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pneumatic tubular form for making conctere hollow pipe, rubber balloon for making concrete culvert

FOB Price

USD $100 - $1000 / Piece

1 Piece(Min.Order)

Supply Ability 1000 Piece / Pieces per Month
Port Qingdao
Payment TermsT/T
Delivery Detail5 days

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Product Details

Brand Name	BLESS		Place of Origin	China
Model Number	dia900

Product Description

PNEUMATIC TUBULAR FORM

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

pneumatic tubular form for making conctere hollow pipe, rubber balloon for making concrete culvert

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.

Cross Section

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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pneumatic tubular form for making conctere hollow pipe, rubber balloon for making concrete culvert

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