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Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Specifications
Brand :
SUNMORE
Delivery Time :
45 working days
Process :
CNC Cutting + Full Welding + Anti-Rust Treatment
MOQ :
1 Piece
Price :
Advisory Service
Usage :
For HDPE Septic Tank, Domestic Wastewater & Sewage Treatment
Packaging Details :
Wooden box
Certification :
CE/ISO9001
Place of Origin :
China Jiangsu
Custom Service :
OEM & ODM Available
Type :
Rotomoulding Steel Mold for HDPE Septic Tank & Wastewater Treatment Tank
Material :
High Quality Thick Carbon Steel
Model Number :
SM-STM
Payment Terms :
T/T
Feature :
High Structural Strength & Corrosion Resistance
Application :
Rural Sewage Treatment, Residential Drainage & Public Facilities
Supply Ability :
Can produce 8-10 molds per month
Brand Name :
SunMore
Description
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
OEM ODM Rotomoulding Steel Mold for HDPE Septic Tank & Wastewater Treatment Tank is a heavy-duty rotational mould independently designed and manufactured by SUNMORE factory. It is specially used for one-piece rotomolding of HDPE corrugated septic tanks, domestic wastewater treatment tanks and underground sewage holding vessels.
Product Overview
Made of high-quality thick carbon steel, this mould features excellent structural strength, good heat resistance and long service life. It is suitable for mass production of various specifications of septic tanks, meeting the diverse needs of rural domestic sewage treatment, residential drainage systems, public facilities and decentralized wastewater management projects.
Problems We Solved
Poor structural strength leading to mould deformation
Conventional steel moulds often deform after repeated high-temperature cycles, resulting in dimensional errors of the finished septic tank. Our high-grade thick carbon steel mould with reinforced rib design ensures structural stability and no deformation even after long-term continuous production.
Uneven heat distribution causing inconsistent wall thickness
Ordinary moulds may have uneven heating during the rotomoulding process, leading to weak points and pressure resistance issues in the tank. Our optimized internal flow design ensures uniform heat distribution, making the tank wall thickness consistent and corrosion-resistant.
Complex corrugated structure leading to difficult demoulding
Traditional mould designs for corrugated septic tanks can make demoulding slow and damage the product. Our optimized split-type structure with heavy-duty quick-release clamps allows for fast assembly, disassembly and demoulding, significantly improving production efficiency.
Low wear resistance leading to short service life
Common steel moulds wear out quickly in high-volume production, especially on corrugated and threaded areas, requiring frequent maintenance. Our mould undergoes professional anti-rust, anti-corrosion and anti-wear treatment, reducing maintenance frequency and extending service life to tens of thousands of cycles.
Specifications
Material High-Quality Thick Carbon Steel
Processing Technology CNC Cutting + Full Welding + Reinforced Ribs + Anti-Rust & Anti-Wear Treatment
Customization Supports OEM/ODM customization of tank capacity, shape, corrugated structure, connection ports and manhole positions according to customer drawings or samples
Structure Split mould with reinforced frame, quick-lock clamps and standard rotomoulding equipment interface
Applications
Used for rotomolding production of HDPE septic tanks, domestic wastewater treatment tanks, underground sewage holding vessels and decentralized sewage containers. Widely applicable to rural sewage treatment, residential drainage systems, public toilets, hotels, schools, construction sites and other decentralized wastewater management scenarios.
Selection Guide
Choose this mould when:
  • You need mass production of high-quality HDPE septic tanks and wastewater treatment tanks
  • You require a mould with high structural strength and long service life for continuous production
  • Your products are for underground installation and demand high pressure resistance, corrosion resistance and leak-proof performance
Choose other options when:
  • Small-batch trial production or special-shaped tank designs (custom mould solutions available for cost optimization)
  • Ultra-large capacity septic tanks (custom heavy-duty mould solutions available upon request)
Frequently Asked Questions
Can you customize septic tank moulds with different capacities and structures?
Yes, we provide full OEM/ODM customization services, supporting moulds for septic tanks from 500L to 5000L in various structures (single-chamber, double-chamber, triple-chamber) according to your requirements.
What are the advantages of steel mould for septic tank production?
Steel mould has high structural strength, excellent pressure resistance and cost-effectiveness, making it ideal for mass production of large-volume underground septic tanks. It maintains stable performance under long-term high-temperature use and has a longer service life.
Can the mould produce septic tanks with different connection ports or manholes?
Yes, we can design the mould according to your requirements, including reserved ports for inlets, outlets, vents, manholes and other accessories.
What is the service life of this steel mould?
With proper maintenance, the mould can support tens of thousands of rotomoulding cycles, ensuring long-term stable production of high-quality septic tanks.
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Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank

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Product Detail
Brand :
SUNMORE
Delivery Time :
45 working days
Process :
CNC Cutting + Full Welding + Anti-Rust Treatment
MOQ :
1 Piece
Price :
Advisory Service
Usage :
For HDPE Septic Tank, Domestic Wastewater & Sewage Treatment
Contact Supplier
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank
Custom Rotomolding Steel Mould for HDPE Septic Tank & Wastewater Treatment Tank

Changzhou SunMore Rotomolding Technology Co., ltd

Verified Supplier
1 Years
jiangsu, changzhou
Since 2026
Business Type :
Manufacturer
Main Products :
Rotomolding Mold, Rotational Molding Mold, Aluminum Rotational Molds
Total Annual :
>20 million
Employee Number :
>30
Certification Level :
Verified Supplier
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