Salle
- the department of the paper mill, sometimes called the
Finishing House, where paper is sorted and counted.
Secondary Fibre
- fibre that has been used before, e.g. waste paper.
Security Paper
- generally rag paper, always woodfree, watermarked and
chemically impregnated. Very reactive and strong. Security
papers also carry identification marks which help to prevent
counterfeiting. Used for making bank notes, cheques etc.
Show Through -
degree to which printing is visible through paper due
to the low opacity of the paper.
Size
- non-fibrous materials used in papermaking to control
the absorbency of paper. Rosin, Alum, starch and gelatine
are the most commonly used.
Sizing
- addition of size and chemicals during manufacturing
process or by coating to control absorbency.
Solid White Board -
board made of one or more plies of bleached chemical pulp.
SRA:
SRAO - 900 x 1280mm
SRA1 - 640 x 900mm
SRA2 - 450 x 640mm
SRA3 - 320 x 450mm
SRA4 - 225 x 320mm
Stock, Stuff, Porridge
- terms used to describe the
papermaking material in all stages, but usually referring
to the wet pulp before it is fed onto the paper machine.
Substrate - The piece of material
printed (e.g. paper, board, plastic, tin).
Suction Boxes
- devices situated under a part of the wire which withdraw
water and air from the rapidly consolidating web, also
used in felt cleaning etc.
Sugar Paper -
a quality wrapping paper, blue or purple, principally
from waste paper and formerly used for sugar bags.
Supercalender
- machine for giving paper a very smooth surface by passing
it through a series of alternate metal and composition
rolls, revolving with high speed and pressure
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