Is crystal paper alright to lay on top of a watercolour painting when posting in a tube
Yes the Crystal paper can be used to protect a pastel or watercolour paintings. It is a relatively transparent paper made from a cellulose pulp It is PH neutral, acid-free and 100% Biodegradable.
Please can you advise what colour is the Clairefontaine Crystal Paper - Pack of 20 Sheets (50 x 65cm)
Crystal paper is a translucent white colour, this means you can use it to protect your paintings and can still see what is beneath each sheet at a glance.
All the best,