Part of FRP Gratings Category

Chemical & Acid Resistant FRP Walkway Gratings

Corrosion-Proof Composite Walkway Flooring for Extreme Chemical & Acid Exposure

Direct Factory Manufacturer

Operating out of our dedicated Bhiwandi facility since 1962 with zero distributor markup.


  • ISO 9001:2015 Certified Production
  • Custom Dimensions & Sizing
  • Rapid PAN India Freight Dispatch

Engineering Overview & Technical Application

Steel and galvanized gratings corrode, rust, and fail catastrophically within 2-3 years in chemical processing plants, electroplating units, fertilizer facilities, and pickling lines. Rawji Exports manufactures premium chemical-resistant vinyl ester and isophthalic FRP gratings that withstand severe acid fumes, caustic splashes, and solvent washdowns without degradation.

Technical Parameters

Engineering & Material Specifications

Rigorous quality testing and dimensional accuracy conforming to national and international composite standards.

Resin Formulation Pure Vinyl Ester (Derakane / Hetron equivalent) & Premium Isophthalic
Chemical Resistance Sulfuric acid (up to 70%), Hydrochloric acid (37%), Caustic Soda, Nitric acid
Salt Spray Test Zero corrosion after 5,000+ hours continuous ASTM B117 salt spray testing
Temperature Limits Continuous service temperature up to 120°C (Vinyl Ester grade)
Color Coding Safety Orange (Vinyl Ester grade), Dark Grey (Isophthalic grade)
Weight Savings 1/4th the weight of mild steel grating, eliminating structural crane requirements
Maintenance Zero painting, zero sandblasting, zero rust inhibitor treatments needed
Industries ETP/STP plants, electroplating, chemical refineries, paper mills, fertilizer units
Common Queries

Frequently Asked Questions

Detailed technical and commercial answers from our composite product engineering team.

FRP gratings are often superior and far more economical than SS 316, especially in hydrochloric acid and chloride environments where stainless steel suffers from pitting and stress corrosion cracking.

Yes. They are standard in municipal and industrial ETP/STP plants because they resist hydrogen sulfide (H2S), methane, and aggressive sludge chemicals.

Rawji Exports' vinyl ester gratings routinely deliver 25 to 35+ years of reliable structural service life in chemical environments.

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Direct Factory Dispatch From Bhiwandi Manufacturing Plant Across: Mumbai MMR, Thane, Navi Mumbai, Pune (Chakan, Talegaon, PCMC), Gujarat Industrial Belt (Ahmedabad, Surat, Dahej PCPIR, Ankleshwar GIDC, Vapi), Delhi-NCR, Hyderabad, Bengaluru, Chennai, and PAN India infrastructure projects.