The evolution of frp sectional water tank technology has significantly transformed liquid storage solutions for diverse sectors including petrochemicals, metallurgy, water supply & drainage, and more. Combining outstanding anti-corrosive properties, modular customization, lightweight construction, and regulatory compliance, FRP (Fiberglass Reinforced Plastic) water tanks have emerged as the industry gold standard.
Key Product:
FRP Water Tank
Key Phrases: frp sectional water tank, frp tank sizes, pp frp tanks, frp water tank manufacturer, frp water tank price
1. Industry Overview & Trends in FRP Sectional Water Tank Segment
According to Market Research Future, the FRP tank market is projected to grow at a CAGR of 6.5% from 2022 to 2028, driven by increasing demand for anti-corrosive and lightweight storage solutions across industries. Specifically, the modularity of the frp sectional water tank is ideal for on-site assembly, cost optimization, and scalable water management, which is witnessing adoption in over 70 countries globally.
- Rising urbanization amplifies demand for large-scale, hygienic water storages.
- Strict environmental standards (ISO 9001, ISO 12485, ANSI/AWWA D121) fuel the shift from steel to FRP/PP-FRP solutions.
- Growing adoption of custom frp tank sizes for specialized industrial requirements.
- Investment in automation — CNC machining and precision casting — enhances consistency and weld integrity in tank manufacturing.
2. What is a FRP Sectional Water Tank?
A frp sectional water tank is a modular storage tank assembled from prefabricated fiberglass-reinforced plastic sections, featuring:
- Glass fiber-reinforced unsaturated polyester resin construction
- Panel thickness: 6~20mm depending on tank height/capacity
- Bolt & gasket structure with internal bracing/frame
- Optional external/PP-layer for pp frp tanks variants (food-grade water)
- Volume: from 0.5m³ to 5000m³+ (frp tank sizes variable per client need)
3. Detailed FRP Sectional Water Tank Manufacturing Process
Stepwise Craft Flow:
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Raw Material Inspection: Use of high-grade E-glass fiber & unsaturated polyester resin. Raw materials undergo ISO 9001:2015 and FDA CFR 177.2420 tests for safety and purity.
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Panel Molding: Panels are cast in steel molds (usually 1Mx1M or 1Mx0.5M) under 120°C-150°C with CNC-controlled curing time to guarantee uniformity and tensile strength >70 MPa.
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Edge Trim & Surface Treatment: CNC contouring trims provide 0.1mm accuracy; anti-UV and food-grade coatings (optional for drinking water application) applied.
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Panel Jointing & Assembly: On-site bolting with corrosion-resistant stainless steel fasteners, EPDM/NBR gasket insertion, and bracing installation.
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Leak Testing & Quality Control: 100% hydrostatic leak test per ANSI/AWWA D121 and visual inspection for delamination, surface cracks, and dimensional accuracy.
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Final Product Delivery: Labeling, accessories mounting, delivery with ISO 10498/CE certification, and detailed installation manual.
Sample process video: Watch on YouTube
Manufacturing step illustration
FRP Sectional Water Tank Typical Technical Parameters
FRP Sectional Water Tank Key Technical Comparative Table
Parameter |
FRP Sectional Water Tank |
SS304 Steel Tank |
Concrete Tank |
PP FRP Tanks |
Service Life |
25+ years |
20 years |
20 years |
30+ years |
Anti-Corrosion |
Excellent |
Good (pitting risk) |
Poor |
Excellent |
Tank Volume Range |
0.5–5000m³ |
0.5–3000m³ |
<5000m³ |
0.5–1000m³ |
Maintenance Cycle |
5 years |
3 years |
1.5 years |
8 years |
Unit Weight (kg/m³) |
17-23 |
70-80 |
300+ |
22-28 |
Price Trend (USD/m³) |
110-160 |
210-350 |
160-300 |
120-170 |
Modularity |
Easy Modular |
Partial |
Low |
Easy Modular |
Hygienic Cert. |
ISO, FDA |
ISO, FDA |
None |
ISO, FDA |
Technical Indicator Comparison & Visualization
- FRP Sectional Water Tank
- Stainless Steel Tank
- PP FRP Tank
Anti-Corrosion Performance (Score/10)
Weight (kg/m³, the lower the better)
Distribution of Common FRP Tank Sizes (Capacity Market Share 2023)
Source: LongxuanFRP industry sales, 2023
4. Why Choose FRP Over Other Water Tank Materials?
frp sectional water tank products dominate modern liquid storage because:
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Corrosion Resistance: Unlike stainless steel, FRP is inert to chlorine, salt, acidic vapors, and can withstand most industrial process fluids (pH 1~12), validated by over 20,000+ industry projects.
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Hygiene & Safety: Food-grade resins, with optional PP inner lining or pp frp tanks customization, meet FDA/WHO water storage standards.
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Installation Flexibility:
Modular assembly structure allows rapid construction in tight, irregular, or rooftop spaces, slashing site labor time by up to 60% compared to concrete.
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Cost Efficiency: Lower weight, simplified transport, and 30% reduced installation costs on average compared to metal tanks.
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Low Maintenance: Autonomously passivated surfaces negate routine painting or internal re-coating typical for steel tanks. Maintenance cycle stretched to 5-8 years.
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Regulatory Compliance: Leading frp water tank manufacturers ensure international certification: ISO 9001:2015, ISO 10498:2018 (potable water), ANSI/NSF61.
5. FRP Water Tank Sizes & Customization
As required by projects, frp tank sizes are tailored via sectional assembly:
Standard Panel Size |
Panel Thickness |
Assembly Range |
Application |
1m x 1m |
6-20mm |
Up to 5000m³ |
Municipal/Industrial |
1m x 0.5m |
6-12mm |
0.5~250m³ |
Residential, Commercial |
0.5m x 0.5m |
6-8mm |
0.1~12m³ |
Emergency, Mobile Units |
Custom |
6-20mm |
To client spec. |
Special industry |
Unique applications — such as ultra-high-purity water, desalination brine, fire water reserve and mining slurries — are regularly addressed with “bespoke” solutions involving dual-liner, anti-static, or additional insulation panels.
Customization Workflow:
- Requirement Collection: Specify volume, dimensions, application, climate zones, and water quality.
- Preliminary Design: CAD + FEA simulation on mechanical stability.
- Resin/Material Selection: Adjust fiber:resin ratio, optional PP/PE lining.
- Panel Thickness & Grade Selection (see parameter table above).
- Site Survey & Logistics Optimized Design.
- Engineer-Approved Drawings Shared for Final Confirmation.
- Mobility or fixed platform options as per installation needs.
Example: For a coastal chemical plant, a 200m³ frp sectional water tank with high-thickness resin (20mm), external UV-protection, and acid-proof gaskets delivered 15-year maintenance-free operation — 30% longer than rival steel units.
6. Typical Applications & Success Cases
- Potable Water/Municipal Supplies: ISO 10498-certified units for city residential and rural water systems worldwide.
- Petrochemicals & Refineries: FRP tanks handle aggressive process fluids, clarified water, brine, and process cooling circuits.
- Mining/Metallurgy: Robust modular tanks for slurry, upgrade to acid/alkali handling by thickened panel resin.
- Fire Water Storage: High-reliability reserve tanks for hospital/commercial fire protection systems.
- Food & Beverage: PP FRP hybrid tanks for beverage, dairy, and breweries under FDA/NSF-61 standards.
- Rainwater Harvesting & Emergency Storage: Modular, relocatable tanks for climate-resilient infrastructure.
Case Study 1:
Petroleum Refinery, Southeast Asia (2023) — Longxuan supplied a 750m³ frp sectional water tank using ASTM D4067-certified E-glass and food-grade resin. Maintenance data after 16 months indicated 0% corrosion, stable water quality, and zero leakage. Estimated 30% operational savings over steel tanks.
Case Study 2:
Urban Water Utility, Europe (2022) — Modular installed 250m³ potable water FRP tank certified by ISO 10498:2018. Assembly completed in 4 days (32% faster vs. steel), with continuous 24/7 monitored leak resistance by automated sensors.
Client Feedback: “LongxuanFRP’s support and technical insight ensured seamless fit with our space limitations and stringent drinking water standards.” –Plant Operations Head
7. Comparing Leading FRP Water Tank Manufacturers
Company |
Certifications |
Main Product Lines |
Delivery Area |
Warranty |
LongxuanFRP |
ISO 9001, ISO 10498, FDA |
Sectional FRP, PP FRP Tanks |
Global |
10 years |
HanWha Group |
ISO 9001, ASTM |
FRP & SMC Modular |
Asia, Europe |
8 years |
Aquatech |
ISO 9001, NSF |
GRP, Sectional Tanks |
Americas, EU |
5-7 years |
Haoyun FRP |
ISO 9001, SGS |
Custom FRP/SMC |
Asia, Africa |
6 years |
LongxuanFRP stands out as a global frp water tank manufacturer with 20+ years of expertise, fully in-house production, and industry references in 50+ countries.
8. Delivery Cycle, Warranty & Customer Support
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Delivery Cycle: 50m³–300m³ standard models: 7~12 days. Custom large tanks: 14~25 days after order confirmation and technical drawing approval.
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Warranty: 10-year leakage warranty; 15-year structural warranty (materials/manufacturing defects).
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Onsite Support: Installation supervision, third-party testing (as per ISO/ANSI), and operational training available worldwide.
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Documentation & Manuals: Each delivery includes certification, installation drawings, and an after-sales helpline.
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QA Traceability: All panels individually coded for lifecycle tracking and quick warranty claims.
9. FAQ: Technical Glossary on FRP Sectional Water Tank
- Q1: What is the main advantage of using FRP (Fiberglass Reinforced Plastic) in tanks?
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FRP’s primary advantage is unmatched corrosion resistance due to the inert properties of the resin-glass matrix, making frp sectional water tank solutions ideal for aggressive chemical, hard water, and marine applications.
- Q2: How are frp tank sizes determined for my project?
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Sizes are modular — determined by combining 1x1m, 1x0.5m, or 0.5x0.5m panels to match exact site requirements. Inlet/outlet positions, corrosion allowance, and seismic zone are factored into the design.
- Q3: What certifications are available to guarantee water safety?
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International ISO 10498:2018 for drinking water storage and FDA CFR 177.2420 for food contact safety are provided by reputable frp water tank manufacturers.
- Q4: What materials are typically used in pp frp tanks?
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PP FRP tanks combine a polypropylene (PP) inner liner (food-grade, highly chemical-resistant) with an external FRP shell, ensuring double protection for potable water or high-corrosivity fluids.
- Q5: Describe the testing procedure before delivery?
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Each frp sectional water tank undergoes hydrostatic pressure testing (1.5x rated load), visual & ultrasonic inspection, and dimensional checks per ANSI/AWWA D121.
- Q6: How is the installation performed?
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Panels are bolted onsite with pre-set gaskets, frame, and support struts added. All installation must follow certified drawings and generally requires 20-30% less time than steel/concrete tanks.
- Q7: What’s the expected frp water tank price range and what influences it?
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Prices generally range from $110–$160/m³ but depend on frp tank sizes, resin type (food-grade/chemical-grade), thickness, panel quantity, internal lining needs, auxiliary features (manholes, ladders), and transportation costs.
10. References & Industry Authority Citations