The boundaries of the chemical industry, then, are somewhat confused. Its main raw materials are the fossil fuels (coal, gas, and petroleum), air, drinking water, salt, limestone, sulfur or an equivalent, and some specialized recycleables for special items, such as phosphates and the mineral fluorspar.
The chemical industry comprises the firms that Air Compressor For Production Of Chemical Raw Materials 
produce industrial chemicals. Central to the modern world economy, it converts raw materials (oil, natural gas, air, water, metals, and minerals) into a lot more than 70,000 different products.