PN-COBB Tester is designed to measure the amount of water absorbed by a sized paper, cardboard or corrugated fiberboard, is not suitable for paper and cruddy paper with a density lower than 50 g/m.

The PN-COBB Tester consists of a cylindrical container clamped to a flat metal base plate and a none-absorbent soft rubber seal to avoid leaking.

PN-COBB Tester is designed to meet international standard.