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  • Method for Stiffening a Brush with Glue

    Discussion about Tools, Calligraphy Brush, Product review

    One method involves stiffening a frayed brush with specialized glue.

    Taking care of and storing brushes is an essential task. While various methods exist for stiffening brushes after use without washing the base, using “specialized glue” as professionals do can restore the brush closer to its original condition.

    Why Specialized Glue for Stiffening Brushes is Recommended by Experts

    The advantage of this specialized glue is that it does not damage the brush. Using resin-based ink or similar substances to stiffen brushes can lead to damage, but using this “specialized glue” can preserve the bristles and extend the brush’s lifespan. Another point is the protection it offers for long-term storage of brushes. It can prevent issues such as insect damage and bristle splitting, even for large brushes stored for extended periods. Now, let’s introduce how to use it.

    ■準Items to Prepare

    Specialized glue


    ・A flat board for mixing the glue

    ・A spatula

    ・A brush comb

    ・String (one end of the string should be fixed to a wall or stand)

    *Please ensure that the brush to be stiffened is thoroughly washed and free from ink.


    1.Place about a spoonful of glue on a flat surface, such as a glass plate. This amount should suffice for about ten small brushes. Add water in appropriate amounts until the glue becomes pasty, mixing as you go. It’s necessary to press down as you mix, so ensure you’re working on a flat surface.

    2.Rotate the brush to open up the bristles and spread the glue throughout the entire brush, making sure the glue penetrates the center part of the brush thoroughly.

    3.Remove any excess glue with a spatula, comb the bristles to arrange them neatly, and press down any stray hairs.

    4.Use string to wring out any extra glue. Wrap the string once from the bottom up around the base of the brush tip. Hold the end of the string lightly with your right hand. Pulling the string too tightly will prevent the brush from rotating smoothly. While holding the brush between your thumb and index finger, rotate it in the counter-clockwise direction to wring out the excess glue. (Make sure the string stays straight towards you, and try to keep the brush handle as parallel to the string as possible for best results.)

    5.Rotate the brush in a clockwise direction, and straighten any twists or bends with your fingertips. Be careful not to pinch too hard, or the bristles will not form a fine point. Dry the brush away from direct sunlight. A large brush may take about four days to dry, while a small brush may take about three days.

    The step involving wringing out the glue with string may be a bit challenging, but once you get the hang of it, you can easily maintain your brushes at home. Please give it a try.

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