1, ballpoint pen properties: water-based ballpoint pen.
2. Ballpoint pen properties: A pen that takes out the writing medium by rolling the ball at the front end of the pen or refill.
Second, the characteristics are different.
1, ballpoint pen features: simple structure, easy to carry, smooth writing, suitable for copying. From school students to office workers, people from all walks of life are happy to use this utility model. Ballpoint pens are different from fountain pens. It uses dry and thick ink, and the freely rotating steel ball on the nib transfers the ink to the paper. Therefore, there is no leakage, it is not affected by the weather, and the writing time is long, which saves the trouble of frequent ink replenishment.
2. Features of ballpoint pen: A pen with tiny rotating beads, which are made of brass, steel or tungsten carbide and can release ink to paper when writing. Ballpoint pen is very different from its predecessors-reed pen, feather pen, metal nib pen and fountain pen.
Extended data:
The writing principle of ballpoint pen is that the ball directly contacts the paper to generate friction, which makes the ball roll in the ball seat and bring out the ink in the refill, thus achieving the purpose of writing.
The nib of a ballpoint pen is a small steel ball. Insert a small steel ball into a small cylindrical copper bowl and connect the plastic pipe with ink. As the steel ball rotates, the ink flows out of the four circles.
The pigment of ballpoint pen ink is dye. There are three main colors of ink: blue, red and black, among which blue ink is the most widely used. In the past, the pigments in blue ink water were basic fuchsin and basic violet, and the solvents were oxidized castor oil and ricinoleic acid.
Baidu encyclopedia-ballpoint pen
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