Product introduction
Marine rubber airbags are now used for ship launching, loading, and floating. They are widely used in cargo boats/ships/vessels launching and landing, lifting and moving sunken ships, and salvaging stranded boats. The benefits of airbags are that they save labor, time, and investment costs. Additionally, they are flexible, portable, and dependable.
After more than three decades of practice and accumulation of experience, we have developed the technology from launching only 1,000 DWT ships to the current 55,000 DWT ships, and we will achieve more. This technology has become flexible, promising, secure, and mature. Besides that, these airbags are widely used to slip off ships and boats of all sizes.
The main raw material of marine rubber airbags is indeed rubber. More specifically, this rubber may be natural synthetic rubber. In addition to rubber, marine airbags may contain other materials, such as dipped nylon cords for the internal reinforcing skeleton. These materials are resistant to corrosion and aging, making them ideal for use in marine environments.
|
Material performance |
comply with ISO14409:2011 |
||
|
No. |
Test item |
Required Value |
Standard |
|
1 |
Tensile strength, Mpa |
≥18 |
ISO37 |
|
2 |
Elongation at break,% |
≥400 |
ISO37 |
|
3 |
Hardness,°(Shore A) |
60±10 |
ISO7619-1 |
|
4 |
Tear Strength, N/cm |
≥400 |
ISO34-1 |
|
5 |
Compression Set,%(70℃±1℃,22h) |
≤30 |
ISO815-1 |
|
6 |
Holding of pull lengthening,% |
≥80 |
ISO188 |
|
7 |
Holding of elongation at break,% |
≥80 |
ISO188 |
|
8 |
Change of hardness,°(Shore A) |
≤8 |
ISO7619-1 |
|
9 |
Static ozone aging at 40℃x96h ,extension 20% |
No crack |
ISO1431-1 |
Advantage
The marine rubber airbags comprise layers of rubber sheets and rubber-hanging nylon cords. Using the airbag to get into and out of the water is economical and easy to operate. It can be used repeatedly, eliminating dock and track construction costs and time.
Luhang airbag has the following advantages:
(1) It comprises an inner rubber layer, a nylon cord layer, and an outer rubber layer, significantly improving air tightness and ensuring that pressure does not exceed 5% in 24 hours.
(2) The use of unique rubber formula and special production technology for airbags increases the airbag's strength, making the airbag's design life more than 6 years.
(3) Luhang has over 30 years of experience in water loading and launching, has successfully launched 100,000-ton ships, and professionally customizes water loading and launching solutions.
Product performance exceeds relevant international, national, and shipbuilding industry standards.
Size and specification
We usually produce and supply airbags in the size of the following as per the customer's launching requirement:
Diameter: 0.8m, 1.0m, 1.2m, 1.5m, 1.8m, 2.0m, 2.5m
Effective length: 5m-24m
Layer: 4-10 layers usually produce and supply airbags in the size of the following as per the customer's launching requirement:
Diameter: 0.8m, 1.0m, 1.2m, 1.5m, 1.8m, 2.0m, 2.5m
Effective length: 5m-24m
Layer: 4-10 layers
|
Diameter(m) |
1.0 |
1.2 |
1.5 |
1.8 |
2.0 |
|
|
Medium Pressure |
Test pressure |
0.14-0.16 |
0.12-0.14 |
0.10-0.12 |
0.08-0.10 |
0.07-0.09 |
|
Working pressure |
0.12-0.14 |
0.10-0.12 |
0.08-0.10 |
0.07-0.09 |
0.06-0.08 |
|
|
High Pressure |
Test pressure |
0.22-0.26 |
0.20-0.24 |
0.15-0.20 |
0.13-0.16 |
0.12-0.15 |
|
Working pressure |
0.20-0.24 |
0.17-1.22 |
0.13-0.18 |
0.11-0.14 |
0.10-0.13 |
|
Inspection and packing
Luhang is very strict about the factory inspection of airbags. The appearance, pressure, and air tightness must be carefully inspected to ensure that every indicator meets the standards before shipment. Only in this way can we better ensure that every customer can use our products safely and confidently.
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