标签：used 煤焦油 asphalt Bitumen bitumen why 沥青
沥青 - 百度百科 沥青主要分为煤焦沥青、石油沥青和天然沥青三种。煤焦沥青是炼焦的副产品。石油沥青是原油蒸馏后的残渣。有的天然沥青储藏在地下，有的形成矿层或在地壳表面堆积。沥青主要用于涂料、塑料、橡胶等工业以及铺筑路面等。
Pitch is the ancient name for various types of tar, black turpentine [松脂; 松节油] and bituminous earth [沥青土; 土沥青; 天然沥青]. 松节油是通过蒸馏或其他方法从松柏科植物的树脂所提取的液体。
Bitumen Vs. Asphalt: What’s the Difference? - American Parking Control
Learning the difference between bitumen vs. asphalt can be confusing, because the terms actually mean different things in different parts of the world. In the UK, the word "bitumen" actually refers to what we in the US call "asphalt". Thus, many countries use these terms to mean the same thing. However, here in the US, they mean different things.
Asphalt, in American English, refers to the fine sand or gravel paving material commonly used on roads. Bitumen refers to the semi-solid material that holds the asphalt material together. Bitumen is now used in the same way that tar was used in the past. Since tar is no longer considered a safe substance for construction, bitumen is used due to its similar color, texture, and strength.
Bitumen isn't usually used on its own. However, it is a key ingredient for asphalt, which means it is used while your asphalt is being mixed.
Tarmac is a British building materials company headquartered in Solihull, England. 它和沥青的关系可能像Jeep或Kleenex. Kleenex is trademark a tissue，成了纸巾的代名词。
Asphalt: Bitumen: Pitch - Nature
The use of bituminous materials can be traced back to very early times, and the occurrence of natural asphalts had an undoubted influence on the course of civilization in Eastern countries. A substance which could be softened or liquefied by heat and with which solid materials could be incorporated had obvious practical uses in addition to embalming and sculpture. Perhaps the early civilizations of the Near East may be largely attributed to the possession of a constructional material which could be used as mortar in building, for road-making and, on account of its waterproofing qualities, for the construction of boats and baths.
焦油是由煤、油页岩或木材等经干馏而得的油状产物(煤焦油、页岩焦油、木焦油)。还有裂解石油而得的裂解焦油。煤焦油分为低温煤焦油、中温煤焦油和高温煤焦油。
标签：used,煤焦油,asphalt,Bitumen,bitumen,why,沥青 来源： https://www.cnblogs.com/funwithwords/p/16579500.html
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