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Add: Room 1608 Dingye International Mansion, No. 54 Moscow Road, Qingdao Free Trade Zone, China.
Tel: +86-532-80689155
Fax: +86-532-80689156
Mob: +8618205321693
E-mail: info91@florescence.cc
Brain Gai: info@florescence.cc
Culvert Rubber Balloon

Culvert Rubber Balloon

culvert rubber balloon
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Culvert rubber balloon, is made from high strength synthetic rubber and canvas cloth, by high temperature vulcanization.

It is popular used in China domestic, Kenya, Nigeria, Tanzania etc. projects, for bridge culvert concrete beam making. It plays in the role of inflatable core mold, inflatable mandrel, before concrete pre-casting, for concrete tubular forms.

Comparing with plastic or steel form work, culvert rubber balloon / airbag is more portable, easy to handle. What's more, it is also more economical. At last, it is also easy to store, and is reusable for many times.

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Pictures for culvert rubber balloon

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Please pay more attention, no over pressure when inflating the culvert rubber balloon:

Diameter
Pressure /mpa
150
0.08
160-190
0.08
200-220
0.07
230
0.06
240-280
0.05
300-370
0.045
380-480
0.04
500-520
0.035
550-600
0.03
620-680
0.025
700
0.02
800
0.02
900
0.02
1000
0.02
1200
0.02
1500
0.015
1800
0.015

Technical Parameters of culvert rubber balloon:

Items
Index
Tolerance of thickness, mm
3.2±0.2
Hardness (shore A)
65±5
Adhesive tension of rubber & fabric N/25mm
≥8
Tensile strength, Mpa
≥12
Elongation at break, %
≥350
300% stretch set length, Mpa
6
Stretch for deformation ratio
≤20% (prevent distortion)
Suitable temperature ℃
-10--+80
Appearance
No cracks, no bubbles on the surface,The length of imputities trace is no more than 3mm, the depth is no more than 1.5mm, the quantity of the trace is no more than one, the deformation is no more than 2mm


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  • Contact Us
    Add: Room 1608 Dingye International Mansion, No. 54 Moscow Road, Qingdao Free Trade Zone, China.
    Tel: +86-532-80689155
    Fax: +86-532-80689156
    Mob: +8618205321693
    E-mail: info91@florescence.cc
    Brain Gai: info@florescence.cc
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