光学brightener ER-II液体(EB330)

Chemical Name 1-(2-CYANOSTYRYL)-4-(4-CYANOSTYRYL)BENZENEThe same name C.I.199-2; FBA ER-II, OBA EB-330Fluorescent Brightener 199:1, ER-II;2,4'-[1,4-Phenylenebis(2,1-ethenediyl)]bisbenzonitrileCAS NO. 13001-38-2C.I.NO. 199:1Appearance Light yellow liquidIonicity NonionicActive content 20%PH value 4-7 Application Used for polyester, cotton, polyester filaments, polyester yarn, polyester wool, polyester blended linen and other textiles whitening, is also used in leather, coating industries such as whiteningPackingPacking in 25kg plastic drum or according to the requirement of the customers USAGE 1Pad dyeing process Rate of use: 2-4g/l; Procedure: Twice dipping and twice padding100°Cpre-drying180-200°Ccuring for 20-30s for setting. (Water wash can be dispensed with.) USAGE 2High-temperature -pressure dip-dyeing process Rate of use: 0.2-0.6 %( O.W.F.) Bath ratio: 1:30 PH: adjust the PH value to 4-5 Keeping dyeing temperature at 130°C for 60min reduction clearing drying.