This is the water-soluble acid dye applicable for anodizing absorptive dyeing. The dyed surface will turn to black but partially blue grey, offering the excellent fastness to heat. It is necessary to add the anti-mildew agent to the new dye as they will be mildewed under some certain conditions.

Details

Type： Acid Dye
Model： PNS BLACK PS-2002
Property： This is the water-soluble acid dye applicable for anodizing absorptive dyeing. The dyed surface will turn to black but partially blue grey, offering the excellent fastness to heat. It is necessary to add the anti-mildew agent to the new dye as they will be mildewed under some certain conditions.
Storage condition： The dye should be sealed up and stored in the dry place.

Working condition：

Concentration	0.1～10 g/L
pH	5～6
Temperature	25～55°C
Buffering agent	Dye Buffer PL-BS is necessary
Water quality	Running water (Pure water is recommended)
Sealing	Sealing salt exclusively sold by Pionmi is recommended.

Bath make-up:

The dye should be dissolved thoroughly before dyeing bath make-up. 

Dissolving the dye with the hot water (over 80℃, dye:water =1:30) in an isolated container as the master solution and then pour it into water tank by stirring to make up dyeing bath to the suitable concentration.

Color fastness to light: Excellent. The dye can be used outdoors.

Explanation: Continuous filtration is necessary during the process of using. The dyed surface without sealing can be removed by the dilute nitric acid.

Disposal for waste dyeing solution: The waste dyeing solution can be precipitated by Dyeing Wastewater Precipitator PD, the guideline of which is explained in details in the technical information of Dyeing Wastewater Precipitator PD. Please contact us for enquiry if necessary.

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PNS BLACK PS-2001