Foam Fenders
Foam Fenders are a type of marine fender that are made of closed-cell foam material. They are commonly used to protect boats and ships from damage when they come into contact with docks, piers, or other vessels. Foam fenders are lightweight, durable, and have excellent shock-absorbing properties.
Foam Fenders are devices designed to protect vessels and other marine structures from damage during docking, mooring, and other operations. They are made from foam materials that are flexible, durable, and resistant to environmental degradation.
Foam Fenders can be cylindrical or rectangular in shape and are installed around the sides of a vessel or structure to absorb impact forces and prevent contact damage. They are commonly used in ports, harbors, and offshore installations to protect ships, boats, oil rigs, and other marine structures from collisions and rubbing against each other.
Foam Fenders are an essential safety feature in the marine industry and are required to comply with international safety regulations.
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Characteristics
► Fully compliant with US Navy specifications
► Wide range of standard and custom sizes
► Low reaction and high energy options
► Operate floating or suspended
► Virtually indestructible
Applications
● Cruise ships
● Container vessels
● Bulk cargo
● Oil and gas tankers
● Navy berths
● Ship-To-Ship transfer
WHY Choose Hongruntong Fenders?
◆ The best solutions designed for more than 30 years
◆ Speedy delivery, shorten project cycle
◆ Has high flexibility and possibility
◆ Competitive prices and Solutions
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Fender Structure
There are two types of fender structures available for selection.
Foam Fenders – Product Material Tables
Standard Foam Material Properties
| Test Item | Test Method | Required Value |
| Density | ASTM D-3575 Suffix W | 62 kg / cu m (+/-10%) |
| Tensile strength | ASTM D-3575 Suffix T | 289 kPa Min. |
| Elongation | ASTM D-3575 Suffix T | 95 % Min. |
| Tear resistance | ASTM D-3575 Suffix G | 2.2 kN/m Min. |
| Compressive strength | ASTM D-3575 Suffix D | |
| 10% deflection | 27 kPa Min. | |
| 25% deflection | 48 kPa Min. | |
| 40% deflection | 77 kPa Min. | |
| 50% deflection | 110 kPa Min. | |
| Compression set average | ASTM D-3575 Suffix B | 17.2% |
| Thermal stability | ASTM D-3575 Suffix S | <0.5 % change (24 hrs at 70 deg C) |
| Water absorption | ASTM D-3575 Suffix L | <0.34 kg / sq m (skived) |
| Flammability | FMVSS302 | Pass |
| PPP-C-1752B | -54 deg c to 99 deg C |
Polyurethane Elastomer Skin Material Property Requirements
| Test Item | Test Method | Required Value |
| Shore A durometer hardness | ASTM D-2240 | 75-95 |
| Tensile strength | ASTM D-412 | 13.8 MPa Min. |
| Elongation | ASTM D-412 | 300% Min. |
| Tear strength | ASTM D-624 | 32.4 kN/m Min. |
| Flex life (ross) | ASTM D-1052 | 100,000 cycles Min. break |
| Abrasion resistance (NBS) | ASTM D-1630 | 100 |
Nylon Filament Reinforcement Material Property Requirements
| Test Item | Test Method | Required Value |
| Nylon cord weight | ASTM D-885 | 0.280 g/m avg. |
| Breaking strength | ASTM D-885 | 231 N avg. |
| Elongation (ultimate) | ASTM D-885 | 16% avg. |
Nylon Filament Reinforced Elastomer Skin Material Property Requirements
| Test Item | Test Method | Required Value |
| Tensile strength | ASTM D-412 | 31.0 Mpa Min. |
| Elongation | ASTM D-412 | 16% Min. |
| Tear strength | ASTM D-624 | 78.8 kN/m Min. |
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Dimensions
| Fender Size D x L [mm] |
Low Capacity | Standard Capacity | High Capacity | |||
| Energy [kNm] |
Reaction [kN] |
Energy [kNm] |
Reaction [kN] |
Energy [kNm] |
Reaction [kN] |
|
| 700 x 1,500 | 20 | 78 | 29 | 133 | 39 | 174 |
| 1,000 x 1,500 | 28 | 128 | 49 | 174 | 62 | 227 |
| 1,000 x 2,000 | 41 | 147 | 68 | 254 | 88 | 329 |
| 1,200 x 2,000 | 54 | 167 | 91 | 280 | 118 | 365 |
| 1,350 x 2,500 | 91 | 245 | 152 | 418 | 198 | 543 |
| 1,500 x 3,000 | 140 | 343 | 232 | 578 | 301 | 752 |
| 1,700 x 3,000 | 170 | 369 | 282 | 619 | 366 | 805 |
| 2,000 x 3,500 | 273 | 507 | 455 | 845 | 592 | 1099 |
| 2,000 x 4,000 | 324 | 605 | 540 | 1006 | 701 | 1308 |
| 2,000 x 4,500 | 374 | 699 | 624 | 1161 | 811 | 1508 |
| 2,500 x 4,000 | 455 | 716 | 802 | 1197 | 1042 | 1557 |
| 2,500 x 5,500 | 720 | 1072 | 1201 | 1789 | 1562 | 2327 |
| 3,000 x 4,900 | 859 | 1063 | 1431 | 1508 | 1861 | 2309 |
| 3,000 x 6,000 | 1111 | 1379 | 1852 | 2296 | 2408 | 2986 |
| 3,300 x 4,500 | 900 | 1015 | 1499 | 1691 | 1950 | 2198 |
| 3,300 x 6,500 | 1454 | 1638 | 2423 | 2732 | 3150 | 3551 |
*Other non-standard sizes can be customized according to requirements without mold cost.
Generic Performance Curve
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Detailes Photos
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