WebCoal-tar pitch is a thick black liquid that remains after the distillation of coal tar. It is used as a base for coatings and paint, in roofing and paving, and as a binder in asphalt products. Both coal tar and coal-tar pitch contain … WebMay 27, 2024 · Coal tar is a by-product of bituminous coal, or black coal, which contains a tar-like substance called bitumen, or asphalt. Dermatologists prescribe coal tar to patients with skin...

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WebBlack tar heroin may smell like: vinegar. garbage. burnt sweets. burning molasses. opium. unidentifiable chemicals. Black tar heroin is an addictive, illicit drug that can be injected or inhaled—a practice known as ‘chasing the dragon’. What heroin smells like can vary according to different factors, including how it’s used, substances ... WebJul 3, 2012 · I get this black, tar like buildup inside my skimmer housings. It's a semi-circle crescent in shape, at the water line and is obviously a buildup from the water being drawn into the skimmer. For years, I had assumed it was black algae, but … cotton rabbit animal

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Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. Mineral products resembling tar can be produced from fossil hydrocarbons, such as petroleum. Coal … See more "Tar" and "pitch" can be used interchangeably; asphalt (naturally occurring pitch) may also be called either "mineral tar" or "mineral pitch". There is a tendency to use "tar" for more liquid substances and … See more For at least 600 years, wood tar has been used as a water repellent coating for boats, ships, and roofs. In Scandinavia, it was produced as a cash crop. "Peasant Tar" might be named for the district of its production. Wood tar is still … See more • ^ "Geotimes – February 2005 – Mummy tar in ancient Egypt". Retrieved January 9, 2006. • Details history and uses of "Rangoon Tar" Archived 2009-09-04 at the Wayback Machine See more Coal tar was formerly one of the products of gasworks. Tar made from coal or petroleum is considered toxic and carcinogenic because of its high benzene content, though See more • Creosote • Pitch (resin) • Resin • Rollins Tars • Tar Heels • Tar pit See more WebOct 8, 2024 · Medicines containing bismuth subsalicylate — like Pepto-Bismol — can turn your stools black. Ingesting too much bismuth subsalicylate over a prolonged period of … WebJul 5, 2024 · Black discharge may mean that older blood is leaving the uterus or vaginal canal. Heavy vaginal discharge of any color with a foul odor is also a symptom of these infections. Other symptoms... magazzino sottocosto opinioni