Health & Safety

Avoid working methods that generate large amounts of dust. Wear a dust mask and maintain normal levels of studio hygiene. If a vacuum is used for cleaning purposes, it should be equipped with a HEPA filter and bag. For professional use. Keep out of reach of children. Conforms to ASTM-D 4236.

We use opaque, high density mineral pigments for their high tinting strength and outstanding lightfastness. These include iron oxide, titanium, cobalt and European sourced cadmium pigments.

While there has been public concern about cadmium compounds used by other industries, it should be noted that modern cadmium pigments are nearly insoluble, relatively bio-unavailable, and do not require an ASTM warning label for ingestion. This was not always the case. In the1920's, cadmium pigments contained 100,000 to 150,000 ppm (parts per million) of soluble cadmium. Today's cadmium pigments contain about 10ppm (.01%) soluble cadmium.

Pastel manufacturers must now add chromium oxide (Pg17), titanium dioxide (Pw6), and crystalline silica (present in natural umber) to their health warning labels. In the case of chromium oxide, a pigment found in nearly all brands, the warning is due to the presence of trace amounts of hexavalent chromium (less than .01%)

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