วันอังคารที่ 7 สิงหาคม พ.ศ. 2555

Paraffin



Paraffin or kerosene, is refined petroleum products, which are separated from crude oil. Melting point of 47-64 ° C boiling point of about 150-275 ° C, insoluble in water. Accessible, and there are many states with such liquids, solids, by taking advantage of its many forms, such as gas used for fuel. Liquid used as a medicine. Bus is part of the components of toothpaste are used to make candles. In the coating. Add moisture. Help remove stains. If swallowed, this material may cause abdominal pain, nausea, vomiting and severe constipation.

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