It is a common laboratory testing instrument researched and developed by our company according to national standards. It is an ideal auxiliary test instrument for industries and departments such as papermaking, packaging, scientific research and quality supervision and inspection.
The sampler has beautiful appearance, compact and reasonable structure, labor-saving operation and convenient use.
technical parameter
Metal cylinder: inner cross-sectional area 100±0.2cm², height 50mm;
Smooth metal flat roll: width 200±0.5mm, mass 10±0.5kg;
Absorbent paper: quantitative 200-250g/㎡, absorption speed 75mm/10min;
Reagent: The test should use distilled water or deionized water;
Temperature: 25±10℃;
Other auxiliary devices (optional): balance, stopwatch, Cobb sampler.
technical standard
ISO535 Determination of water absorption of paper and cardboard – Cobb method, GB/T1540 Determination of water absorption of paper and cardboard (Cobb method), GB5406 Determination of oil permeability of paper.
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Post time: Jul-27-2022