Ship Repair Rolling Rubber Air Balloon With 1.8m Diameter
Airbag for Ship Launching
High strenth ship hoisting airbag is widely applied to ship lifting
and launching,
heavy object hoisting and transportiion, salvage sunken ships,
ships run aground and rescue.
When launching large vessels, a vessel can easily be damaged due to
the property of solidity of
the slideway and huge buoyancy at the moment when a ship is
launched into water. Our flexible
launching technology overcomes this problem because of the airbags
flexibility. In conclusion, the
Flexible Launching Technology is labour-saving, time-saving,
flexible, economical and safe.
1 Airbag Structure
"XINCHENG" Marine Rubber Airbags' structure is consists of the
outer rubber layer synthetic cord reinforced rubber layers and
inner rubber layer.
Its shape characteristics: central body cylindrical + tapered on
both ends.
Cord layers: 4,5,6,7,8,9,10, layers
Accessories: Pressure gage, Inlet valve, Pipe fitting and seal end
ring.
2 Material
- Choose the best quality of imported natural rubber, such as smoked
sheet rubber and 3L natural rubber from Thailand and Malaysia,
which has good elasticity, ageing resistance, and will not take off
layer. Meanwhile, During the process of produce rubber, we using
efficient stabilizer to make rubber more environmentally friendly
and no cracks.
| No |
Test item | Required value | Test method |
| 1 | Tensile strength,MPa | ≥18 | ISO 37 |
| 2 | Elongation at break, % | ≥400 | ISO 37 |
| 3 |
Hardness, °(Shore A) | 60±10 | ISO 7619-1 |
| 4 | Tear Strength, N/cm | ≥400 | ISO 34-1 |
| 5 | Compression set, %(70ºC±1ºC, 22h) | ≤30 | ISO 815-1 |
| 6 | After thermal ageing at 70ºC±1ºC, 96h | Holding of pull lengthening, % | ≥80 | ISO 188 |
| 7 | | Holding of elongation at break, % | ≥80 | ISO 188 |
| 8 | | Change of hardness,°(Shore A) | ≤8 | ISO 7619-1 |
| 9 | Static ozone aging test at 40ºCx96h
[ozone concentration(50±5)x10-8],extension 20%
| No crack | ISO 1431-1 |
2) Our marine rubber airbags' material using three strands
synthetic-tyre-cords whose tensile strength can be 31 KG, which
make our airbags more higher bearing capacity and safety.
SPECIFICATION OF MARINE AIRBAG
| Some normal sizes of our marine airbags, other sizes are also
available |
| Diameter(m) | Effective Length(m) | Layer | Pressure(MPa) |
| 1.0 | 10 | 5~6 | 0.07~0.10 |
| 1.0 | 12 | 5~6 | 0.07~0.10 |
| 1.0 | 15 | 5~6 | 0.07~0.10 |
| 1.2 | 10 | 5~6 | 0.08~0.12 |
| 1.2 | 12 | 5~6 | 0.08~0.12 |
| 1.2 | 15 | 5~6 | 0.08~0.12 |
| 1.5 | 12 | 5~8 | 0.08~0.16 |
| 1.5 | 15 | 5~8 | 0.08~0.16 |
| 1.5 | 18 | 5~8 | 0.08~0.16 |
| 1.5 | 20 | 4~8 | 0.08~0.16 |
| 1.5 | 24 | 5~8 | 0.08~0.16 |
| 1.8 | 12 | 5~8 | 0.08~0.15 |
| 1.8 | 15 | 5~8 | 0.08~0.15 |
| 1.8 | 18 | 5~8 | 0.08~0.15 |
| 1.8 | 20 | 5~8 | 0.08~0.15 |
| 1.8 | 24 | 5~8 | 0.08~0.15 |
| 2.0 | 18 | 6~10 | 0.08~0.18 |
| 2.0 | 20 | 6~10 | 0.08~0.18 |
| 2.0 | 24 | 6~10 | 0.08~0.18 |
| 2.5 | 18 | 7~10 | 0.07~0.13 |
| 2.5 | 20 | 7~10 | 0.07~0.13 |
| 2.5 | 24 | 7~10 | 0.07~0.13 |
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