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10kg Metal Roller Cobb Tester For Surface Water Absorption Determination

    Buy cheap 10kg Metal Roller Cobb Tester For Surface Water Absorption Determination from wholesalers
     
    Buy cheap 10kg Metal Roller Cobb Tester For Surface Water Absorption Determination from wholesalers
    • Buy cheap 10kg Metal Roller Cobb Tester For Surface Water Absorption Determination from wholesalers
    • Buy cheap 10kg Metal Roller Cobb Tester For Surface Water Absorption Determination from wholesalers
    • Buy cheap 10kg Metal Roller Cobb Tester For Surface Water Absorption Determination from wholesalers

    10kg Metal Roller Cobb Tester For Surface Water Absorption Determination

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    Brand Name : AISRY
    Model Number : ASR-5684
    Certification : ISO
    Price : Negotiable
    Payment Terms : T/T, Western Union
    Supply Ability : 200 sets per month
    Delivery Time : 15 work days
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    10kg Metal Roller Cobb Tester For Surface Water Absorption Determination

    10kg Metal Roller Cobb Absorbency Tester Paper Testing Equipments


    Use:

    Paper COBB Absorption Tester is mainly used for determination of sized paper and cardboard including surface water imbibition of the corrugated cardboard. The instrument is determination of absorbent paper and cardboard surface, but is not suitable for accurate evaluation of paper or paperboard writing performance
    Metal cylinder Inner section Area 100 ± 0.2 cm^2 (inner diameter is 112.8±0.2mm )
    Technical parameter:
    Metal roller sectional area100±0.2㎝2
    Metal roller diameter112.8±0.2mm
    Roll height50mm
    Blotting paper:200~250g/㎡
    Absorption speed:75mm/10min
    Smooth metal roller:length 200±0.5mm,mass10±0.5kg.
    Water volume:100mm±5ml.

    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


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