Introducing the Sigma Group of Companies — comprising Sigma Rotolining Pvt. Ltd., Sigma Scientific, and Sigma Polymer. Together, we deliver a complete, 360-degree corrosion-protection ecosystem tailored for the chemical, bromine, and specialty process industries.
Across our group, we provide engineered systems, advanced coatings, polymer-lined equipment, and glass assemblies — allowing clients to rely on a single, accountable partner for all corrosion-critical applications.
Our Integrated Capabilities
1. Borosilicate Glass Assemblies & Process Systems (Sigma Scientific)
We design and supply:
Pilot plants
Overhead assemblies
Reaction units and towers
Absorption systems
Complete HCl and Bromine generation systems
These assemblies are engineered for visibility, reliability, and long-term corrosion resistance in highly reactive environments.
2. Fluoropolymer Coating & Rotolining (Sigma Rotolining Pvt. Ltd.)
We offer full-scale protection using:
PTFE, FEP, PFA, ECTFE (Halar), PVDF, and ETFE
Applied on:
ANFDs
Reactors & pessure vessels
Storage tanks
Filters & housings
Agitators, shafts, impellers
Pipelines, spools, fittings
Scrubber and utility equipment
Our processes ensure uniform thickness, chemical resistance, and long-term performance even in severe halogen and bromine environments.
3. PTFE Lined Pipes, Fittings & Valves (Sigma Polymer)
We manufacture and supply:
PTFE / FEP / PFA lined pipes
Lined fittings
Lined valves
Custom lined components
These solutions enable a fully protected flow path across your plant.
Why Partner with Sigma Group
Single-source reliability for all corrosion-protection needs
Engineering-backed execution across glass, metal, polymers, and fluoropolymers
Reduced downtime & extended equipment life
Proven capability in bromine, halogen, and aggressive chemical services
Strong intent to build a long-term strategic business relationship with Hema Dyechem
Rohan Patel
Sigma Group of Companies
Email: rohan@liningcoating.com
Phone: +91 8488048785