When.com Web Search

  1. Ads

    related to: carbon black printing paper wholesale suppliers cheap price

Search results

  1. Results From The WOW.Com Content Network
  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Chlorine, sulfur and carbon (as coal) are cheapest by mass. Hydrogen, nitrogen, oxygen and chlorine are cheapest by volume at atmospheric pressure. When there is no public data on the element in its pure form, price of a compound is used, per mass of element contained. This implicitly puts the value of compounds' other constituents, and the ...

  3. Carbon print - Wikipedia

    en.wikipedia.org/wiki/Carbon_print

    Carbon tissue was a stock item in Europe and the US well into the 20th century, [1] but by the 1950s carbon printing was very rare and supplies for it became an exotic specialty item. Some companies produced small quantities of carbon tissue and transfer papers for monochrome and three-color work until around 1990.

  4. Carbon black - Wikipedia

    en.wikipedia.org/wiki/Carbon_black

    Carbon black (with subtypes acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of coal tar, vegetable matter, or petroleum products, including fuel oil, fluid catalytic cracking tar, and ethylene cracking in a limited supply of air.

  5. Chemical industry - Wikipedia

    en.wikipedia.org/wiki/Chemical_industry

    While much smaller in volume than other chemical sectors, their products tend to have high prices – over ten dollars per pound – growth rates of 1.5 to 6 times GDP, and research and development spending at 15 to 25% of sales. Life science products are usually produced with high specifications and are closely scrutinized by government ...

  6. Thermal paper - Wikipedia

    en.wikipedia.org/wiki/Thermal_paper

    A receipt printed on thermal paper. A heat source near the paper will color the paper. Paper roll for thermal fax machine. Thermal paper (often supplied in roll form, and sometimes referred to as an audit roll) is a special fine paper that is coated with a material formulated to change color locally when exposed to heat.

  7. Electroconductive carbon black - Wikipedia

    en.wikipedia.org/wiki/Electroconductive_carbon_black

    Carbon black particle size is between 10 and 100 nm, while the surface particle size is between 20 and 1,500 m 2 /g. Generally speaking, small carbon black particles with a high surface area are darker, have higher viscosity and lower wettability, are harder to disperse, retain greater conductivity and absorb UV radiation well. [1] [2] [3] [7] [8]

  1. Ads

    related to: carbon black printing paper wholesale suppliers cheap price