1. The main raw material of candles is paraffin wax, which is made from waxy fractions of petroleum by cold pressing or solvent dewaxing. Paraffin is a mixture of several higher alkanes, mainly n-docosane (C22H46) and n-octacosane (C28H58), containing about 85% carbon and 0/4% hydrogen/kloc-. Accessories added include white oil, stearic acid, polyethylene, essence, etc. Among them, stearic acid is mainly used to improve softness, and the specific amount depends on what kind of candle is produced.

2, fusible, less dense than water, insoluble in water. When heated, it melts into liquid, colorless and transparent, slightly volatile when heated, and can smell the unique smell of paraffin. Solidified into a white solid when it is cold, with a slight special smell.

3. At present, there are four kinds of wax, except traditional animal wax (beeswax, insect wax, whale wax) and plant wax (wood wax, bayberry wax, palm wax, etc. ) and mineral wax (montan wax, paraffin), there are more synthetic waxes as new wax resources.