Colour Index: PO20
Series : 3
+++ = at least 100 years lightfast under museum conditions
++ = 25 - 100 years lightfast under museum conditions
+ = 10 - 25 years lightfast under museum conditions
0= 0 - 10 years lightfast under museum conditions
The lightfastness of all these colours has been tested in accordance with ASTM Standards D4303
Delivery & support
Orders over £30 benefit from FREE delivery. Most orders delivered to a UK address will arrive within 5-7 working days, however, we acknowledge that delivery times to some outlying areas may occasionally take a little longer.
Need your supplies quickly?
There is an option to select express delivery at the checkout, the cost of which will vary depending on order size. Alternatively, you can contact us on 0800 980 1123 for a postage quote.
See here for information about international postage rates.
- Rembrandt Artists' Watercolours
- Cadmium Orange