Product Profile of Cobb Sizing Tester
Pap-Tech Engineers & Associates offers Cobb Sizing Tester with model number PAP-2055-A. Pap-Tech Engineers & Associates products are reliable and conformed to National & International Standards, TAPPI, SCAN, BS, ASTM, APPITA/AS, DIN, CPPA, ISO, etc. The Cobb Sizing Tester instrument is specifically designed for determining water absorbency of paper, paperboard and corrugated fiberboard. The Cobb Sizing Tester measures the weight increase of a sample exposed to water for a given time. The container mounted on a stand and filled with specified amount of water can be turned upside down to contact with water with a knob. After the test time has elapsed, it is turned back and sample is taken for analysis. The filled water can be used several times before it replenished.
Salient Features of Cobb Sizing Tester are as follows:
Convenient spring loaded sample clamping system presses the cylinder against the sample on the rubber mat so that a leak proof seal is obtained.
The clamping force is adjustable. The cylinder lifts when 2 handle bars are pinched together.
A device to determination of the weight increase of a sample contact with water for a given time.
The mass of water absorb in a specific time by a one square meter of paper, board & corrugated fiber board under specified conditions is called water absorptiveness or Cobb value.
It also indicates the additive substance applied during process that improves printing quality and resistance to liquids.
