This summer, she hung a collection of artworks showcasing the glories of cadmium pigments, titled "Waiting for Cadmium." She has made numerous public appearances and has met with senators, all in defense of cadmium-based colors for artists.
McCann and joy Turner Luke of the Artists Equity Association in Washington, D.C., advise artists against using cadmium pigments in airbrushes, which turn the paints into easily inhaled aerosols.
Nevertheless, in spite of numerous advancements in the search for possible alternatives, Graff does not yet see anything on the horizon that can provide the stability and color features of cadmium pigments.
Recognizing the almost relentless environmental trend, the company no longer uses cadmium pigments and is minimizing as much as possible the use of lead chromates.
Color pigments include Harshaw Meteor and Meteor Plus complex inorganic pigments for applications requiring heat resistance and exterior durability; Harshaw organic pigments in a wide spectrum of colors; Harshaw low-soluble cadmium pigments for uses requiring good heat and light stability; Harshaw lead chromate and moly orange pigments for cost-effective coloring; and standard and solvent-free dispersions, which include Harshaw, Aurasperse, Aquerus, and Gallery One.
Pigments include full color range of high-heat, nonbleeding, no-plateout fluorescents; GSS color series and extended-glow LumiNova phosphorescent pigments; cadmium pigments for special engineering resins in a range of yellows, oranges, reds and maroons in both CP and lithopone forms; organic pigments such as Red Lake C, Red 2B, lithol rubines, diarylide yellows, and phthalocyanine blue and green; and titanium dioxide.
Replacing lead and cadmium pigments
remains the biggest story - however the question is no longer "when?" but "what next?" Driven by customer demands and their own plant environmental and worker-safety costs, many concentrate suppliers have all but eliminated heavy metals from their repertoire.
car manufacturers will not accept plastic parts that contain cadmium pigments
beginning in the 1998 model year.)
* Harshaw low-soluble cadmium pigments
for end uses requiring good heat and light stability.
Court of Appeals in Atlanta granted a stay of the OSHA Cadmium Air Standard, solely as it pertains to cadmium pigments
, on December 3, 1993.
The company announced the development of their low-soluble cadmium technology in mid-1990, then considered a major technological improvement, and can certify that the complete cadmium pigment
line meets EPA criteria for nonhazardous waste disposal.
Over 2 million lb of that toxic waste is converted into 3 million lb/yr of cadmium pigment
- an insoluble, nontoxic form that is useful to society.