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Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing

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Cell Instruments Co., Ltd.

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Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing

Name: Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing
Brand: Cell Instruments
Price: 1 USD

China Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing wholesale

Place of Origin : China

Brand Name : Cell Instruments

Model Number : COBB-

MOQ : 1 SET

Packaging Details : Plywood Carton

Delivery Time : 3~5 days

Payment Terms : TT, LC

Supply Ability : At Stock

Certification : CE

Power : Electronic

Usage : Paper Testing Instrument

Price : Get An Offer

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Paper water absorptiveness tester measures the surface water absorption of paper and paper board. Loose paper, e.g. newsprint, unsized paper, e.g. blotter and other high absorbability paper is not for this tester.

Paper water absorptiveness tester principle

The Cobb value of surface water absorption of paper and paperboard.:

The calculated mass of water absorbed in a specified time by a unit area of paper or board under specified pressure and temperature conditions. It is expressed in g/㎡.

C=(G2-G1)×100.

C-water absorptiveness

G2-wet mass, in grams, of the test piece

G1-dry mass, in grams, of the test piece

When Cobb value is less than 200～250 g/㎡ for single layer, more layers can used.

Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing

Paper water absorptiveness tester technical data

Metal roller sectional area	100±0.2㎝2
Metal roller diameter	112.8±0.2mm
Roll height	50mm
Blotting paper	200～250g/㎡
Absorption speed	75mm/10min
Smooth metal roller	length 200±0.5mm,mass10±0.5kg.
Water volume	100mm±5ml.
Dimension	480×400×420(mm)

Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing

Standard

ISO 535,GB/T 1540,QB/T 1668

Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing

Paper water absorptiveness tester COBB tester with blotting paper 10Kg roller COBB testing Images

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