Overview
Dual laminated tanks are designed for storage of aggressive chemicals and corrosive fluids where both chemical resistance and structural strength are required. The tank construction consists of a thermoplastic corrosion barrier liner combined with a fiber reinforced composite structural shell.
This dual construction provides excellent resistance to chemical attack while maintaining structural stability under operating loads.
Applications
Dual laminated tanks are used in a wide range of chemical and industrial applications including:
- Chemical storage systems
- Acid and solvent storage tanks
- Process tanks in chemical plants
- Industrial wastewater treatment systems
- Storage tanks for aggressive chemical solutions
Size & Operating Range
- Capacity: 1 m³ to 300 m³
- Diameter: Up to 6 m
- Temperature Range:
-20°C to +120°C - Design Pressure:
Atmospheric to 1 bar
Tank Types
- Vertical above-ground tanks
- Horizontal above-ground tanks
- Horizontal underground tanks
Material & Construction
- Thermoplastic corrosion liner (UPVC, CPVC, PP, PVDF, ECTFE) selected based on stored chemical
- Structural GRP composite shell designed for hydrostatic, wind, and seismic loads
- Engineered bond between liner and structural laminate for load transfer
- Optional UV-resistant external gelcoat for outdoor service
Outer Structure
- Glass fiber reinforced thermoset composite (GRP / GRE)
- Dual-layer construction: corrosion-resistant liner + structural composite shell
- Filament wound or hand lay-up structural reinforcement
Key Advantages
- Combines chemical resistance of thermoplastics with structural strength of GRP
- Suitable for acids, alkalis, solvents, and aggressive chemicals
- Lower thermal expansion compared to pure thermoplastic piping
- Lightweight construction
- Corrosion-free and long service life
Applicable Standards & Codes
Description
Reinforced Thermoset Plastic Corrosion-Resistant Equipment
Filament-Wound Fiberglass Pipe
