Bleached Chemi-ThermoMechanical Pulp (BCTMP) is a
pulp
Pulp may refer to:
* Pulp (fruit), the inner flesh of fruit
* Pulp (band), an English rock band
Engineering
* Pulp (paper), the fibrous material used to make paper
* Dissolving pulp, highly purified cellulose used in fibre and film manufacture
...
product used by the
paper industry
The pulp and paper industry comprises companies that use wood, specifically pulpwood, as raw material and produce pulp, paper, paperboard, and other cellulose-based products.
Manufacturing process
In the manufacturing process, pulp is intro ...
as a less-expensive alternative for
Northern Bleached Softwood Kraft (NBSK).
BCTMP was first produced by Millar Western in 1988 in its Whitecourt Mill, and was initially used in lower grade
paper
Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, Textile, rags, poaceae, grasses, Feces#Other uses, herbivore dung, or other vegetable sources in water. Once the water is dra ...
applications.
The product is attractive to producers because it needed less
capital
Capital and its variations may refer to:
Common uses
* Capital city, a municipality of primary status
** Capital region, a metropolitan region containing the capital
** List of national capitals
* Capital letter, an upper-case letter
Econom ...
to construct the production facilities. It also provides higher yields than other processes, which lowers the total
cost of production
Manufacturing cost is the sum of costs of all resources consumed in the process of making a product. The manufacturing cost is classified into three categories: direct materials cost, direct labor cost and manufacturing overhead. It is a factor i ...
. In addition, BCTMP provides higher bulk,
opacity
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shie ...
, and stiffness in the final product, and the process is more
environmentally friendly
Environment friendly processes, or environmental-friendly processes (also referred to as eco-friendly, nature-friendly, and green), are sustainability and marketing terms referring to goods and services, laws, guidelines and policies that c ...
.
See also
*
Northern bleached softwood kraft
*
Southern bleached softwood kraft
References
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Pulp and paper industry