copal


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copal

a hard aromatic resin, yellow, orange, or red in colour, obtained from various tropical trees and used in making varnishes and lacquers

Copal

 

a class of natural fossil resins composed primarily of resin acids. Copals are extremely hard, with a high melting point (up to 360°C and higher) and great chemical stability. Their density is 1.03–1.07 g/cm3. The color of copals ranges from colorless to brown. The names of copals are often derived from the places of extraction, for example, Zanzibar, Mozambique, Angola, Borneo, and Brazil copals. Copals are widely used in the manufacture of varnishes. With the appearance of synthetic resins, their importance has decreased.

copal

[′kō·pəl]
(materials)
Hard, resinous substance exuded from certain trees in the East Indies, South America, and Africa and used in varnish and printing ink.

copal

Resin of natural origin used in varnishes to provide gloss and hardness.
References in periodicals archive ?
La resina se endurece primero por la perdida gradual de sus componentes volatiles, tales como alcohol y grasa, sufriendo un proceso de polimerizacion para convertirse en copal, el cual posteriormente pierde la mayor parte de estos componentes durante su enterramiento hasta convertirse en ambar.
One gram of Manila Copal was stirred on a magnetic stirrer in 100 mL of the investigated solvent at room temperature, and the time measured until the whole copal was fully dissolved.
Amidst the burning copal incense another Aztec warrior dressed in a magnificent suit of white eagle feathers, wings alighting into the confines of the NEW LATC theater space, resembles the type of "fancy dancing" done by modern Native American dancers at Pow-wow's and other ceremonial gatherings.
Etimoe, figured etimoe, olumni, allihia, nomatou, ashanti, etedua, buini, gum copal, and salikunda
A cluster from Toluca suggests familial funerary traditions (somewhat outside the Catholic norm) with a son requesting burial next to his father under a copal tree (pp.
1, as the new regional edition settles in at La Rural, Predio Ferial de Buenos Aires, under sponsorship of COPAL (Coordinadora de las Industrias de Productos Alimenticios).
Mientras son calabazas o calaveritas, difuntitos o brujas de Salem, el Laboratorio de Pruebas de eSemanal resulta un sahumerio de copal para ahuyentar los olores sulfurosos del infierno y da inicio a la guerra de los procesadores de doble nucleo en tierra azteca.
But the end of car production at Longbridge saw the group forced to close its Copal Castings factory in Handsworth - a long-running supplier to Longbridge - with the loss of around 70 jobs.
The extant spider family Selenopidae has been described from sub-fossil specimens preserved in Madagascan copal (Bosselaers 2004; Wunderlich 2004; Penney et al.
3-million-member Epi copal Church approved the ordination of women to the priesthood.
5 km SE de San Vito 18 Cafetal - fragmento de bosque Agua Buena, 650 m SW de Copal 19 Cafetal - fragmento de bosque Linda Vista, 1.
Today, the Perez family is among 100 or so families of former refugees who have made their home in Copal AA (pronounced KO-pa-LA), a tiny town along the banks of central Guatemala's Chixoy River.