Mailers who are sending flat-size mail (such as large envelopes) at Automation and Presorted First-Class Mail. prices. To use these prices, you must mail at least 500 pieces at a time, prepared and sorted according to Postal. Service guidelines.
From here, the liquid fractions are transported to other areas of the refinery for further. processing. Products from Petroleum. The products refined from the liquid fractions of crude oil can be placed into ten main categories. These main products are further refined to create materials more common to everyday life. The. ten main products of petroleum are: Asphalt. Asphalt is commonly used to make roads. It is a colloid of asphaltenes and maltenes that. is separated from the other components of crude oil by fractional distillation.
Crude coal tar is a raw material which is further distilled to produce various carbon products, refined tars and oils used as essential components in the production of aluminum, rubber, concrete, plasticizers, coatings and specialty chemicals.oke is uses as a fuel and as a reducing agent in smelting iron ore in a blast furnace to manufacture steel and in foundry operations. Crude coal tar consists of a mixture of naturally occurring compounds containing hydrogen and carbon that are common to all organic fuels including coal, petroleum and wood.