Dock Rubber Fender Superior Impact Resistance Weather Resistant Durable Rubber Construction
Description
Cone Rubber Fenders are engineered for high-frequency berthing environments where cyclic loading, fatigue resistance, and environmental durability are critical. Designed with a progressive compression cone structure, these fenders provide reliable energy absorption while maintaining structural integrity under repeated impact conditions.
Manufactured using enhanced fatigue-resistant natural rubber compounds combined with reinforcing fillers and anti-degradation agents, the fenders exhibit excellent dynamic performance stability. Available in heights from 400 mm to 1800 mm, they are suitable for medium to large displacement vessels operating in demanding marine climates including high UV exposure, salt spray, and fluctuating temperatures.
The design ensures uniform stress distribution, minimizing internal crack propagation during long-term compression cycles. This makes them particularly suitable for high-traffic commercial terminals where operational continuity and reduced downtime are essential.
Case Study – High Traffic Bulk Terminal
A bulk cargo terminal handling 80,000 DWT bulk carriers experienced accelerated wear of its legacy fender system due to frequent berthing cycles exceeding 20 dockings per week. Fatigue cracking appeared within five years of installation.
Hongruntong Marine supplied fatigue-enhanced Cone Rubber Fenders with optimized compound formulation and reinforced base geometry. After installation, fatigue-related surface cracking was eliminated, and compression recovery performance remained stable after extensive operational cycles. The terminal reported significantly reduced maintenance interventions and extended inspection intervals.
Specifications
| Product Name | Cone Rubber Fenders |
| Brand Name | Hongruntong Marine |
| Material | High Quality NR |
| Standard | PIANC, HGT |
| Face Pads | UHMW-PE Available |
| Certificates | BV, ABS, DNV, LR, SGS, RS, CCS |
| OEM / ODM | Welcome |
| Packing Details | Pe Plastic Bags Then to The Pallet / as Per Your Request |
| Production Capacity | 3000 Pcs Per Month |
| Lead Time | 7 Days for Prototype Tooling & Samples, 14 Days for Production Mold, 14-28 Days for Moq |
| Payment Terms | T/T, L/C, Paypal, Western Union |
| Rubber Specification | ASTM D2000, SAE J200 |
| Model | H | h | F | D | Q | W | d-m | d-n |
| Cone | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] |
| HM-CRF300 | 300 | 13.5 | 255 | 450 | 195 | 405 | M16 | 20 |
| HM-CRF350 | 350 | 25 | 300 | 570 | 235 | 510 | M20 | 25 |
| HM-CRF400 | 400 | 18 | 340 | 600 | 260 | 540 | M20 | 25 |
| HM-CRF500 | 500 | 25 | 425 | 750 | 325 | 675 | M24 | 30 |
| HM-CRF600 | 600 | 27 | 510 | 900 | 390 | 810 | M24 | 30 |
| HM-CRF700 | 700 | 32 | 585 | 1050 | 455 | 945 | M30 | 38 |
| HM-CRF800 | 800 | 36 | 680 | 1200 | 520 | 1080 | M36 | 44 |
| HM-CRF900 | 900 | 41 | 765 | 1350 | 585 | 1215 | M36 | 44 |
| HM-CRF1000 | 1000 | 45 | 850 | 1500 | 650 | 1350 | M42 | 56 |
| HM-CRF1050 | 1050 | 55 | 1030 | 1680 | 900 | 1530 | M36 | 44 |
| HM-CRF1100 | 1100 | 50 | 935 | 1650 | 715 | 1485 | M42 | 50 |
| HM-CRF1150 | 1150 | 52 | 998 | 1725 | 750 | 1550 | M42 | 56 |
| HM-CRF1200 | 1200 | 54 | 1020 | 1800 | 780 | 1620 | M42 | 50 |
| HM-CRF1300 | 1300 | 59 | 1105 | 1950 | 845 | 1755 | M48 | 60 |
| HM-CRF1400 | 1400 | 66 | 1190 | 2100 | 930 | 1890 | M48 | 60 |
| HM-CRF1600 | 1600 | 72 | 1360 | 2400 | 1060 | 2160 | M48 | 70 |
| HM-CRF1800 | 1800 | 78 | 1530 | 2880 | 1190 | 2430 | M56 | 76 |
| HM-CRF2000 | 2000 | 80 | 1900 | 3200 | 1540 | 2920 | M56 | 76 |
Features
Exceptional Fatigue Resistance Under Repeated Cycles
The rubber compound is specifically engineered for dynamic cyclic loading conditions. Through optimized polymer chain distribution and reinforcing filler dispersion, the material resists micro-crack formation during repeated compression. Laboratory fatigue tests confirm stable performance even after hundreds of thousands of load cycles, ensuring consistent energy absorption capacity over time.
Environmental Durability in Harsh Marine Climates
Cone Rubber Fenders are formulated with anti-UV agents, anti-ozonants, and anti-oxidative additives to resist degradation from sunlight, ozone exposure, and saltwater immersion. This prevents surface hardening and loss of elasticity, maintaining mechanical properties in tropical and coastal environments with high salinity levels.
Stable Compression Recovery Performance
After high-load compression events, the fender rapidly returns to its original shape without permanent deformation. This recovery ability ensures predictable energy absorption during subsequent berthing events, enhancing operational safety and structural reliability.
Structural Base Reinforcement Design
The wide conical base distributes load evenly onto the mounting surface, reducing stress concentration around anchor bolts. This minimizes the risk of installation-related structural damage and enhances long-term mounting stability.
Applications
High Frequency Commercial Ports
Ideal for terminals with continuous vessel traffic where fatigue resistance and operational reliability are essential.
Tropical and High UV Coastal Regions
Suitable for ports exposed to intense sunlight and salt spray conditions.
Retrofit Projects
Applicable in upgrading aging infrastructure where improved durability and longer inspection intervals are required.
Why Choose Hongruntong Marine
Advanced Material Engineering Capability
Hongruntong Marine develops rubber compounds tailored for specific performance requirements, including fatigue resistance and environmental stability. Material formulations are optimized through controlled mixing processes and laboratory validation testing.
Comprehensive Fatigue and Compression Testing
Every production batch undergoes cyclic compression testing to verify long-term performance stability. Mechanical property verification ensures consistent elasticity, hardness, and tensile strength.
Engineering Driven Custom Solutions
The company provides project-specific solutions rather than standardized product supply. Engineering teams evaluate operational frequency, vessel type, and environmental exposure before recommending optimal specifications.
Long Term Operational Cost Optimization
By reducing maintenance frequency and extending service life, Hongruntong Marine helps clients achieve measurable reductions in lifecycle cost while maintaining safety standards.
FAQ
1. How do Cone Rubber Fenders perform under high-frequency berthing conditions?
They are specifically engineered for repeated cyclic loading and maintain stable energy absorption performance without fatigue cracking under normal operating conditions.
2. Can these fenders resist UV and saltwater exposure?
Yes, the rubber compound contains anti-UV and anti-oxidation additives that protect against environmental degradation in coastal regions.
3. What is the recommended inspection interval?
Inspection intervals depend on traffic frequency, but typically visual inspections every 6 to 12 months are sufficient.
4. Are fatigue tests conducted before delivery?
Yes, cyclic compression tests are conducted to ensure consistent long-term mechanical performance.
5. Can they replace older cylindrical fenders directly?
In many retrofit cases they can, but engineering evaluation is recommended to verify compatibility.
![]()
![]()
![]()
![]()
![]()