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