Corrugated Corri-cor cardboard - 2,6 mm thick - 61x90 cm
Corrugated "Corri-Cor" double-wave cardboard covered with brown kraft paper on both sides. Lightweight but stiff.
Buffered with calcium carbonate. PH neutral.
On one side the surface has undergone a particular anti-humidity treatment. This feature is very useful for paintings that are hung on walls subject to humidity.
Thickness 2.6 mm
Available in formats:
cm 91x122 - Packs of 20 sheets - code MK3
cm 61x91 - Packs of 20 sheets - code MK4