Gold Member Since 2011
Audited Supplier
Zaoqiang Dacheng Rubber Co., Ltd.

Pipe Plug with Rubber Bag, Rubber Core Mold, Pipe Plugs with Rubber Bag manufacturer / supplier in China, offering Pipe Rubber Mandrel for Bridge Construction (made in China), Inflatable Rubber Stopper/Rubber Pipe Plugs for Closing Pipeline, Economic and Durable Air Inflatable Rubber Dam for Irrigation and so on.

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Supplier Homepage Product culvert airbags Pipe Rubber Mandrel for Bridge Construction (made in China)

Pipe Rubber Mandrel for Bridge Construction (made in China)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 50000PCS/Year
Transport Package: in Pallets or Wooden Cases
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: Diameter range 150mm-2200mm
  • Material: Natural Rubber
  • Trademark: Dacheng
  • Origin: China
  • Usage: Concrete Pipe Making
  • Size: 50-2400mm
  • Specification: Various Specifications
  • HS Code: 40169500
Product Description
Contact information
Sales Manager:   Ms Jenny Lee
Mobile Phone:    +86-18678456530
Tel:                       86-318-8538202
Fax:                      86-0318-2210707
Companies:       Zaoqiang Dacheng Rubber Co.,Ltd.


Inflatable rubber mandrel is a kind of cylinder bag that can expand, shrink, used to
form concrete component of cavity. It is easy to be used, economic, and durable. It
can not only save materials, but also has the shape characteristics, as it could be
round, rectangle, octagon, hexagon, trapezoidal pipeline, etc.

Pipe Rubber Mandrel for Bridge Construction (made in China)

Terence of Thickness, mm3.2±0.2
Hardness(Shore A)65±5
Adhesive tension of rubber
and fabric,N/25mm
Tensile strength, M pa≥12
Elongation at break, %≥350
300% Stretch set length, M Pa6
Stretch for deformation ratio≤20 %(Prevent distortion)
Suitable temperature,°C-10~80
AppearanceNo cracks, no bubbles on the surface;
the length of impurities trace is not more than 3mm;
the depth is not more than 1.5mm; 
the quantity of the trace is not more than one;
the deformation is not more than 2mm.
1. Inflatable core mold design scientific and reasonable
2. Inflatable core mold has good aging resistance performance, long life
3. Inflatable core mold temperature range In the range of -10 Degree ~ +90 Degree,
Inflatable core mold material will not change
4. Inflatable core mold provides the necessary condition for the bridge, construction
of light
5. Inflatable core mold construction technique is simple, safe, health.When Inflatable
core mold in application, using a few of simple tools, no need of special process. 

As long as Inflatable core mold into a steel cage, inflating pressure of up to the
working pressure (according to the pressure gauge and instructions for quasi),
namely the pouring of concrete, the initial set of concrete, the Inflatable core mold
bleed out, can complete the molding product components, and Inflatable core mold
does not pollute the environment.

Pipe Rubber Mandrel for Bridge Construction (made in China)

It is usually used in reinforced concrete members, bridge construction, irrigation
works and tunnels, such as stake, roof, roof board column, beam, building, water
conservancy project(shipyards, slipway, dock).

Q:Which specification can you produce?
A:Our factory is a professional manufacture of rubber balloon with rich experience.
Our produced specification is as follows:
Diameter: 150mm-2200mm  
Length:      1m-28m

Note: The above is our standard specification and we can also customize it as
client's special requirements.

Pipe Rubber Mandrel for Bridge Construction (made in China)

Q:Can What kind of shape can you make?
A:we can make more than ten shapes including cylinder,round, rectangle, octagon,
hexagon, trapezoidal pipeline, etc, or according your requirements and drawings.
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Miss Jenny
Sales Manager
To: Miss Jenny

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