what are erasable pens made of
Erasable pen ink is a water-soluble solvent-based, supplemented by polymer film, pigments and other additives and other components produced by the color of ink.
The ink and supporting the composition of the pen and board writing tools can be used for school teaching, office, academic exchange, children's painting and calligraphy practice and so on. It is characterized by fluent writing, easy to write easy to rub, no dust pollution, can completely replace the chalk, blackboard. Japan's electrician was the first to study such products, followed by the Swiss Cheb Lakkiki company specifically for the ink to study a series of surface treatment of special pigments, since then, this pen and ink in many countries have developed and have been the world's education The importance of the sector. The product compared with the traditional chalk, with significant economic and social benefits. Products meet the Q / BMS01-1996 standard, the use of proof, is the ideal teaching materials, is a major innovation of traditional teaching equipment, is a new domestic products.