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HPL was founded in 1964. Over the last 5 decades, it has established itself as a leader in the area of the of Chemical Blowing Agents (Exothermic and Endothermic) and has increased the product range to include Antioxidants, Azo-Initiators, Chain Extenders and Cross-Linking Agents for polymers, Water Treatment Chemicals, Specialty Chemicals, Hydrazine hydrate and Hydrazine derivatives.

The company has four manufacturing sites : three in Faridabad (Haryana) and one in Derabassi (Punjab). All plants are equipped with state-of-the-art instruments ensuring reliable and safe processes. There is a big focus on ensuring safe operating conditions and environment at all plants. All technologies have been developed in-house and there are no technical know-how transfer agreements, joint ventures or collaborations for any of the products manufactured by the company. The technology development starts from the R&D and progresses through the Technology Development group, the Projects and Engineering Services group, the Manufacturing group, the Environment, Health and Safety (EHS) group before it is finalized and blue-printed. Inter-departmental interface and ratification ensures safety, reliability, efficiency of processes, excellent product quality due to stringent design inputs and reduces development and commercialization time.