Plastics coloration studies at DuPont's new Pigments Sales Service Laboratory. The panel the technician is working on it is called 'draw-down'. Pigmented samples are cured in a an oven, then tested for heat and light stability and uniformity of...
Textile research at DuPont's new Pigments Sales Service Laboratory at Chestnut Run. Here a technical service representative winds pigmented acetate fiber on mirror cards. They are used for color comparison and for sample books. DuPont color...
Caption text on photo: "Plastics coloration studies at DuPont's new Pigment Sales Service Laboratory, at Chestnut Run, near Wilmington, Del. The panel the technician is working on is called 'drawdown.' Pigmented samples are cured in an oven, then...