
Industries We Serve
High-Resistance Seals for Aggressive and Harsh Chemicals
From strong acids and caustics to solvents, steam, and oxidising media, our compounds are developed, mixed, and qualified in-house engineered for the exact chemistry your plant handles, not the nearest available grade.
Overview
The question is never "which seal?" It's "which material?"
In chemical processing, the answer changes with every media, temperature, and concentration:- an elastomer that performs for years in acid can fail in weeks in caustic. And failure rarely announces itself: it arrives as swell, hardening, or lost sealing force long before anything visibly leaks. Because we develop and mix our own compounds, we formulate to your actual process conditions rather than searching for something close.
Chemical processing environments require materials that resist aggressive media and prolonged exposure. Our elastomer components provide dependable sealing performance while maintaining durability in demanding process conditions.
Applications
- Pump seals and diaphragms for process fluid transfer
- Valve seats, seals, and control valve components
- Flange, pipeline, and heat exchanger gaskets
- Manway, vessel closure, and access port seals
- Metering and dosing pump diaphragms
- Pressure transmitter and instrumentation diaphragms
Products We Supply
- O-rings — AS568, ISO 3601, and custom sizes up to 1500 mm
- Moulded seals and gaskets — including large-diameter flange and manway gaskets
- Diaphragms — flat, rolling, and fabric-reinforced
- Rubber-to-metal bonded components — compound and bonding system developed together
- Back-up rings and sealing washers — designed alongside the primary seal
- Custom precision mouldings — 5 mm to 1500 mm, to ±0.05 mm tolerance

Get In Touch
Address
Mumbai Office: Harkesh Rubber LLP, 108, Adarsh Industrial Estate, Sahar Road, Chakala, Andheri (East), Mumbai 400099
General Enquiries
contact@harkeshrubber.com
Business Phone
+91-22-40060400
