Hengshui Baole Rubber Products Trading Co., Ltd.
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Inflatable Rubber Mandrel & Mold

— Inflatable Rubber Mandre
Product Category: Marine Fender Systems
Sales Method: Manufacture
Min. Order Unit Price
Contact Info

Mr.Zhanghui

Address: China (mainland) Hebei Hengshui,No. 7, Zone 4, Rubber Market, Taocheng, Hengshui, Hebei, China
All Products (7)

Product Detail

Product Attribute:

  • China (mainland) More >
  • 08/15/2014
  • 08/15/2014

Product Content Description:

Inflatable Rubber Mandrel for Structure Weight Reduction
Inflatable rubber mandrel is similar to a marine airbag, but different in usage - that is to form cavities for large reinforced concrete structures including bridge, tunnels, roof, stake, roof board column, beam, building construction, irrigation works and water conservancy projects, etc. In this way, 20% weight of building structure is reduced than those with solid concrete structures. Meanwhile, inflatable rubber mandrels shorten the pipe foundation, increase span as well as provide a simpler and safer construction.
Inflatable rubber mandrels
Features:
? High strength to withstand the pressure of concrete when the mandrel is inflated.
? Quality synthetic rubber and natural rubber materials make the mandrel durable, long lasting, flexible and elastic.
? Save materials, time and efforts.
? Soft to fold, curly, contract and store.
? Various shapes including round, oval, rectangular, vaulted, trapezoidal, etc.
? Great resistance to aging and bulge.
? Wide applicable temperature ranging form 10°C to 90°C.
Shapes of inflatable rubber mandrels
? Easy and convenient to operate - only place mandrels into negative reinforcement cage, inflate them to appropriate work pressure, pour concrete and deflate the mandrels until the concrete is solid, then pull the capsule out.
Details:
? Diameter: 0.3m to 2.2m.
? Effective length: 6m to 24m.
? Total length: 7m to 40m.
? Custom design and sizes are also available upon your request.
Properties:
Properties of rubber inflatable rubber mandrel
Properties
Results
Hardness (Shore A)
65 ± 5
Adhesive tension of rubber and fabric
≥ 8 N/25mm
Tensile strength
≥ 12 Mpa
Elongation at break
≥ 350%
300% stretch set length
6 Mpa
Stress for deformation ratio
≤ 20%
Suitable temperature
-10°C ~80°C
Appearance
No cracks, no bubbles on the surface. The deformation is not more than 2mm.
Specification
Size
Thickness
Size
Thickness
Size
Thickness
Φ180mm
6mm - 20mm
Φ400mm
10mm - 40mm
350 × 530/540mm
10mm - 40mm
Φ200mm
10mm - 20mm
Φ500mm
10mm - 40mm
320 × 520/540mm
10mm - 40mm
Φ240mm
15mm - 40mm
Φ600mm
10mm - 40mm
350/360 × 560mm
10mm - 40mm
Φ300mm
15mm - 40mm
Φ620mm
10mm - 40mm
360 × 640/650mm
10mm - 40mm
Φ350mm
10mm - 40mm
Φ700mm
10mm - 40mm
350 × 520/550mm
10mm - 40mm
Mounted inflatable rubber mandrel before concreting.
Inflatable rubber mandrels form cavities after concreting.
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