Industrial applications

Sappi’s lignin-based biopolymer products offer environmentally friendly alternatives to synthetic binders and dispersants for various industrial applications.

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What are Onyx, Collex and Fortex?”

Carbon black and dyes – Onyx provides a combination of binding and dispersing properties for the application of fine pigment particles such as carbon black and dyes.

Pelleting and briquetting - Onyx is an excellent bonding agent which is applied in industrial pelleting and briquetting processes to bind various substrates such as wood fines, metal ore fines and coal fines.

Water treatment and mineral recovery – Collex offers excellent dispersion and complexing properties for use in industrial water treatment applications where scale, corrosion and bio-film inhibition properties are required. The product is also suited for mineral recovery applications where it ensures effective complexing and dispersion of particulate solids during floatation and sedimentation processes.

Sizing (Paper packaging) - Fortex is applied as a strength aid during recycled packaging paper production. The product is introduced at the paper machine size press, partially displacing more expensive starch thereby offering a cost saving whilst simultaneously imparting a significant strength enhancement to recycled fibres and improving machine productivity.