What Is Prayer Flag Ink Made Of? Traditional and Modern Black Ink
Category: Ritual Objects | Tradition: Tibetan Buddhism and Himalayan Culture | Origin: Nepal, India, and Tibet
Every prayer flag begins as a piece of cloth, but it is the black ink that turns it into a prayer. The mantras, the wind horse and the four animals are all printed in black, from a hand-carved wooden block. So what is this ink made of, and how is it made? The answer has two sides. Traditional ink is made from soot and a natural binder, and modern ink is made from fine carbon pigment and a binder suited to cloth. This guide explains both, how the ink is used to print the flags, and what decides whether a print lasts. Methods differ from place to place and from maker to maker, so this is a general overview, not a single fixed recipe.
Why Prayer Flags Are Printed in Black
Black is the color of Tibetan writing. The most common writing material in Tibetan culture is black ink made from soot, with red ink, made from vermilion, used for special purposes, and gold and silver inks used for the most precious texts. When the words of a mantra or sutra are carved into wood and printed, black ink is the natural choice, as in the old printing houses where the Buddhist scriptures were printed from carved blocks. It gives a clear contrast against all five of the flag colors, so the letters and the images can be read from a distance. The flags are made in five colors, but the sacred words are printed in black.
What Is Traditional Black Ink Made Of?
The oldest kind of black ink is made from soot. Three kinds of ingredients are involved.
• Lampblack (soot): Very fine black carbon that is collected from the smoke of burning oil, resin or wood, such as pine. Soot is almost pure carbon, which is why it is such a deep and lasting black.
• A natural binder: A sticky natural substance that holds the carbon to the surface and lets the ink be spread, such as a plant gum or an animal glue. Without a binder, the fine carbon would simply brush off.
• Water: Used to mix the ink and adjust how thick or thin it is.
In Tibetan culture, ink-making has been a respected craft, and the best inks were valued very highly. Printing houses that made scriptures took care over their ink, and woodblock ink was graded by quality. Some traditions describe additions such as butter or sugar, or aromatic and medicinal substances, to improve how the ink behaves, but practice differs between regions, and we have found no single traditional recipe that applies everywhere.
How Is Traditional Black Ink Made?
In outline, the method is the same in many parts of Asia. These are the main stages.
• Collecting the soot: Oil or resinous wood is burned in a controlled way, and the fine black soot that rises in the smoke is collected on a cold surface.
• Cleaning and grinding: The soot is sorted and ground until it is very fine, so that no coarse grains remain that would spoil the print.
• Mixing: The soot is mixed with water and a binder, such as a plant gum, and worked into a smooth paste.
• Adjusting the consistency: The ink is stirred and adjusted until it is smooth and suits printing, neither so thick that it clogs the carving, nor so thin that it runs.
• Testing: A small print is made on the cloth to check the color, the sharpness of the print and how well the ink grips.
Each maker has their own proportions and habits, and the right feel of the ink is learned by practice.
What Is Modern Black Ink Made Of?
Most modern inks for printing on cloth are based on carbon black, a very fine black pigment made industrially by burning oil or gas under controlled conditions, which gives almost pure carbon. It is closely related to lampblack, though it is made in a more controlled way. Modern printing ink usually contains the following.
• Carbon black pigment: For a deep, even black. It has excellent resistance to light, and it does not fade in sunlight.
• A carrier: Water, or another liquid, that holds the pigment and lets the ink flow.
• A textile binder: A substance that bonds the pigment to the fibers of the cloth, and helps it withstand rubbing, moisture and the weather.
• Additives: Small amounts of substances that help the ink print smoothly and dry well.
What Makes a Print Last?
It is easy to assume that the black pigment decides how long a print lasts. In fact, carbon itself does not fade, and it is one of the most lightfast pigments there is. What decides whether a print holds up is the binder and how well it suits the cloth. If the binder grips the fibers well, the print stays sharp for seasons. If it does not suit the fabric, the ink can rub off, flake or wash out, even though the carbon is unchanged. This is why makers test the ink on the cloth before printing.
A soot-based ink with no binder can form a surprisingly water-resistant layer once dry, but it rubs off easily, and a good binder gives durability that suits the cloth, whether it is natural or a modern textile binder. In short, a traditional soot ink is not automatically waterproof or automatically fragile. How it performs depends on its recipe and the fabric.
How the Ink Is Used to Print Prayer Flags
• Carving the block: A mirror image of the mantra, prayer or image is carved into a wooden block, so that the raised parts hold the ink.
• Inking: The black ink is spread evenly over the raised surface of the block.
• Pressing: The block is pressed firmly and evenly onto the cloth.
• Lifting: The block is lifted straight up so that the print is not smudged.
• Drying: The printed cloth is left to dry before it is cut and stitched or tied into strings.
Which Ink Is Best for Prayer Flags?
There is no single best ink. The right choice depends on the fabric, the scale of the work and whether the aim is to follow tradition closely or to make flags that last in harsh weather.
|
Ink type |
Characteristics |
Suits |
|
Traditional soot (lampblack) ink |
Natural carbon with a natural binder, a deep matte black and a traditional character |
Cotton, and makers who follow traditional methods |
|
Water-based textile ink |
Easy to use and to clean, and bonds well with cotton |
Cotton and other natural fabrics |
|
Carbon black textile ink |
Deep black, sharp print detail, and excellent light resistance |
Cotton, silk and many synthetic fabrics |
|
Screen-printing ink |
Suited to printing large numbers of flags |
Large-scale production |
Whatever the ink, it is sensible to test it on the cloth before printing, for color depth, sharpness, rubbing and fading.
Ink and Different Fabrics
The same ink does not behave in the same way on every cloth. Cotton absorbs ink well and takes both traditional and textile inks. Silk is fine and smooth and needs an ink that does not bleed. Polyester and other synthetic fabrics absorb very little, so they need a binder made for them, otherwise the print will not hold. This is one reason flags in different fabrics are printed with inks suited to each.
Ink, the Environment and Respect
Natural cotton flags printed with natural ink fade and break down over time, which suits the idea of impermanence. Synthetic flags and synthetic inks last longer and do not break down as quickly, so old synthetic flags should not be burned, and it is a good idea to choose the fabric and ink with this in mind. Because the printed words are sacred, flags should be kept off the ground and treated with respect, and old cotton flags may be burned respectfully, as described in our article What Are Prayer Flags?
How We Print Our Prayer Flags
Our prayer flags are printed in the traditional way. A mirror image of each mantra or design is carved into a wooden block, and the block is used to print by hand onto cotton, silk, polyester or other synthetic fabric. In our workshop we use all three kinds of black ink described above: traditional soot ink, water-based textile ink and carbon-black textile ink. We choose the ink to suit the fabric and the flag, for example a traditional or water-based ink for cotton, and a carbon-black textile ink where a deeper black and a longer-lasting print are needed. Each product page lists the fabric and the details of that flag.
Our prayer flags are not blessed. We do not sell blessed items, but we can arrange a blessing at the customer's request, on the customer's behalf. Many people prefer to ask their own teacher.
Read more: What Are Prayer Flags? | What Are Prayer Flags Made Of? | How Are Prayer Flags Made?
Frequently Asked Questions
What is the black ink on prayer flags made of?
Traditionally, soot mixed with a natural binder and water. Modern flags often use carbon black pigment with a textile binder.
What is lampblack?
Very fine black carbon collected from the smoke of burning oil, resin or wood. It is the oldest black pigment used in ink.
Does the ink fade?
The black pigment itself does not fade. What changes is how well the binder holds it to the cloth, so prints wear slowly with sun, wind, rain and handling.
Is the ink waterproof?
It depends on the recipe and the cloth. Soot ink is not automatically waterproof, and a well-matched binder gives good durability.
Why is the ink black?
Black is the traditional color of Tibetan writing and printing, and it gives clear contrast against the five flag colors.
Can I wash printed prayer flags?
No. Flags are meant to fade in the wind, and washing is not part of their care.
Is the ink safe for the environment?
Natural inks on cotton break down over time. Synthetic fabrics and inks last longer, so old synthetic flags should not be burned.
Explore Our Prayer Flags
View our handcrafted prayer flags