AU - 1020 Cobb Sizing Tester
This instrument is used for determining the water absorbency of paper, paperboard and similar material. The water absorbency of paper (the cobb value) is defined as the quantity of water absorbed in a given time by one side of a unit area of paper or board placed horizontally under a head of one centimeter of water.
- A. Automatic Spring loaded sample clamping.
- B. Tilting Type lid clamped by way of spring loaded finger grips.
Spesification
SPECIFICATIONS
The container mounted on a stand and filled with the specified quantity of water, The Pre-weighted sample clamps and get in contact with water, After the test time has elapsed, it is turned back and this surplus water is removed by pressing the test piece between standard blotter under a steel roller supplied along with equipment. The weight increase with the exposure of water is called cobb value.
It also gives indications of the additive substances applied during process that improve printing quality and resistance to liquids.
Option:
Stop watch, Graduated cylinder 100 ml
Digital weighing Balance .001 gram Standard blotter GSM 200 and capillary 60 mm APPLICABLE REFERENCE STANDARD
TAPPI T441
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Changes:
UEC products undergo continuous development. The technical data in this catalogue are therefore subject to change
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