1
Material Selection
- High-quality products use premium polymer materials like high-density polyethylene with uniform thickness and no impurities.
- Assess by observing for color differences, dents, or protrusions and testing material toughness through pressing.
- Quality materials are less prone to deformation and resist acid/alkali corrosion and UV radiation.
- Avoid inferior materials that may be thinner with rough surfaces, bubbles, or flaws leading to shorter lifespan.
2
Manufacturing Precision
- Quality products feature neat molding and smooth edges without burrs or sharp imperfections.
- Check for tight joints without gaps or overflow marks, especially at corners and interfaces.
- High-quality manufacturing uses mature welding or one-piece molding for stable, non-loosening structures.
- Precise manufacturing ensures structural integrity and consistent wall thickness throughout the tank.
3
Sealing Performance
- Sealing performance directly affects oil storage safety and prevents leakage risks.
- Inspect filling ports, outlets, valves, and seals for tight fit without deformation or damage.
- High-quality products use superior sealing materials that securely install without gaps.
- Conduct simple sealing tests when possible to ensure no fuel leakage under normal storage conditions.
4
Detailed Design
- Quality products emphasize practical and safety-focused details throughout design.
- Features like non-slip bases for stability and clear level markings for easy oil measurement.
- Rounded corners reduce impact damage and enhance overall durability.
- Clear product labeling includes material, capacity, applicable scenarios, with complete accessories for easy installation.