Winsor and Newton Calligraphy inks have a permanence rating of AA or A, but are not waterproof. The inks have been formulated with carefully chosen pigments to ensure maximum color brilliance. Single pigments have been used where possible to enable clean color mixes. It is recommend that you test the inks with your chosen pen to ensure optimum performance.
Additional information
Weight | 0.11 kg |
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brand | Winsor & Newton |
dimensions | 4.5 x 4.5 x 6 cm |