The marker in the traditional sense
Since the invention of the marker has undergone significant changes both in the composition and its characteristics. The markers are divided into permanent and nepermanent, that is erasable and there.
First appeared nepermanent markers, which are known as markers. Accessory for writing and drawing consists of a plastic housing, vented or non-vented cap, a porous fibrous web impregnated with the dye, which ends oval or wedge-shaped tip. High-quality markers are environmentally safe, they include water, and they retain their properties. Some types of markers are disposable, and some can be refilled after you use the paint.
The marker was invented in the middle of the last century in Japan. The first models shortly after the release of forbidden to produce because of the high lead content in the composition.
There are different types of marker:
- kids crayons for drawing on paper;
- baby legasthenie markers;
- bright markers to highlight the text (often with a wedge-shaped tip, blue, pink, yellow and green colors);
markers for application notes and recordings on CD and DVD disks, films, glass (they often have a thin stem and blue ink, or black with quick-dry basis);
markers for rear projection used for overhead projectors, transparent foil, plastic and glass;
markers for flipcharts and whiteboards that can be erased with a dry sponge or cloth.
Properties of a permanent marker
Permanent markers are known not only because of its durability of the ink to moisture, but also the ability to maintain color under exposure to high temperatures and ultraviolet light. With a smooth surface trace of the marker can be erased with alcohol or a plastic eraser.
Using permanent markers to decorate clothing, accessories, kitchenware. After applying the pattern to the ceramics product to be "baked" in the oven.
Some models are manufactured on the basis of liquid ink instead of a fibrous web impregnated with the dye. The service life of these markers increases significantly.
Permanent markers can be used on almost any surface from paper, plastic, rubber, leather, metal, glass. Ink will not melt and leave a straight line.