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[China]
Trade Verify
Address: Beilongwan Industrial Park, Jimo District, Qingdao City, Shandong Province, China.
Contact name:Cathy Zhang
QINGDAO SHUNHANG MARINE SUPPLIERS CO., LTD. |
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Verified Suppliers
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Experienced Manufacturer Dock Defense Boat Rubber Fender
Product Introduction:
Boat rubber fender is also known as pneumatic rubber fender,Yokohama type fender. It was fiest invented by the manufacturer of YOKOHAMA, so it now also called Yokohama fenders. After years of improvement, Shunhang's Yokohama fenders used special technilogy and material, makes it to have better performance .
Boat rubber fenders play a critical role in the safe operation of ship berthing and mooring. and became the world's leading anti-collision device.It's widely used for ship-to-ship (STS) transfer operations, ship to quay (STQ) operations and ship-to-berthing (STB) operations.
Feature of Shunhang Boat Rubber Fender:
1. Guaranteed energy absorption
2. Chain tyre net and sling type
3. Thick skin construction
4. Good angular performance
5. Less surface pressure onto the side wall of ships. (The capability of accepting surface pressure of the fender is up to 14 ton/m2).
6. No reduction on the performance of compression when inclined.
7. Suitable for areas with large or small tides.
8. Suitable in cold weather because the compressed air as buffering medium.
9. Especially in mooring of large scale ships in sea docks and lightering.
10. Maintains large clearances between hull and structure
Specificaton of Boat Rubber Fender
Initial internal pressure : 50kPa or 80kPa.
| Size | Initial Internal Pressure 50kPa | Initial Internal Pressure 50kPa | |||
Diameter/ Meter | Length /Meter | Energy Absorption /KJ | Reaction Force /KN | Energy Absorption /KJ | Reaction Force /KN |
| 0.5 | 1 | 6 | 64 | 8 | 85 |
| 0.7 | 1.5 | 17 | 137 | 24 | 180 |
| 1.0 | 1.5 | 32 | 182 | 45 | 239 |
| 1.0 | 2.0 | 45 | 257 | 63 | 338 |
| 1.2 | 2.0 | 63 | 297 | 88 | 390 |
| 1.5 | 3.0 | 153 | 579 | 214 | 761 |
| 1.7 | 3.0 | 191 | 639 | 267 | 840 |
| 2.0 | 3.5 | 308 | 875 | 430 | 1150 |
| 2.5 | 4.0 | 663 | 1381 | 925 | 1815 |
| 2.5 | 5.5 | 943 | 2019 | 1317 | 2653 |
| 3.0 | 5.0 | 1050 | 2000 | 1571 | 2709 |
| 3.0 | 6.0 | 1312 | 2488 | 1888 | 3292 |
| 3.3 | 4.5 | 1175 | 1884 | 1640 | 2476 |
| 3.3 | 6.0 | 1675 | 2783 | 2338 | 3652 |
| 3.3 | 6.5 | 1814 | 3015 | 2532 | 3961 |
Outer and Inner Rubber Material Requirements of Marine Rubber Fenders
Test item |
Test method | Required value | |
| Outer rubber | Inner rubber | ||
| 1. Before aging | – | – | – |
| 1.1 Tensile strength | ISO 37:2011 | 18 MPa or more | 10 MPa or more |
| 1.2 Elongation | ISO 37:2011 | 400 % or more | 400 % or more |
| 1.3 Hardness | ISO 7619-1:2010 | 60 ± 10 (Durometer hardness Type A) | 50 ± 10 (Durometer hardness Type A) |
2. After aging |
ISO 188:2011 | Air oven aging, 70°C ± 1°C, 96 h | Air oven aging, 70°C ± 1°C, 96 h |
| 2.1 Tensile strength | ISO 37:2011 | Not less than 80 % of the original property | Not less than 80 % of the origi- nal property |
| 2.2 Elongation | ISO 37:2011 | Not less than 80 % of the original property | Not less than 80 % of the origi- nal property |
| 2.3 Hardness | ISO 7619-1:2010 | Not to exceed the original prop- erty by more than 8 | Not to exceed the original prop- erty by more than 8 |
| 3. Tear | ISO 34-1:2010 | 400 N/cm or more | No requirement |
| 4. Compression set | ISO 815-1:2008 | 30 %(70 ± 1 °C, 22hours) or less | No requirement |
5. Static ozone aging test |
ISO 1431-1:2012 | No cracks after elongation by 20 % and exposure to 50 pphma at 40 °C for 96 h |
No requirement |
NOTE If the colour of the outer cover is not black, the material requirements will differ from those in this table. a Parts of ozone per hundred million of air by volume. | |||
Notice Of Fender Application And Storage
1. The fender pressure should be kept in the standard pressure
,within the rate of ± 5% range.
2. Often check the pressure , when the pressure drops, Inflate the
fender in time, so as not to affect the normal use of the fender.
3. When connecting the fender with a steel wire rope, the wire rope
should be fitted with a rubber sleeve to avoid damage to the fender
4. Do not touch the fender surface with the the sharp objects , to
prevent piercing the fender. If the fender's surface is damaged, it
will affect the lifespan of the fender.
5. When the fender is in normal use, the fixing points should be
firm, prevent the detachment and wash away the fender. Suspension
of the rope and hook ring should be connected orderly , can’t be in
a mess.
6. If the fender won’t be used in a long time , to clean the fender
surface with fresh water, and place the fender in a dry, cool,
ventilated place, without direct sunshine.
7. When the fender is stored for a long time, the pressure should
be reduced and the fender should be placed far away from the heat
source.
8. Because the fender is rubber product, should try to avoid the
fireworks, not contact with acid, alkali, oil and other organic
solution
9. When the fender is stored, it shall not be folded or stacked, and don’t stack other objects on the fender.
FAQ:
Q1: What's the MOQ of your boat rubber fender ?
Answer: The MOQ is 1pc. Sample order is acceptable.
Q2: What's the lifespan of your boat rubber fenders?
Answer: Designed lifespan of our boat rubber fenders is 6 to 10 years
Q3: How long is your warranty period?
Answer: Our warranty period is 2years.
Q4: Can you help us to recommend suitable boat rubber fenders size and quantity ?
Answer: Pls tell us your ship information, we can suggest suitable size and quantity for you.
Q5: What kind certificate you can provide.
Answer: We can provide ABS, BV, SGS, ABS. etc,
