VIB Tech Dictionary

Just click on a letter to navigate through the VIB Tech Dictionary.

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OFF MACHINE SILO

A tile chest into which the white water from the wet end drains.

OFFSET PAPER

A paper designed for use on offset presses with general characteristics to resist distortion from stretching of shrinking. Good pick strength, no fuzz, and a smooth surface which will take ink evenly without "set off'.

OPACITY

(1) A measure of how well the finished paper scatters light.
(2) That property of a paper which prevents "show-through" of dark printing, etc., on or in contact with the reverse of the sheet.

OSCILLATING SHOWER

High-pressure showers on a paper machine that move back and forth to clean rolls, felts, etc.

OUTTURN SAMPLES

Paper samples sent to customers. A sample of the paper which will be shipped to him.

OVEN DRY (BONE DRY)

A method of determining of moisture content of paper or pulp by placing it in an oven and drying it completely.

OVERFLOW CHANNEL

Used to maintain a constant level in the head box. Also removes foam or other impurities that come to the surface.

OVER-RUN

A quantity of paper in excess of the amount ordered. Trade practices permit a certain amount for over-runs and under-runs.

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VIB Systems GmbH • Am Kreuzstein 80 • 63477 Maintal • Germany • Phone: +49 6109 606-0 • Fax: +49 6109 606-160

VIB Systems, Inc. • 4661-A Hammermill Road • Tucker, GA 30084 • USA • Phone: +1 770 491 8981 • Fax: +1 770 934 5716

Qualitek VIB • 4661-A Hammermill Road • Tucker, GA 30084 • USA • Phone: +1 770 543 0180 • Fax: +1 770 543 0181