Parag Gases and Chemicals Private Limited supplies Pure Nitrogen Gas in Tamper Proof Cylinders. Parag Gases and Chemicals Private Limited offers various types of industrial gases, ultra high pure gases and calibration gases, Industrial chemicals, lubricants, refrigerant gases etc. Pure Nitrogen Gas in Tamper Proof Cylinders serves as an inert replacement for air where oxidation is undesirable. This Pure Nitrogen Gas is used in manufacturing of electronic parts like transistors, diodes and integrated circuits.