Hammerite Thinner (250ml) is ideal for use thinning paint and cleaning brushes and spillages, outperforming traditional white spirit and cellulose thinners. The thinner is specially formulated to be used with Hammerite paint, brushes, and equipment. The solution works to efficiently clean brushes and spills – removing dirt, grime, salt, and loose rust. Hammerite Thinner is the only thinner suitable for use with Hammerite Metal Paint, due to its unique formula.