Table 1 Ageing conditions of paint samples. CY = cadmium yellow, FU = French Ultramarine
Paint | Substrates | Ageing conditions | |
|---|---|---|---|
Relative humidity (%) | Light conditions | ||
CY | Oil-primed canvas and acrylic-primed canvas | ~ 50 | Ambient light |
~ 50 | Dark | ||
75 | Elevated light (high lux) | ||
75 | Near-dark (low lux) | ||
FU | Oil-primed canvas and acrylic-primed canvas | ~ 50 | Ambient light |
~ 50 | Dark | ||
75 | Elevated light (high lux) | ||
75 | Near-dark (low lux) | ||