Mooring Hawsers

 

Hongruntong Marine’s Nylon Mooring Hawser delivers critical energy absorption for single point mooring (SPM) systems under extreme offshore conditions. Certified to OCIMF 2000 Guidelines for Offshore Tanker Operations, our hawsers provide >50% elongation at break – absorbing dynamic wave forces while preventing snap-back risks in CALM buoys, turrets, and FPSO applications.

 

 

 

Characteristics

 

● Manufactured and tested in accordance with the OCIMF 2000 Guidelines.
● NDBS: New Dry Breaking Strength / NWBS: New Wet breaking Strength.
● Specific gravity of swa water assume 1,025.
● Other sizes are available upon request (Maximum production size -Dia. 300mm).

 

 

Nylon-Specific Performance Advantages

 

Material Excellence

  • Ultra-High Tenacity Nylon 6.6:

    • Tensile strength: 120-150 cN/tex (ASTM D7269)

    • Moisture regain: 4.5% (enhanced elasticity in seawater)

  • Structural Integrity:

    • 8-strand braided core + double-braided jacket (ISO 1968)

    • Abrasion resistance: >15,000 cycles (EN 1492-4 Drum Test)

SPM-Optimized Design

  • Dynamic Response Superiority:

    • Energy absorption: 45-60% (vs. polyester’s 30-40%)

    • Hysteresis loss <15% (efficient load recovery)

  • Marine Environment Durability:

    • UV stabilization: 10,000+ hours (ISO 4892-2)

    • Hydrolysis resistance: 15-year service life in tropical zones

 

 

Specifications

 

Single Point Mooring Hawsers are manufactured in accordance with OCIMF 2000 regulations. Various sizes and materials can be customized according to requirements.

 

SPM-HM8

Materials:

High tenacity HM-yarn and high tenacity polyester

Construction:

8 strand plaited

Treatment:

Marine finish

Color of Rope:

White with blue and orange marker

Approx. Spec. Density:

1.27 non-floating

Melting point:

165°C / 260°C

Abrasion resistance:

Excellent

U.V. resistance:

Excellent

Temperature resistance:

80°C max continuous

Chemical resistance:

Good, solvents and strong oxidisers may have a mild effect

Dry & wet conditions:

Wet strength ± 5% lower than dry strength

Weight:

± 5%

Diameter:

± 2%

 

SPM-HM12

Materials:

Polyamide (nylon)

Construction:

12 strand braided with a braided cover of polyamide

Treatment:

Marine finish

Color of Rope:

White with blue and orange marker

Approx. Spec. Density:

1.27 non-floating

Melting point:

215°C / 260°C

Abrasion resistance:

Excellent

U.V. resistance:

Excellent, due to jacket

Temperature resistance:

80°C max continuous

Chemical resistance:

Reasonable; acids, oxidisers & solvents will affect nylon

Dry & wet conditions:

Wet strength ± 5% lower than dry strength

Weight:

± 5%

Diameter:

± 2%

 

 

Hongruntong Marine Differentiators

 

» Asia’s Only OCIMF 2000 Nylon Hawser Licensee
» Field-Proven in 120+ SPM Systems (Including Petrobras P-67 FPSO)
» Rapid Customization:

  • Pre-spliced chafe guards + RFID load monitoring

  • Custom lengths (200m single-section fabrication)
    » Disaster Recovery Protocol: 48-hour airlift replacement

 

 

Detailed Images

 

mooring hawser

mooring hawser rope

 

 

spm mooring hawsergrommet mooring hawser

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High-Strength Marine Mooring Hawser | OCIMF 2000 Compliant | Hongruntong Marine