OBA VBL

Main composition :
Stilbene derivative

Technical Index :
Appearance: slight yellow power
Strength: 100 ± 3( against standard product)
Moisture: = 5%
Fineness(80 mesh residue): = 5%

Properties and Features:
 Has slight purple fluorescence .
 Soluble in 80 times of soft water, stable to hard water up to300ppm.
 Is a anionic agent, alkali resistant, can be used together with anionic/nonionic surfactant in one bath.
  Un-compatible with copper, iron ion, cationic dyestuff and surfactant.

Application field:
 For 100% cotton fabric and polyester/cotton Fabric.
 For white pattern in white discharge printing of cotton fabric.
 For brightening of pale shade cellulosic fiber fabric.

Application Process:
 Exhaust process
VBL: 0.05~0.5%(o.w.f); L/R: 1:5~30,; Na₂SO₄ :0~10g/L; pH: 7.0~9.0; temperature: 40 ? -100 °C run: 20~40min, drying ? curing.
 Pad process
VBL: 0.5~3g/L; pH: 7.0~9.0; speed: 30~40m/min.

Package & Storage:
Packed in cardboard drum net 25kgs, Stored under dry and cool condition without light.