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Designed according to GB/T1540-1989, ISO535 (Cobb paper and cardboard absorbency method), which is used to test the absorbency of paper and cardboard, but not applied to evaluate the writing capability of paper and cardboard
Designed according to GB/T1540-1989, ISO535 (Cobb paper and cardboard absorbency method), which is used to test the absorbency of paper and cardboard, but not applied to evaluate the writing capability of paper and cardboard.
Technical parameters:
| Metal cylinder inside area | 100±0.2cm², height: 50mm |
| Absorbency paper | 200~250g/m² |
| Absorbency speed | 75mm/10min |
| Smooth metal roller | width:200±0.5mm, weight:10±0.5kg |
| Dimension | 390×280×410 (mm) |
| Weight | 25kg |
| Optional | Balance: accuracy 0.001g, measure range 500g |
| Stopwatch: 1s | |
| Glass graduate: 100ml | |
| Cobb sample cutter |
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