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The definitions presented here are merely general descriptions that may prove helpful. They do not supersede the definitions of technical terms as they are used in specific documents, agreements, proposals, offerings or patents.

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A

AKD Sizing

Alkyl ketene dimer used to make paper more resistant to water penetration.

ASA Sizing

Alkenyl succinic anhydride used as a reactive sizing agent in paper manufacture.

B

Brightness Reversion

The tendency of paper brightness to decrease over time after manufacture.

Broke

Paper or board waste that is returned to the process for recycling.

C

Cationic Starch

A cationic-modified starch used to improve strength and retention in papermaking.

Creping Adhesive

An adhesive used to control tissue adhesion and release on the Yankee cylinder.

D

Deinking Agent

A chemical used to detach and remove ink from recycled paper fibers.

Drainage Aid

An additive used to improve water removal from the fiber web.

Dry Strength Resin

An additive used to improve paper strength after drying.

F

Fiber Recovery

The capture and reuse of valuable fibers from process water or waste streams.

Filler Retention

The degree to which mineral fillers remain in the paper sheet during formation.

Fixing Agent

A cationic additive used to attach dissolved or colloidal materials to fibers.

Formation Aid

An additive used to improve fiber distribution and sheet uniformity.

O

Optical Brightener

A fluorescent additive used to increase perceived whiteness and brightness.

P

Paper Defoamer

A defoaming additive used to control foam in pulp or paper processing.

Pitch Control

Chemistry used to reduce deposits from hydrophobic wood extractives.

R

Retention Aid

A polymer or additive used to retain fines and fillers on the paper machine.

Rosin Size

A rosin-based sizing chemistry used to reduce absorbency in paper.

S

Slushing Aid

An additive used to accelerate repulping of broke or waste paper.

Stickies Control

Chemistry used to reduce tacky contaminant deposits from recycled furnish.

Surface Sizing

The application of starch or other chemistry to the paper surface after forming.

W

Wet Strength Resin

A resin used to help paper retain strength when wet.

Y

Yankee Coating

A coating chemistry used on the Yankee dryer in tissue manufacture.