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The acid test:
KEIM mineral paints do not show any traces of damage when exposed
to acid. The test below shows panels coated with KEIM mineral paint
and a lime paint put into a solution of acid. The lime paint is
completely dissolved after a short time. The alkaline silicate based
KEIM paint remains unchanged even after continuous submersion. KEIM
silicate paints provide an effective protection against atmospheric
acid attack where sulphur and sulphuric acid might be present in
the atmosphere.
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