Bond, Machine & Thermal Paper Roll
Direct Thermal Technology
Direct thermal imaging technology uses a document media which contains the “ink” in a colorless form as a coating on the surface. Heat generated in the tiny printhead element transfers to the thermal paper roll and activates the ink to develop color. Direct thermal imaging uses a single consumable.
Thermal Transfer Technology
Thermal transfer imaging technology uses a transfer ribbon in addition to the document media. Heat generated in the tiny printhead is transferred to the plastic ribbon, which in turn releases the ink to be deposited on the receptor media. Thermal transfer requires two consumables – the ribbon and the document.
Benefits of Thermal Printing Include:
- Low cost of ownership
- No ribbons or cartridges
- Small printer footprint
- Low noise
- Low maintenance
- Full graphics capability
- 600 dpi capability
- Single Media
The name “bond” was originally given to a paper, which was used for printing bonds and stock certificates. It is now used in referring to paper used for letterheads and many printing purposes. The important characteristics of bond rolls are finish, strength, freedom from fuzz and rigidity.
Carbonless paper uses a chemical reaction between two different contacting coatings to transfer an image when pressure is applied. A paper that is most often used for multiple part forms, it contains a chemical coating on the front side (designated as CF) or on the back side (designated as CB), or on both sides (designated as CFB). When a handwritten or machine impression occurs on the first sheet of multiple parts, the impression transfers from one page or ply to the next due to the bursting of tiny microcapsules in the chemical coating used to release a darkened copy of the impression occurring on the first sheet.
Paper that has a carbonless coating applied to the back. The CB paper will transfer an image to the CFB or to the CF paper.
Paper that has the carbonless coating applied to the front and back. The CFB paper will transfer an image to another CFB paper or to a CF paper.
Paper that has the carbonless coating applied to the front. The CF paper does not transfer an image. It accepts the image from the CB or CFB paper.
Self Contained Paper
The self contained paper does not require any other chemical transfer to create an image.
Synthetic Fiber Paper
Papers made from synthetic fibers such as polyamide and polyester, from viscose staple fiber or sometimes also with fillers. The fibers are mainly held together by binders. The durable synthetic fiber papers are used for maps and highly important documents such as driving licenses or vehicle registration books.
Flexography is a printing process that utilizes a flexible relief plate that can be adhered to a printing cylinder. It is basically an updated version of letterpress. It is much more versatile than letterpress in that is can be used for printing on almost any type of substrate including plastic, metallic films, cellophane and paper. It is widely used for printing on the non-porous substrates required for various types of food packaging. It is also well suited for printing large areas of solid color.
THERMAL PAPER STORAGE AND SHELF LIFE
Shelf life – Storing thermal products in a dark place at a relative humidity between 45% and 65% and a temperature below 77°F will assure satisfactory performance for at least three years from the date of manufacture.
Stability – Once thermal products have been imaged on the recommended equipment, the image should remain legible for at least seven years, assuming the documents are properly stored with compatible materials under normal filing conditions, with a relative humidity between 45% and 65% as well as a temperature below 77°F.
Fade Resistant – Thermal products use dye and coreactant technology to form an image. The combination is slightly sensitive to ultraviolet (UV) light and may exhibit some image decline with extended exposure to office light or shorter exposure to intense UV light. The stability of the image will depend upon the degree to which the image was originally developed, the individual product design, the intensity of the UV light and the character of UV (percent of UV range in a light source). Sheet discoloration may also occur with prolonged exposure to UV light.
Contact Storage –We recommend that thermal grade printer paper rolls not be exposed for long periods to certain vinyls, plastics, shrink wraps, adhesives, wet-toner copies or certain carbon papers. An exception to these general guidelines would be our specially topcoated tag, ticket and label grades. Top-coated grades are more resistant to these incompatible materials, but images can still be affected with prolonged exposure.
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