Chemical name: Stilbene derivative
C.I.Number: 135
Appearance: Slight Yellow liquid
Color light: Similar to the standard sample
Strength, E^1cm_1%: 32-34
Property: DT has properties of high whiteness, low cost, strong fluorescent light and convenient for using.
Process:
1. Pad-thermosol dying process
DT 20-30g/L, procedure: pad(two dips and two squeezes, residual liquor content 70%) -> dry(100℃) -> cure(180-200℃, 20-30s)
Attention:
    (1) The goods must be rinsed thoroughly after pretreatment to ensure the PH below 8.
    (2) The PH of the pad liquor should be adjusted to 4-5 with acetic acid.
2. HT exhausting process
DT 1-3% (o.w.f.) Bath ratio 1:10-30
Treating temperature 120-130℃ Treating time 30-60min
PH 5-10(5-7 is specially recommended)

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