4.7 Optical brighteners

		fibres				application and properties
	ionic character	CEL	keratin	polyamide	PES/ triacetate	white shade on fabric	preoxide bleach	reductive bleach	chlorite bleach	exhaust process	pad app.
TUBOBLANC BL	a liq	Ąż	Ąż	Ąż		neutral to slightly reddish	Ąż(2)	Ąż		Ąż(1)	Ąż
TUBOBLANC COL	a pow	Ąż	Ąż	Ąż		blue-violet	Ąż	Ąż		Ąż(4)
TUBOBLANC CRL	a liq	Ąż	Ąż	Ąż		reddish	Ąż	Ąż	Ąż	Ąż	Ąż
TUBOBLANC DIK	a liq	Ąż				neutral to bluish	Ąż	Ąż		Ąż(1)	Ąż
TUBOBLANC EBF	n liq				Ąż	bluish	Ąż(3)	Ąż	Ąż	Ąż	Ąż
TUBOBLANC ERN	n liq				Ąż	reddish	Ąż(30	Ąż	Ąż	Ąż	Ąż
TUBOBLANC HA	a liq	Ąż	Ąż	Ąż		neutral to bluish	Ąż	Ąż		Ąż
TUBOBLANC HA-PD	a pow	Ąż	Ąż	Ąż		neutral to bluish	Ąż	Ąż		Ąż
TUBOBLANC MA	a liq	Ąż	Ąż	Ąż		neutral to slightly reddish	Ąż	Ąż		Ąż	Ąż(2)
TUBOBLANC PE-R	n				Ąż	reddish	Ąż(3)	Ąż	Ąż	Ąż	Ąż
TUBOBLANC RUB	a liq	Ąż				red-violet	Ąż	Ąż		Ąż(1)	Ąż
TUBOBLANC 2B CONC	a pow	Ąż				neutral to bluish	Ąż	Ąż		Ąż(1)	Ąż

(1) Addition of salf for exhaust process
(2) Suitable to a limited extent. Pretrials are required.
(3) With PES/cellulose mixed articles also applicable in peroxide bleach.
(4) Shaded