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Ebonite is a brand name for a material generically known as hard rubber or vulcanite, obtained via vulcanizing natural rubber for prolonged periods. Ebonite may contain from 25% to 80% sulfur and linseed oil .
Duroplast is a composite thermosetting resin plastic developed by engineer Wolfgang Barthel in 1953 [2] in the German Democratic Republic. [ 3 ] [ 4 ] Its production method places it in a similar family as Formica and Bakelite .
In 1893, French chemist Auguste Trillat discovered the means to insolubilize (i.e., to make a substance incapable of being dissolved in a liquid, especially water) and harden considerably casein by immersion in formaldehyde, also preventing it from decomposing via micro-organisms and water like older 19th century "moldable casein" formulations preceding his discovery which had an extremely ...
The result is a hard plastic material. [27] Asbestos was gradually abandoned as filler because many countries banned the production of asbestos. [10]: 9 [28] Bakelite's molding process had a number of advantages. Bakelite resin could be provided either as powder or as preformed partially cured slugs, increasing the speed of the casting.
Documented Nahuatl words in the Spanish language (mostly as spoken in Mexico and Mesoamerica), also called Nahuatlismos include an extensive list of words that represent (i) animals, (ii) plants, fruit and vegetables, (iii) foods and beverages, and (iv) domestic appliances. Many of these words end with the absolutive suffix "-tl" in Nahuatl.
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Image credits: toptrot #4. My high school used to have a d**g project where we’d have to give a presentation on a certain d**g. There was a little thing on how it’s made, like in a lab or it ...
A Thai court jailed a famous Spanish actor's son for life for the grisly murder of a Colombian plastic surgeon on a tropical holiday island in a lurid case that has gripped Spain.