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Molecular formula :
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CAS :
nature : also known as water resistance degrees. Paper and cardboard one of the indicators of quality. Usually in a special ink crossed, the paper-based non-proliferation, not the back of the infiltration of the greatest lines expressed mm wide. Test methods are used for line with the rate of vertical paper (or horizontal) into a 45 ° angle of orientation, and the uniform in 2-3 seconds is 10 centimeters long lines. Its width of 0.25 mm, rising to 2.0 mm. Double-check that we have not non-proliferation and infiltration. To pass the largest width Sizing said, as is usually the various writing paper, recording materials, as a re-apply adhesive tape, sizing degree in 1.0-2.0 mm; Offset printing paper, drawing paper, typing materials, as light Shi adhesive tape, sizing degree in 0.25-0 .75 mm; while newsprint, cigarette paper, filter paper, performed is not as Shi adhesive tape, no Sizing degrees.
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