PPH Chemical Storage Tank
A PPH Chemical Storage Tank is a specially engineered for storage vessel manufactured from PPH Polypropylene Homopolymer and designed for the safe storage, handling, and containment of the corrosive chemicals, process liquids, and industrial fluids. PPH is widely used to recognized for its excellent chemical resistance, high mechanical strength, and long-term durability and making it an ideal material for chemical storage applications.
These tanks are commonly used in industries where acids, alkalis, salts, and water treatment chemicals must be stored the safely without the risk of corrosion, contamination, or material degradation. PetronThermoplast is your premier solution for chemical storage tanks, offering a range of exceptional benefits that prioritize safety, efficiency, and environmental responsibility.
Excellent Chemical Resistance
Excellent resistance to acids, alkalis, salts, and water treatment chemicals
Temperature Resistance
Up to 100°C (depending on design and application)
Corrosion-Free Construction
No rusting when exposed to chemicals & moisture.
Long Service Life
Excellent durability and can operate for many years
ASTM, DIN, DVS, ISO Certified
Manufactured to international quality standards
0°C to 90°C
Operating Temperature
100 L – 500K L
Capacity (Customizable)
ASTM, DIN, DVS, ISO
Certified quality standards
Up to 2.0 SG
Specific Gravity Design

Corrosion-Free Construction
Unlike conventional metal tanks, PPH tanks do not rust or corrode, ensuring long-term reliability and reduced maintenance.

Temperature Resistance
PPH tanks can operate efficiently across a broad temperature range, making them suitable for many industrial applications.

Long Service Life
The inherent durability of PPH provides extended operational life even in highly corrosive environments.

Leak-Proof Welded Joints
Advanced fabrication methods such as butt fusion and extrusion welding create strong, homogeneous joints that ensure leak-free performance.
Technical Details
| Parameter | Technical Details |
| Product Type | PPH Chemical Storage Tank |
| Material of Construction | Polypropylene Homopolymer (PPH) |
| Tank Configuration | Vertical, Horizontal, Cylindrical, Rectangular, Custom Design |
| Storage Capacity | 100 Liters to 500,000 Liters or Customized |
| Tank Diameter | Customized as per capacity requirements |
| Tank Height | Customized according to storage volume and site conditions |
| Operating Temperature Range | 0°C to 90°C |
| Design Temperature | Up to 100°C (depending on design and application) |
| Operating Pressure | Atmospheric or Low Pressure |
| Specific Gravity Design | Up to 2.0 SG or higher as required |
| Wall Thickness | Calculated based on capacity, SG, and operating conditions |
| Chemical Resistance | Excellent resistance to acids, alkalis, salts, and water treatment chemicals |
| Corrosion Resistance | Completely corrosion-free |
| Tank Orientation | Vertical or Horizontal |
| Top Design | Open Top, Flat Top, Dome Top, Conical Top |
| Bottom Design | Flat Bottom, Cone Bottom, Sloped Bottom, Dish Bottom |
| Jointing Method | Butt Fusion Welding, Extrusion Welding, Hot Gas Welding |
| Inlet Connections | Flanged, Threaded, Customized |
| Outlet Connections | Flanged, Threaded, Customized |
| Vent Connection | Provided as per design requirements |
| Overflow Connection | Optional |
| Drain Connection | Bottom or Side Drain Arrangement |
| Level Measurement | Sight Glass, Float Type, Ultrasonic, Radar Level Sensor |
| Agitator Provision | Optional |
| Manhole Access | Standard or Customized Size |
| Reinforcement Type | PPH Reinforcement, FRP Reinforcement, Steel Support Structure |
| UV Protection | Available for outdoor installations |
| Surface Finish | Smooth Internal and External Surface |
| Leak-Proof Construction | Yes |
| Service Life | Long-term performance under recommended conditions |
| Testing Standards | Hydrostatic Test, Leak Test, Visual Inspection, Dimensional Inspection |
| Manufacturing Standards | ASTM, DIN, DVS, ISO, Customer Specifications |
PPH (Polypropylene Homopolymer) Chemical Storage Tanks are widely used for storing corrosive chemicals due to their excellent resistance to a broad range of acids, alkalis, salts, and industrial process chemicals. Proper chemical compatibility is essential to ensure safe operation, prevent material degradation, and maximize tank service life.
Why Chemical Compatibility Matters
Selecting a chemically compatible tank helps:
- Prevent corrosion and material degradation
- Avoid leaks and environmental contamination
- Maintain chemical purity
- Extend equipment life
- Reduce maintenance costs
- Improve operational safety
Chemicals Commonly Compatible with PPH Tanks
Acids
PPH offers excellent resistance to many inorganic acids, including:
- Hydrochloric Acid (HCl)
- Sulfuric Acid (H₂SO₄) – selected concentrations
- Phosphoric Acid (H₃PO₄)
- Acetic Acid (dilute concentrations)
- Citric Acid
- Formic Acid
PPH is widely used for acid storage in chemical processing and water treatment applications.
Alkalis
PPH demonstrates outstanding resistance to alkaline solutions such as:
- Sodium Hydroxide (Caustic Soda)
- Potassium Hydroxide
- Ammonium Hydroxide
- Sodium Carbonate Solutions
- Alkaline Cleaning Solutions
This makes PPH an excellent choice for caustic storage tanks.
Water Treatment Chemicals
PPH tanks are frequently used to store:
- Sodium Hypochlorite
- Ferric Chloride
- Alum
- Caustic Soda
- Hydrochloric Acid
- Polyelectrolytes
Their corrosion resistance and durability make them ideal for water and wastewater treatment facilities.
Chemicals with Good Compatibility
PPH generally performs well with:
- Dilute mineral acids
- Organic acids
- Alkaline solutions
- Process water
- Industrial cleaning chemicals
Chemicals Requiring Careful Evaluation
Certain chemicals may require a detailed compatibility assessment based on concentration and temperature, including:
- Concentrated Nitric Acid
- Strong Oxidizing Agents
- Chromic Acid
- Hydrogen Peroxide (high concentrations)
- Concentrated Sulfuric Acid at elevated temperatures
- Mixed Chemical Solutions
For these applications, alternative materials such as PVDF or Dual Laminate constructions may be more suitable.
Effect of Temperature on Compatibility
Chemical resistance can change significantly with temperature.
As operating temperature increases:
- Chemical attack may accelerate
- Material strength may decrease
- Service life may be reduced
Compatibility should always be verified at the maximum operating temperature.
Effect of Chemical Concentration
Compatibility depends heavily on concentration.
For example:
- Dilute acid solutions may be fully compatible
- Highly concentrated acids may require additional evaluation
Always specify the exact chemical concentration during tank selection.
Compatibility of Tank Accessories
In addition to the tank body, accessories must also be chemically compatible.
Recommended Materials
Gaskets and Seals:
- PTFE (Teflon)
- EPDM
- FKM (Viton) – where applicable
Fasteners and Hardware:
- Corrosion-resistant materials
- Plastic-coated or protected components
Typical Industries Using PPH Chemical Storage Tanks
PPH tanks are commonly used in:
- Water Treatment Plants
- Wastewater Treatment Facilities
- Chemical Processing Plants
- Pharmaceutical Industries
- Electroplating Facilities
- Power Generation Plants
General Chemical Compatibility Guide
| Chemical Type | Compatibility with PPH |
| Hydrochloric Acid | Excellent |
| Phosphoric Acid | Excellent |
| Sodium Hydroxide | Excellent |
| Potassium Hydroxide | Excellent |
| Ferric Chloride | Excellent |
| Alum Solution | Excellent |
| Salt Solutions | Excellent |
| Process Water | Excellent |
| Sodium Hypochlorite | Good to Excellent |
| Hydrogen Peroxide | Requires Evaluation |
| Nitric Acid | Requires Detailed Evaluation |
| Strong Oxidizers | Requires Detailed Evaluation |
Testing and quality assurance are essential for ensuring that a PPH (Polypropylene Homopolymer) Chemical Storage Tank meets the highest standards of safety, durability, chemical resistance, and operational reliability. Comprehensive inspections and tests are conducted throughout the manufacturing process to verify material quality, fabrication integrity, and leak-proof performance.
1. Raw Material Inspection
Quality control begins with the inspection of incoming PPH materials to verify:
- Material grade and specification
- Sheet thickness
- Surface quality
- Dimensional accuracy
- Material Test Certificates (MTCs)
- Batch traceability
Only approved materials are used for fabrication.
2. Visual Inspection
Visual inspections are performed at every stage of manufacturing to check for:
- Surface defects
- Scratches or damage
- Welding irregularities
- Material contamination
- Fabrication workmanship
This helps identify and correct issues before final assembly.
3. Dimensional Inspection
Dimensional checks ensure compliance with approved drawings and specifications.
Parameters inspected include:
- Tank diameter
- Tank height
- Wall thickness
- Nozzle orientation
- Nozzle dimensions
- Manhole size
- Overall tank geometry
Accurate dimensions are critical for installation and performance.
4. Weld Inspection
Weld quality is carefully evaluated because welded joints are critical to tank integrity.
Inspection includes:
- Weld appearance
- Weld continuity
- Joint alignment
- Fusion quality
- Absence of cracks
- Absence of porosity
- Absence of incomplete fusion
All thermoplastic welds must meet approved fabrication standards.
5. Welding Quality Verification
The quality of welding processes such as:
- Butt Fusion Welding
- Extrusion Welding
- Hot Gas Welding
is monitored to ensure strong, homogeneous joints capable of withstanding long-term service conditions.
6. Thickness Measurement
Wall thickness measurements are performed to confirm:
- Compliance with design requirements
- Structural strength
- Proper fabrication
Measurements are taken at multiple locations throughout the tank.
7. Nozzle and Fitting Inspection
All nozzles and fittings are inspected for:
- Correct size
- Proper location
- Alignment accuracy
- Secure attachment
- Leak-tight installation
This ensures reliable process connections.
8. Hydrostatic Testing
Hydrostatic testing is one of the most important quality tests performed on a PPH chemical storage tank.
The test verifies:
- Structural integrity
- Leak-tightness
- Tank strength
- Weld performance
The tank is filled with water and maintained under controlled conditions for a specified period.
9. Leak Testing
Leak testing is conducted to confirm:
- No leakage through welds
- Secure nozzle connections
- Reliable tank performance
Leak-free operation is essential for safe chemical storage.
10. Reinforcement Inspection
Where reinforcement is provided, inspections verify:
- FRP overwrap quality
- Reinforcing ring installation
- Structural support integrity
- Bonding quality
This is particularly important for large-capacity tanks.
Industries We Serve

1. Water Treatment Industry
PPH chemical storage tanks are extensively used for storing:
Sodium Hypochlorite
Ferric Chloride
Alum Solution
Caustic Soda
Hydrochloric Acid
Polyelectrolytes
These chemicals are essential for water purification, coagulation, disinfection, and pH correction processes.

Wastewater Treatment Industry
In wastewater treatment facilities, PPH tanks are used for:
Chemical dosing solutions
Neutralization chemicals
pH control chemicals
Coagulants and flocculants
Sludge treatment chemicals
Their corrosion resistance makes them ideal for continuous exposure to treatment chemicals.

Chemical Processing Industry
Chemical manufacturing plants utilize PPH tanks for storing:
Acids
Alkalis
Chemical intermediates
Process chemicals
Raw materials
The tanks ensure safe storage and handling of corrosive substances.

Pharmaceutical Industry
PPH chemical storage tanks are used for:
Process chemicals
Utility water treatment chemicals
Cleaning and sanitization solutions
Chemical preparation systems
Their smooth internal surfaces help maintain cleanliness and operational efficiency.

Electroplating Industry
PPH tanks are widely used for:
Acid storage
Pickling chemicals
Surface treatment solutions
Electroplating process chemicals
They withstand highly corrosive operating environments.

Power Generation Industry
Power plants use PPH tanks for storing:
Boiler water treatment chemicals
Demineralization chemicals
Cooling water treatment solutions
Acids and alkalis
These tanks support efficient plant operations and water quality management.

Mining and Mineral Processing Industry
PPH chemical storage tanks are used for:
Leaching chemicals
pH adjustment chemicals
Process reagents
Water treatment chemicals
Their chemical resistance makes them suitable for harsh mining environments.

Metal Finishing Industry
In metal treatment facilities, PPH tanks are used for:
Pickling acids
Surface treatment chemicals
Cleaning solutions
Rinse water treatment chemicals
The tanks provide reliable and safe chemical storage.

Semiconductor and Electronics Industry
These industries use PPH tanks for:
Chemical storage systems
Utility chemical storage
Process fluid handling
Water treatment chemicals
The tanks provide dependable performance in controlled manufacturing environments.
Features of PPH Chemical Storage Tank

Excellent Chemical Resistance
PPH tanks offer outstanding resistance to a wide range of Acids, Alkalis, Salt solutions, Water treatment chemicals, Industrial process fluids. This makes them suitable for handling highly corrosive media.

Corrosion-Free Construction
Unlike conventional metal tanks, PPH tanks do not rust or corrode, ensuring long-term reliability and reduced maintenance.

High Mechanical Strength
PPH material provides excellent structural strength and impact resistance, allowing the tank to withstand demanding industrial conditions.

Leak-Proof Fabrication
Advanced fabrication methods such as butt fusion and extrusion welding create strong, homogeneous joints that ensure leak-free performance.

Lightweight Design
PPH tanks are significantly lighter than steel or concrete tanks, making transportation, handling, and installation easier and more cost-effective.

Long Service Life
The inherent durability of PPH provides extended operational life even in highly corrosive environments.

Wide Temperature Resistance
PPH tanks can operate efficiently across a broad temperature range, making them suitable for many industrial applications.

Customizable Construction
Tanks can be customized with:
Different capacities
Vertical or horizontal designs
Cone or flat bottoms
Nozzle arrangements
Agitator provisions
Level monitoring systems

Smooth Internal Surface
The smooth interior surface reduces residue build-up and simplifies cleaning and maintenance

UV Protection Options
For outdoor installations, UV-stabilized materials or protective systems can be incorporated to enhance durability.
Manufacturing Process of PPH Chemical Storage Tank
The manufacturing process of a PPH (Polypropylene Homopolymer) Chemical Storage Tank involves precision engineering, high-quality raw materials, specialized thermoplastic fabrication techniques, and rigorous quality control procedures. The objective is to produce a durable, corrosion-resistant, and leak-proof tank capable of safely storing aggressive chemicals and industrial process fluids.
The process begins with detailed design and engineering based on:
- Chemical compatibility requirements
- Tank capacity (100 Liters to 500,000 Liters or Customized)
- Specific gravity of the stored liquid
- Operating temperature (0°C to 90°C)
- Installation conditions
- Nozzle requirements
- Wind and seismic load considerations
- Applicable industry standards
Engineering deliverables typically include:
- General Arrangement (GA) Drawings
- Fabrication Drawings
- Design Calculations
- Nozzle Layout Drawings
- Reinforcement Details
- Bill of Materials (BOM)
High-quality PPH sheets and components are selected according to project specifications.
Key material properties include:
- Excellent chemical resistance
- High impact strength
- Good thermal stability
- Long service life
- Corrosion-free performance
All materials are sourced with traceable quality certifications.
Before fabrication, materials undergo inspection for:
- Material grade verification
- Thickness confirmation
- Surface quality assessment
- Dimensional accuracy
- Material certification review
- Traceability verification
Only approved materials proceed to production.
PPH sheets are cut according to fabrication drawings using precision equipment such as:
- CNC Cutting Machines
- Panel Saws
- Circular Saws
- Thermoplastic Cutting Tools
Cut components are prepared for welding and assembly.
The tank shell is formed by:
- Rolling PPH sheets into cylindrical sections
- Aligning shell segments
- Preparing weld edges
- Maintaining dimensional accuracy
For large-capacity tanks, multiple shell sections may be fabricated separately and joined during assembly.
- Butt welding
- Extrusion welding
- Hot gas welding
- Shell joints
- Bottom-to-shell joints
- Nozzle connections
- Reinforcement supports
The tank top is fabricated based on application requirements.
Available designs include:
- Open Top
- Flat Top
- Dome Top
- Conical Top
Necessary openings and nozzle provisions are incorporated during fabrication.
How to Select the Right PPH Chemical Storage Tank
Selecting the right PPH (Polypropylene Homopolymer) Chemical Storage Tank is essential for ensuring safe chemical storage, operational efficiency, and long service life. The tank must be designed to withstand the chemical properties, operating conditions, and environmental factors specific to the application.
The first step is to determine:
- Chemical name
- Chemical concentration
- Chemical composition
- Hazard classification
- Specific gravity
Different chemicals require different tank designs and construction specifications.
Common Chemicals Stored in PPH Tanks
- Sulfuric Acid
- Hydrochloric Acid
- Phosphoric Acid
- Sodium Hydroxide (Caustic Soda)
- Ferric Chloride
- Alum Solution
- Sodium Hypochlorite
- Water Treatment Chemicals
PPH offers excellent resistance to many corrosive chemicals, but compatibility must always be verified based on:
- Chemical concentration
- Operating temperature
- Exposure duration
- Chemical purity
Proper compatibility prevents material degradation and extends tank life.
Select the tank size according to:
- Daily chemical consumption
- Delivery frequency
- Emergency reserve requirements
- Future expansion plans
Typical capacities range from:
- 100 Liters
- 500 Liters
- 1,000 Liters
- 10,000 Liters
- 100,000 Liters and above
The tank must be designed for the actual specific gravity of the stored liquid.
Higher SG liquids exert greater pressure on tank walls and bottoms.
Examples:
- Water = 1.0 SG
- Ferric Chloride = Higher SG
- Sulfuric Acid = Higher SG
Always specify the maximum operating SG during tank selection.
Temperature significantly affects material performance and tank design.
Consider:
- Normal operating temperature
- Maximum temperature
- Ambient environmental conditions
PPH tanks are typically suitable for temperatures up to approximately 90°C under appropriate design conditions.
Choose a configuration based on available space and process requirements.
Vertical Tanks
Advantages:
- Maximum storage volume
- Smaller footprint
- Easy level monitoring
Horizontal Tanks
Advantages:
- Lower installation height
- Suitable for transport applications
- Easy accessibility
Top Options
- Open Top
- Flat Top
- Dome Top
- Conical Top
Bottom Options
- Flat Bottom
- Cone Bottom
- Sloped Bottom
- Dish Bottom
The selection depends on drainage and process requirements.
Consider whether the tank will be installed:
- Indoors
- Outdoors
- In corrosive environments
- In high-temperature zones
- In seismic regions
Environmental factors may require UV protection or additional structural reinforcement.
Large-capacity PPH tanks often require reinforcement such as:
- FRP Overwrap
- Steel Support Structures
- External Stiffeners
Proper reinforcement ensures structural stability and long-term reliability.
Determine requirements for:
- Inlet Nozzles
- Outlet Nozzles
- Overflow Connections
- Vent Connections
- Drain Connections
- Sampling Ports
Proper nozzle design improves safety and operational efficiency.

Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Why Choose Petron Thermoplast?
At PetronThermoplast, we have an impressive track record in various industries, including chemistry, iron and steel, metallurgy, pharmacy, paper making, electric power, food and beverage, and water treatment. We’ve cultivated strong partnerships with renowned domestic and international enterprises, earning a stellar reputation for our products and services.Our tanks are constructed using polyethylene (PPH) or high-density polypropylene (HDPE), specially chosen for their exceptional mechanical strength and resistance to a wide range of chemicals. This means you can safely store acids, alkalis, effluents, and even highly concentrated substances without any concerns.
Frequently Asked Questions
A PPH Chemical Storage Tank is a storage vessel manufactured from Polypropylene Homopolymer (PPH) and designed for the safe storage of corrosive chemicals, acids, alkalis, and industrial process liquids.
PPH (Polypropylene Homopolymer) is a high-performance thermoplastic material known for its:
- Excellent chemical resistance
- High impact strength
- Corrosion-free performance
- Lightweight construction
- Long service life
Key advantages include:
- Excellent chemical resistance
- Corrosion-free construction
- Leak-proof performance
- Long service life
- Low maintenance requirements
- Lightweight design
- Cost-effective operation
PPH tanks are commonly used for storing:
- Hydrochloric Acid (HCl)
- Sulfuric Acid (certain concentrations)
- Phosphoric Acid
- Sodium Hydroxide (Caustic Soda)
- Ferric Chloride
- Alum Solution
- Sodium Hypochlorite
- Salt Solutions
- Water Treatment Chemicals
Chemical compatibility should always be verified for the specific application.
PPH Chemical Storage Tanks are available in capacities ranging from:
- 100 Liters
- 500 Liters
- 1,000 Liters
- 5,000 Liters
- 10,000 Liters
- 100,000 Liters and above
Custom capacities can also be manufactured.
Yes. PPH tanks can be installed outdoors and may be supplied with UV protection or protective structures for long-term weather resistance.
PPH tanks are typically suitable for operating temperatures up to approximately 90°C, depending on chemical compatibility, tank design, and operating conditions.
Yes. PPH is inherently corrosion-resistant and does not rust or deteriorate when exposed to compatible chemicals.
The manufacturing process typically includes:
- Design and Engineering
- Material Inspection
- Sheet Cutting
- Shell Fabrication
- Thermoplastic Welding
- Nozzle Installation
- Testing and Inspection
- Final Quality Verification
Common welding methods include:
- Butt Fusion Welding
- Extrusion Welding
- Hot Gas Welding
These methods create strong, homogeneous, and leak-proof joints.
