The board is manufactured from 100% cotton fibre, which is naturally lignin-free and pH neutral. Buffered with calcium carbonate, the board has a pH value of 8.5-9.5.
| Item #
|2253||White|| 1.52 mm
|| 81 x 102 cm
|2262||White||1.52 mm||102 x 152 cm|
|1536||White||2.03 mm||81 x 102 cm|