Corrugated Corri-cor cardboard, 61x90 cm, 2,4 mm thick
Corrugated "Corri-Cor" double-wave cardboard covered with brown kraft paper on both sides. Lightweight but stiff.
Treated with calcium carbonate. PH neutral.
Thickness 2.4 mm
Available in formats:
cm 91x122 - Packs of 20 sheets - code MK1
cm 61x91 - Packs of 20 sheets - code MK2