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Altra~Lock® 576 Rapid Cure Epoxy Sealer. Description A rapid dry/quick cure 100% solids penetrating epoxy sealer designed for use where less than ideal surface preparation is attainable or where surfaces have inherent porosity or surface weakness. It has a very low viscosity which allows it to wick into and bond porous substrates and residual rust into a tough epoxy composite. It may be applied to residual rust, degraded or new concrete, fibrereinforced cement, and timber. Features • Excellent wetting properties • 100% solids • Rapid cure • Low temperature cure as low as 4°C • Ideal for marginally prepared steel • Easy application by brush, roller, or low atomisation spray • Can be used to seal asbestos • Suitable for below waterline applications on marine vessels when used underneath a high build epoxy barrier system Colour Light amber clear Finish Low sheen