Providing Solutions to the Latex Industry - Quality Dispersions & Emulsions

NF 424


NF 424 is an aqueous dispersion of a modified carboxylated styrene butadiene copolymer. It has been developed for use in precoat of tufted carpet and for needlefelt coating and impregnation and will impart a stiff hand to the final carpet.




Solids 49.5 – 50.0 %
pH 7.7 – 8.3
100 Mesh residues 0.1 gram/litre maximum
325 Mesh residues 0.2 grams/litre maximum
Brookfield viscosity 50 – 200 mPa.s (spindle 2 @ 50 rpm)
Antioxidant Non staining
Film character clear, continuous
MFFT 17 °C
Glass transition temperature 13 °C
Styrene in polymer 63.0 %





Precoating +
Secondary backing
Needlefelt impregnation – one side ++
– full bath ++
Woven carpet backsizing +
Foam backing
Rubber crumb binder
Synthetic grass
(++ highly recommended)
(+ suitable)


These data are typical values and cannot be construed as a specification. For product handling and safety aspects, please refer to the Material Safety Data Sheet.