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Gravure printing or bonding<br />
In the context of nonwoven web bonding, this refers to a method of bonding a web of fibers<br />
using the gravure method of printing. The gravure system uses a solid roller that is engraved<br />
with numerous small indentations. In the bonding process, the roller is partially immersed<br />
into an adhesive resin solution. As the roller turns, the excess solution is removed by a doctor<br />
blade, which leaves only the adhesive binder solution in the roller’s indentations. An<br />
unbonded web is then squeezed against the gravure roller (generally by a rubber roller) and<br />
the resin penetrates the web by osmosis. The web is then dried to remove the water and the<br />
binder remains. See Resin Bonding.<br />
Gray fabric<br />
Same as greige.<br />
Greige fabric<br />
Generally refers to woven or knitted fabrics off the loom prior to bleaching, dyeing or<br />
finishing treatment. The term is occasionally used to describe nonwovens before a finishing<br />
treatment.<br />
gsm<br />
Grams per square meter.<br />
gsy<br />
Grams per square yard.<br />
<strong>Nonwovens</strong> <strong>Glossary</strong><br />
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