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Apazol

		General Properties								Fastness Properties
		Solubility (g/l) 50⁰C	Dischargeability		Multifibre Staining					Light		Water			Bleaching		Chlorinated Water 20 mg/1	Washing		Perspiration Acid			Perspiration Alkaline			Perspiration Light		Rubbing
apazol Reactive (2%)	Product Name Reactive	Solubility (g/l) 50⁰C	Neutral	Alkaline	Acelate	Nylon	Polyester	Acrylic	Wool	1/1	1/12	Shade Change	Staining on Cotton	Staining on Wool	Hypochlorite	Hydrogen Peroxide	Shade change	Shade Change	Staining on Cotton	Shade Change	Staining on Cotton	Staining on Wool	Shade Change	Staining on Cotton	Staining on Wool	Acid	Alkaline	Dry	Wet
	Yellow 4GL	100	A	B	1	2-3	4-5	4-5	2	>8	4-5	5	5	5	4	4	4	4-5	5	5	5	5	5	5	5	6	5-6	5	3-4
	Yellow 3RS	120	A	B	1-2	3	5	4-5	2	5-6	5	5	5	5	4	4	4-5	5	4-5	5	4	5	5	4	5	5	5	4	3-4
	Orange 2RL(Orange ME 2RL)	120	B	B	3-4	4	5	5	4	4	3	4-5	4	4	4	4-5	3-4	4-5	3-4	4	4	4-5	4-5	4-5	4-5	5	5	4	3
	Red GF	100	A	A	2	3-4	5	5	2	6	5	4-5	5	5	4-5	4-5	3-4	4-5	4	4-5	4-5	4-5	4-5	4-5	4-5	4	4	4-5	3
	Red 3BS	100	C	C	1-2	3	4-5	4	2	5-6	4	4-5	5	5	4-5	4	4-5	4-5	5	4	4	4-5	4-5	4	5	5	3-4	4-5	3-4
	Blue PRF	100	B	C	1	2	5	4	1	6	5	4	4-5	4-5	2	3	3	4-5	6	4-5	4	5	4-5	4	5	4	3-4	4-5	3-4
	Navy Blue ABF	100	B	C	1-2	2	4	3-4	2	4-5	4	5	4	4	4	4	4	5	4-5	4	3-4	4	4	3	5	5	3-4	5	2-3
	Navy AWB	150	A	A	1	2-3	4	3-4	2	4	3	5	5	5	3	4-5	1	4-5	5	4-5	4-5	5	5	5	5	4-5	3-4	4	3
	Deep Black AGR	150	A	A	2	2	4	3-4	2	4-5	3-4	5	5	5	3	4-5	3	5	5	5	5	5	5	5	4-5	4-5	3-4	4-5	3
	Deep Black AW2N	150	A	A	3	3	4	3-4	2-3	4-5	3-4	5	5	4-5	1	4-5	4	4-5	4-5	5	5	5	5	5	5	4-5	3-4	4-5	3

apazol Reactive Name

Yellow 4GL (Yellow ME4GL)	Brilliant Greenish, dischargeable Yellow dye. Good fastness to light and perspiration.
Yellow 3RS (Yellow MERL)	Economical, for pale and medium combination shades. Low phototropism, good fastness to light and chlorine
Orange 2RL (Yellow ME2RL)	Economical dye dischargeable, trichromatic shades, low phototropism.
Red GF	Good fastness to light.Basis for pale combinations shades.
Red 3BS (Red ME4BL)	Basis for pale and medium combination shades. Reliable reproductibility.Good fastness to chlorine.
Blue BRF	Basis for pale and medium combination shades. Reliable reproductibility.
Navy Blue ABF(Blue BF)	Navy Blue dye for medium and deep combination shades.
Navy AWB(Black B)	Main component is navy blue, economical dischargeable, combination shades.
Deep Black AGR (Black HFGR)	Good dischargeability, solubility and stability. High colour yield.
Deep Blac AW2N	Less staining on polyamide. High colour yield Dischargeability.

Exhaust Dyes

Cost-effectiveness, excellent build-up.
Excellent levelling properties.
Excellent fastness properties
Reliable reproducibility.

Recipe

X % A P Industries apazol Dyes
0.5-1 g/l Dispersing Agent
y g/l Salt
Z g/l Alkali

General Instructions

Soft or deminerilised process water should normally be used. (<4⁰ dH hardness) The pH should be almost neutral.
Either common salt or glauber's salt can be used. Since this can reduce the color yield it s best to switch to a better quality salt in such cases.
Caustic soda, soda ash and blends of soda ash/sodium bocarbonate are used to fix the dyestuffs. The type and amount of alkali required varies for different type of dyeing methods.
Sequestering agents are used to reduce water hardness and make complexitis with free heavy metal ions.

General Method

Green and Turquoise Shade dyeing temperature is 80⁰C and the temperature must be raused very slowly.For green and Turquoise shades,only Glauber's salt is recommended.

Constant Temperature Method

Salt and Alkali Requirements

apazol Dyes (%)	Glauber's Salt ( g/l )		Alkali ( g/l )		Fixation tim/(min)
apazol Dyes (%)	Unmercerized cotton	Mercerized cotton	Soda Ash	Soda Ash + Caustic Soda 38⁰ BE	Fixation tim/(min)
<0.5	20	10	10	5 + 0.5	30
0.5 - 1.0	30	20	15	5 + 0.5	45
1.0 - 2.0	40	30	20	5 + 1.0	60
2.0 - 3.0	50	40	20	5 + 1.0	60
3.0 - 4.0	60	50	20	5 + 1.0	60
4.0 - 5.0	70	60	20	5 + 1.5	60
5.0 - 6.0	80	70	20	5 + 2.0	60
<6.0	80	70	20	5 + 2.0	60

Washing

To obtain optimum wet fastness properties, all unfixed dyestuffs has to be removed from the fibres. The first after treatment phase geared primarily to reducing the concentration of electrolyles and alkali. The number of rinse baths are depending upon depth of shade, liquor ratio and liquor retention on capacity of the goods.

Cold rinsing
Neutralization (0.5 g/l acetic acid (50%), 40-50⁰C, 5-10 min.)
Hot rinsing ( 1 g/l Soaping agent, 98⁰C, 10 min. )
Hot rinsing ( 95⁰C, 5-10 min. )
Hot rinsing ( 70⁰C, 5-10 min. )
Cold rinsing ( 20-30⁰C, 5-10 min. )

Improving Wet Fastness

Fixing Agent : 1.2 g/l
Fixing temperature : 40-50⁰C
Fixing time : 20 min
pH value : 4-5

Abbreviation

H : High
M : Moderate
L : Low
A : Dischargeable
B : Still Sufficiently Dischargeable
C : Less Chargeable

Redyeing

Shading dyes are closed into the liquor continuously or in parts. The bath is then held for 15-30 min before sampling the shade again.
When dyeing goods with pale shades, half of the dyebath should be drained and replaced with cold water. However, for every additional shading procedure, 1/4 of the original amount of chemical liquor must be added to the bath.
For shading additions of 20-30%, the bath must be drained completely. The shading dye is then applied from a fresh bath with proportionals amounts of salt and alkali.