional industrial cleaning processes. The CO2 used is a byproduct from BOC's existing customer manufacturing processes which has been purified before being re-used within the CRYOCLEAN process.

Stuart Wilders, BOC's Market Sector Manager for Advanced Manufacturing, said: "BOC is delighted to introduce CRYOCLEAN® snow+ to the UK and Ireland industrial cleaning market. This innovative new technology delivers the same standard of cleaning faster and more efficiently than traditional wet cleaning. It is also more environmentally friendly and requires a smaller footprint."

BOC launched CRYOCLEAN snow+ during a Customer Week at the Manufacturing Technology Centre in Wolverhampton from 25-29 January 2016. Customers were invited to bring their own components for a cleaning trial using CRYOCLEAN snow and CRYOCLEAN snow+ technologies. BOC's expert technical team were on hand to explore individual requirements and to demonstrate its range of innovative, industrial cleaning processes including Snow cleaning, Snow+ and Pelletiser.

For more information, please contact:

BOC UK & Ireland 
The Priestley Centre
Surrey Research Park
Guildford
Surrey
GU2 7XY
Tel: 01483 244042
Email: nicolle.kane@boc.com
Web: www.boconline.co.uk
   
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