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Advantages of shrinkable products

WARM applied shrinkable products from Vogelsang, Germany, consist of a polyethylene carrier foil, coated on the inside with a permanent plastic infusible mass of a self-developed special butyl rubber that closes damages up to 6mm diameter automatically after approximately ten days, by means of a ‘self-healing’ effect.

Due to the cross-linked stabilised polyethylene carrier foil and the self-healing effect, activated by the special butyl rubber, Vogelsang’s shrinkable products offer a high mechanical protection for a reliable protection from corrosion.

Another advantage of the products is the use of butyl rubber, instead of hot melt adhesives that have to be heated at a minimum of 70°C in order to activate the adhesive. Butyl rubber requires no primer, in contrast to the hot melt adhesive. In addition, hot melt adhesive requires a blasted surface due to the epoxy primer, while butyl rubber requires only cleaning by brush. During application the butyl rubber does not melt, but softens until it can flow into voids and cavities, so preventing the formation of cavitations.

Vogelsang’s shrinkable products are suitable for use in application fields such as welded joints, flange joinings, Tyton socket joining and shrinkable tape. The products meet the requirements of DIN 30 672 and DIN EN 12 068.

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