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H.B. Fuller Unveils Rakoll® 4330, Newer Generation of Foamable Water-based Adhesives

Published on 2013-02-01. Author : SpecialChem

H.B. Fuller announces the release of its new generation of foamable water-based adhesives, known as Rakoll® 4330. This adhesive technology has been specifically designed to help manufacturers meet the increased market demands around surface quality. Pressure for continuous improvement to surface quality and finish has been on the increase in recent years both within the woodworking industry and from end-users.

H.B. Fuller launched this new generation of adhesives at an industry symposium, run within its European Technology Center in Nienburg, at the end of 2012. The new technology was well received by furniture manufacturers at the symposium, and Rakoll® 4330 will be showcased again at ZOW in February and at LIGNA in May 2013.

Rakoll® 4330 adhesive is a one component water based PVAc glue which is applied as a homogenous and stable micro foam. In this form the adhesive reduces the swelling of fibres and the associated water penetration in the cells, resulting in higher surface quality. Rakoll® 4330 adhesive has been designed to be used in conjunction with special foaming equipment and H.B. Fuller has worked closely with leading original equipment manufacturers, such as Heitec-MST, in its development.

Walter Stadlbauer, technical service manager for Durable Assembly at H.B. Fuller in Europe, explains: "Making sure our customers have the best solution possible is at the heart of what we do andis one of our main objectives. Surface quality is a complex issue and has been a high priority for customers and machine manufacturers over recent years. Thanks to this new technology, we are helping our customers to further improve surface quality by using a foam based adhesive. The water is not absorbed immediately into the fibres, minimising the extent of the fibres swell and thus creating the effect of a smoother finish."

Rakoll® 4330 adhesive also delivers improved wetting, longer open time and lower coat weight compared to non-foamable urea-formaldehyde based alternatives. Rakoll® 4330 fulfills the DIN EN 204: D3 requirements and is certified by the ift Rosenheim.

H.B. Fuller offers a complete range of fully compliant high performance adhesives for the woodwooking industry. The Rakoll trademark is owned by H.B. Fuller Company and is registered in Germany and other countries.

About H.B. Fuller Company

For over 125 years, H.B. Fuller has been a leading global adhesives provider focusing on perfecting adhesives, sealants and other specialty chemical products to improve products and lives. Recognized for unmatched technical support and innovation, H.B. Fuller brings knowledge and expertise to help its customers find precisely the right formulation for the right performance. With fiscal 2012 net revenue of $1.9 billion, H.B. Fuller serves customers in packaging, hygiene, general assembly, paper converting, woodworking, construction, automotive and consumer businesses.

Source: H.B. Fuller Company


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