VIB Tech Dictionary
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OFF MACHINE SILO |
A tile chest into which the white water from the wet end drains. |
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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'. |
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OPACITY |
(1) A measure of how well the finished paper scatters light. |
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OSCILLATING SHOWER |
High-pressure showers on a paper machine that move back and forth to clean rolls, felts, etc. |
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OUTTURN SAMPLES |
Paper samples sent to customers. A sample of the paper which will be shipped to him. |
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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. |
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OVERFLOW CHANNEL |
Used to maintain a constant level in the head box. Also removes foam or other impurities that come to the surface. |
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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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