Direct Black 19 Liquid Pergasol Black G for Paper

Here are basic guidelines on how to use black color liquid:
Choose the right dye: There are several types of liquid dyes to choose from, such as fabric dyes, acrylic dyes, or alcohol-based dyes. Make sure to choose a dye that is compatible with the material you are working with.
Prepare the work area: Establish a clean and well-ventilated work space. Cover the work surface with plastic or old newspaper to prevent any spills or stains.
Prepare the item to be dyed: If you are dyeing the fabric, pre-wash it to remove any dirt or chemicals that might interfere with the dye's absorption. For other items, make sure it is clean and dry before starting.
To mix the dye: Prepare the dye mixture according to the directions on the dye package. Pergasol black g or paper black dye 100%. This usually involves diluting the dye with water or mixing it with a recommended liquid such as alcohol or a fabric medium.
Applying the dye: There are various methods of applying liquid dye, such as dipping, pouring, spraying, or using a brush. Choose the method that best suits your project and desired effect.

Liquid black for black cardboard, liquid direct black 19, here is a simple paper dyeing method:
Gathering materials: You'll need paper (such as white or light-colored cardstock or watercolor paper), liquid dye or water-based ink, a plastic container or tray, water, and a sponge brush or eyedropper.
Set up your work area: Cover your work surface with plastic or old newspaper to prevent any spills or stains.
Prepare the dye solution: Follow the directions on the liquid dye or ink to prepare the paper dye solution. Typically, you will dilute the dye to the desired concentration in water. If using water-based ink, it can also be diluted with water.
Wet the paper: saturate the paper by dipping it into a container of water.