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Coatings Ingredients
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Coatings Ingredients
Product News

Evonik’s New Calcium Silicate Additive Prevents Snail Trails

Published on 2020-03-11. Author : SpecialChem

TAGS:  Architectural Coatings    

snail-trailing-pcThe Coating Additives business line of Evonik launches ZEOFREE® 600 additive to eliminate snail trails. When added to coatings during or post-formulation, the additive stops snail trails from arising in the first place.

Patent-protected Non-hazardous Additive


The new additive is patent protected and is currently unique on the market. Its high oil absorption has been proven in tests according to the industry standard ASTM D 7190-10, as well as in-house rain-simulation tests. A further benefit is that the new additive is non-hazardous and meets the criteria for the EU Ecolabel 2014/312/EU.

The powder additive consists of a calcium silicate with a particularly porous structure. The fine particles of ZEOFREE® 600 work like a sponge – they absorb and retain the water-soluble components. Now if a downpour hits the house wall, the rain doesn’t wash out any material – and the facade stays just as attractive as when freshly painted.

ZEOFREE® 600 works for all non-gloss paints, from white to dark shades. The recommended addition level ranges from one to five percent depending on the formulation. Not only is this an effective solution to snail trails, it is also a cost-effective alternative to the approaches used to date.


Source: Evonik
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