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Cardboard Cobb Value Tester

This Cobb value tester is the special instrument to test the hydroscopicity of cardboard and it is also called paper surfaces absorb weight tester

Quantity:
  • HD-A509-1
  • Haida

Cardboard Cobb Value Tester 


Product Description 

This Cobb value tester is the special instrument to test the hydroscopicity of cardboard and it is also called paper surfaces absorb weight tester

 

Standard Specifications

Metal cylinder cross-sectional area

100±0.2 cm2

Cylinder High

50mm

Quantitative absorbent paper

200-250g/m2

Absorption rate

75mm/10min

Smooth metal rollers

width, 200±0.5mm; weight: 10±0.5kg

Environmental condition

temperature, 20-40oC, relative humidity < 85%

Outside dimension

(LxWxH) 510x400x365mm


COBB Absorption Tester For Paper 

Model HD-A509
Metal cylinder Inner section Area 100 ± 0.2 cm^2
Cylinder height 50 mm
Quantitive Absorption Paper 200~250 g/m^2
Absorption Rate 75 mm/10 min
Smooth Metal Roller Width: 200 ± 0.5 mm; Weight: 10 ± 0.5 Kg
Environmental Conditions Temperature: 20~40°c;
Relative Humidity: < 85%
Outside dimension(L×W×H) 510×400×365 mm
Weight 30 Kg
Design Criteria ISO5351991; GB/T15401989

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