Wet end
With the term of WET END we describe the portion of the paper machine which includes the headbox, the wire part and the press section. Many products are added to the papermaking furnish to modify or improve certain paper properties including internal additives and agents which serve as processing aids on the wet end. Lamberti S.p.a. has been active form more than 50 years supplying speciality chemicals also for the wet end section.
Fixing agents
Cationic aqueous solutions for colored pigments and dye fixation on the cellulosic fiber.
Defoamers
Oil and water-besd defoamers to prevent and remove the foam in the white water loop.
Bulk agents
Non ionic bulk enhancer for board and paper. It contributes to improve the drainage.
Dry and wet strength enhancers
CARBOCEL: purified and technical grade carboxymethylcellulose to enhance dry and wet strenght paper properties.
DAICOL: non ionic and cationic guar gum derivatives to improve mechanical resistance and internal bond.
LAMFIX: Liquid polysaccharide derivative used as WSR (Wet Strenght Resin) enhancer.