QINGDAO BLESS INDUSTRY AND TRADE CO.,LTD: Qingdao, Shandong, China; Main products: culvert balloon, rubber speed hump, rubber corner guard, rubber wheelstopper, road safety reflector

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pneumatic tubular form culvert balloon,inflated rubber air bag used for making concrete culvert

FOB Price

USD $100 - $1000 / Piece

1 Piece(Min.Order)

Port Qingdao
Payment TermsT/T
Delivery Detail5 days

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Product Details

Brand Name	BLESS		Place of Origin	China
Model Number	dia600

Product Description

PNEUMATIC TUBULAR FORM

Pneumatic tubular form is used for making concrete pre-casting formwork projects in culvert bridge construction.

Material:

Pneumatic tubular form is made from natural rubber and fabric. In general, it is formed by three layers(1+2=2layers of rubber and 1 layer fabric): inner layer is high strength synthetic polymer fabric withstanding the force from concrete and air pressure. Outer layer is vulcanized rubber. Rubber hardness is about 65Shore A to keep its excellent features, such as soft, durable, wear-resistance.

If your concrete slab is thicker, it should be manufactured in 2layers of fabric and 3layers of rubber(2+3).

Standard specification

1- diameter from 0.2m to 3m,(round)

2- total length from 1m to 28m(round)

3- other specifications are also available according to clients’ request.

Technical Parameters

Items	Index
Thickness, mm	3.2±0.2(1+2) 5.0±0.2(2+3)
Hardness(Shore A)	65±5
Adhesive tension of rubber and fabric,N/25mm	≥8
Tensile strength, M pa	≥12
Elongation at break, %	≥350
300% Stretch set length, M Pa	6
Stretch for deformation ratio	≤20 %(Prevent distortion)
Suitable temperature,°C	-10~80
Appearance	No 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.

Working Pressure

Diameter(mm)	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

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QINGDAO BLESS INDUSTRY AND TRADE CO.,LTD: Contact nameEric
Chat Now; AddressLicang, Qingdao, Shandong

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Product Categories

culvert balloon	ship launching and landing air bag	waterstop	guardrail delineator
rubber corner guard	rubber speed hump	rubber wheelstopper

pneumatic tubular form culvert balloon,inflated rubber air bag used for making concrete culvert

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