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There are two main types of roller ball pens: liquid-ink pens and gel-ink pens. The "liquid-ink" type uses an ink and ink-supply system similar to a fountain pen, and they are designed to combine the convenience of a ballpoint pen with the smooth "wet ink" effect of a fountain pen. The "liquid-ink" type rollerball pens were introduced in 1963 ...
A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.
Gel pens. Compared to other inks, gel ink has higher melting point viscosity, which supports a higher proportion of pigments in the medium.The pigments are typically copper phthalocyanine, carbon black and iron oxides, and the gel is made up of water and biopolymers, such as xanthan gum and tragacanth gum, as well as some types of polyacrylate thickeners.
The pen is available in many different ink colors, ranging from the classic blue, black, red, and green of traditional offices, to pink, purple, and other modern and artistic colors. The thick ink flows down due to capillary action from the tube inside the barrel, to feed the ball, which can rotate within a brass bearing. [13]
Ballpoint pen – an ink pen which uses a roller ball tip; Ballpoint pen artwork; Bic Cristal – a brand of inexpensive, disposable ink pen; Birmingham pen trade – commerce of ink pens in Birmingham, England; Birmingham Pen Trade Heritage Association; Biro – a type of ink pen, also known as a ballpoint pen
One must write with a ball point pen on top of Tipp-Ex, as a liquid ink pen will smudge. Gel ink will require a few seconds to fully dry, but can be used if no ball point pen is available. Gel ink will require a few seconds to fully dry, but can be used if no ball point pen is available.
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