Performance and technical requirements of RT GEL PEN
 Feb 09, 2022|View:176

RT Gel PEN combines the advantages of a fountain PEN and an oil-based ballpoint PEN. It is comfortable to write with a low ink viscosity and an appropriate lubricant. The viscosity of the writing medium is between water and oil, therefore, RT GEL PEN is more smooth than ordinary oil-based ballpoint PEN, which is an upgrade of oil-based ballpoint PEN products.


RT GEL PEN is a kind of ballpoint PEN, and its writing principle, head structure, and processing technology are similar to the traditional oil ballpoint PEN. The research and development of neutral ink are more difficult, there are Japan, the United States, Germany, South Korea, and other countries to produce neutral ink, to Japan as the best. The key points of the development of neutral ink are the formula of ink, the process matching with the formula, the matching of ink and pen head.


Firstly, during the preparation of RT GEL PEN formulation, the ink should have proper viscosity, surface tension, and pH value, so as to ensure the PEN is smooth and does not leak, it also ensures that the ink is light-resistant, water-resistant, heat-resistant, cold-resistant, moisture-resistant, and permeable. At the same time, the stability of the ink must be resolved, and the ink can be kept for a long time without deterioration, without delamination or precipitation, RT GEL PEN also ensures that the ink is safe, non-toxic, and non-corrosive.

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