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Total Issue Size
Fresh Issue + Offer For Sale
Fresh Issue (FI)
Proceeds go to the company
Offer For Sale (OFS)
Proceeds go to the existing investors
Early redemption of outstanding NCDs
Proceeds from the fresh issue were earmarked to fully redeem the company's outstanding non-convertible debentures.
General corporate purposes
The remaining balance of fresh issue proceeds was allocated toward general corporate purposes after issue expenses.
(₹ in Crore)
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Chemplast Sanmar Limited is a specialty chemicals manufacturer based in Chennai, Tamil Nadu, and part of the Chennai based Sanmar Group. The company makes specialty paste PVC resin along with starting materials and intermediates used by the pharmaceutical, agrochemical and fine chemicals industries. It also produces caustic soda, chlorochemicals, hydrogen peroxide, refrigerant gas and industrial salt, running four manufacturing facilities, three in Tamil Nadu and one in Puducherry. The company traces its roots back to 1985 and had previously been listed on Indian stock exchanges before it was voluntarily delisted in June 2012 at a market capitalisation of roughly Rs 1,190 crore. It returned to the public markets with a fresh listing in August 2021. By installed capacity, it ranks as India's largest producer of specialty paste PVC resin, the third largest producer of caustic soda in South India, and the region's largest maker of hydrogen peroxide. The group's scale and decades of operating history in the chlor alkali and specialty chemicals space give Chemplast Sanmar a diversified product base spanning several end industries, positioning it to benefit from demand growth in India's specialty chemicals sector, which has been supported in recent years by global supply chain shifts favouring Indian manufacturers.
Ahead of the issue opening, the company raised about Rs 1,732.5 crore from 78 anchor investors at the upper price band of Rs 541 per share.
Source: RHP • Analysis provided for informational purposes
Last Updated: 20 October 2026, 10:28 PM
Market Leadership in Specialty Paste PVC
The company is India's leading producer of specialty paste PVC resin by capacity, operating in a consolidated market with significant barriers to entry.
Integrated Operations and Diversified Portfolio
Extensive backward integration across chlorochemicals and captive intermediate generation provides operating cost advantages and supply chain resilience.
Custom Manufacturing Capabilities
Advanced custom synthesis capabilities allow the business to supply specialized intermediates to global agrochemical, pharmaceutical, and fine chemical customers.
Feedstock and Chemical Cyclicality
Profitability is exposed to cyclical fluctuations in international petrochemical pricing, particularly key inputs like ethylene and vinyl chloride monomer.
Competition from Import Volumes
The domestic PVC and caustic soda markets face periodic pricing pressure from low-cost overseas imports, especially during regional down-cycles.
Historical Debt and Group Contingencies
Substantial capital structure restructuring was required prior to the public issue to resolve prior debt obligations and group corporate guarantees.
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