Specification

Colour	Yellowish liquid (suspension)
pH range	7 - 9
Density	1,1 g/cm3
Application method and dosage	Brightening with exhausting from bath method: 0,2 - 0,5% Heliofor PER and addition formic acid or acetic acid. Aproaching slowly to 120°C temperature – 45 minutes and brightening 30 minutes in temperature 120°C. Heliofor PER concentrate, because of good thermal stability is especially recommended for brightening polyester fi bres and mixed polyester/cotton fi bres in padding method. Application: 1 – 5 g Heliofor PER, depending on required whiteness level and kind of material used. Appretures are fi xed by aftercure method in temperature 140-170°C in 30 sec or by Schock-condensation method in temperature 180 – 200°C and time 20 – 25 sec.
Special features	It has very good efficiency and high brighteness level. White with reddish shade. Stable in peroxide bleaching bath.

All the data given in this table elaborated carefully and are based on our experience and you can rely upon them. We cannot however, takeresponsibility for the resault obtained becuse they depend mostly on fabric used and the local conditions of dyes application, and on concentration ofthe dye used and the amount of dyeing assistant.

Application

OBA applicable to brightening: cellulose fibres.