The freezing point of bitumen can vary depending on its composition, but typically it is around 40-60°C (104-140°F).
Yes. Bitumen is already water resistant - it is a mixture of long chain polymers, many of which are asphaltic. You can make acrylic bitumen emulsions which are water dispersible but which, when cured (dried) have the same (or similar) water resistance as pure bitumen.
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Bitumen sands are a natural sand or sandstone deposit which at some stage had been saturated with hydrocarbons. But which at some later stage had been exposed to conditions such that only the heavy (or long-chain) molecules remain. Or at least from which the lighter liquids and volatiles have disappeared. Actually a very common form of hydrocarbon deposit.
why bitumen is used
Bitumen sands are a natural sand or sandstone deposit which at some stage had been saturated with hydrocarbons. But which at some later stage had been exposed to conditions such that only the heavy (or long-chain) molecules remain. Or at least from which the lighter liquids and volatiles have disappeared. Actually a very common form of hydrocarbon deposit.
Mustek manufactures a variety of packed bitumen products. Their bitumen products are produced at the Europoort refinery in Rotterdam, Germany. They produce 3 types of bitumen: penetration bitumen,oxidized bitumen, and hard bitumen.
Cut-back bitumen is a type of bitumen (asphalt) that has been diluted or cut back with a volatile solvent or oil, making it easier to work with at lower temperatures. The solvent evaporates after application, leaving behind a solid bituminous material. Cut-back bitumen is commonly used in road construction and maintenance for surface treatments and prime coating.
Bitumen is use as fuel.
The density of bitumen can vary depending on the temperature. At 25°C, the density of bitumen is around 1,000 kg/m^3. As the temperature decreases, the density increases due to the bitumen becoming more viscous. Conversely, as the temperature increases, the density decreases as the bitumen becomes less viscous.
Typically, bitumen and "asphalt" are interchangeable.
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