SIZING AGENT

A sizing agent in the pulp and paper industry is a crucial chemical additive used primarily to impart water resistance to the paper or paperboard.

Without sizing, paper is highly absorbent (like blotting paper), causing writing inks and printing fluids to bleed, blur, and penetrate through the sheet.

INTERNAL SIZING

Added to the (wet end) before sheet formation.

• CATIONIC ROSIN (BULL CRE 180)
• AKD EMULSION (BULL 1700)
• FORTIFIED ROSIN (BULL FR 580)
• NEUTRAL SIZE ROSIN (BULL NS 280)

SURFACE SIZING

Applied to the at a dedicated stage, usually a size press.

• ANIONIC SURFACE SIZE (SS BULL 305)
• CATIONIC SURFACE SIZE (SS BULL 505)
• CATIONIC SURFACE SIZE (SS BULL 905)