HDPE Butt Fusion End Cap

Key Features

• Permanent leak-free sealing design
• 100% corrosion-resistant construction
• Fusion joint strength ≥ base material strength
• UV stabilizers for extended outdoor service life
• Zero permeability for water purity maintenance

Typical Applications

• Potable water mainline termination
• Irrigation system sectional isolation
• Municipal network pressure testing ports
• Industrial cooling water system isolation
• Temporary construction pipe protection

Manufacturing Process

Precision injection molding process

• Melt temperature control (210–230°C)
• Holding pressure accuracy (±0.5 bar)
• Cooling rate gradient management
• Mold temperature uniformity (±2°C)
• Wall thickness tolerance control ≤5%

Raw Material Characteristics

• Density: 0.950–0.955 g/cm³ (ISO 1183)
• Melt flow index: 0.2–0.4 g/10min (ISO 1133)
• SCG resistance: ≥500h (ISO 13479)
• Tensile strength: ≥25 MPa (ISO 527)
• Thermal stability: ≥20 years (ISO/TR 10837)

• Terminal pressure sealing in new potable water networks
• Flow control points in agricultural drip irrigation zones
• Test isolation ports in firefighting pipelines
• Sectional division in water treatment plant process piping
• Overflow protection for rainwater harvesting systems