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Qingdao Aorunda Rubber Industry Co., Ltd.

Pneumatic Tubular Formwork, Inflatable Rubber Mandrel, Rubber Airbag manufacturer / supplier in China, offering Aorunda Factory Sales Rubber Inflatable Mandrel, Easy to Operate and Install of PVC Bridge Preloading Water Bag Bladder, Guarante Safety Inflatable Rubber Ship Salvage Airbag and so on.

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Aorunda Factory Sales Rubber Inflatable Mandrel

Purchase Qty.:
1-9 10-49 50+
FOB Unit Price: US $1,450 US $1,300 US $1,100
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $1,450
10-49 US $1,300
50+ US $1,100
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Production Capacity: 500PCS/Month
Transport Package: Woven Package and Pallet
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: ARD rubber mandrel(18)
  • Capability: for Making Concrete Culverts
  • Product Name: Pneumatic Tubular Formwork
  • Hardness: 65±3 S.H.a
  • Tensile Strength, MPa: ≥12
  • 300% Stretch Set Length, MPa: 6
  • Suitable Temperature,°c: -10~90
  • Specification: Diameter 0.2-2.4m, Length 4-28m
  • HS Code: 40169500
  • Material: Natural Rubber
  • Color: Black
  • Thickness: 3.2
  • Adhesive Tension of Rubber and Fabric,N/: ≥8
  • Elongation at Break, %: ≥350
  • Stretch for Deformation Ratio: ≤20 %
  • Trademark: ARD
  • Origin: Qingdao, Shandong
Product Description
Inflatable rubber mandrel(pneumatic tubular formwork) is a kind of cylinder bag that can expand, shrink, used to form concrete component of cavity, in the process of manufacturing  hollow component, put it in the middle, and filled with compressed air, make the capsule expand,  as the concrete component solidification then can empty gas from the cavity, pulled out the capsule. It is easy to be used,  convenient and durable, is soft and can  fold, curly, contraction when it isn't inflate, it have the enough strength to withstand the pressure of concrete when it is inflated, this is incomparable with any traditional template. it is used in reinforced concrete members, including stake, roof, roof board column, beam, building, water conservancy project (shipyards, slipway, dock). Construction practice proves that Inflatable rubber mandrel is simple, not only save materials, and has a shape characteristics, it could be round, oval, rectangle, vaulted, trapezoidal pipeline, etc. Also you can make a straight hole, etc, can make a building structure light, thin wall hollow, change the concrete performance have been used rigid characteristic template situation. 

Standard specifications of Ard pneumatic tubular formwork
1> Diameter (D)   : From 0.2m to 2.4 m.
2>Total Length (TL) : From 4m to28m.
3>Other specification also available upon customer's request.
 Technical parameters of rubber mandrel please kindly check the form

 Working pressure(Mpa)

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