10kg Metal Roller Cobb Tester For Surface Water Absorption Determination
Brand Name:AISRY
Certification:ISO
Model Number:ASR-5684
Minimum Order Quantity:1 set
Delivery Time:15 work days
Payment Terms:T/T, Western Union
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Location:
Dongguan Guangdong China
Address:
Jianye Road No. 3, Yongqing Second Industrial Zone, Yongqing Village, Daojiao Town, Dongguan City, Guangdong Province,china.
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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 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. |
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
10kg Metal Roller Cobb Tester For Surface Water Absorption Determination
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