HDPE Butt Fusion End Cap

Key Features of HDPE Butt Fusion End Cap

• Permanent leak-free sealing design.
• 100% corrosion-resistant construction.
• Fusion joint strength is equal to or greater than base material strength.
• UV stabilizers give extended outdoor service life.
• Zero permeability maintains water purity.

Manufacturing Process of HDPE Butt Fusion End Cap

Each is produced by precision injection molding.

Critical Process Parameters of HDPE Butt Fusion End Cap

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

Raw Material Characteristics of HDPE Butt Fusion End Cap

• 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

Typical Applications of HDPE Butt Fusion End Cap

• is used for potable water mainline termination.
• serves irrigation system sectional isolation.
• is installed at municipal network pressure testing ports.
• is used in industrial cooling water system isolation.
• is applied for temporary construction pipe protection.

Application Scenarios of HDPE Butt Fusion End Cap

• Terminal pressure sealing and sectional division in water systems — is the standard cap for these closures.