Product Description
Product Description
Culvert Concrete Making Inflated Rubber BalloonPneumatic tubular forms can be used for the in-situ cast concrete pipes like sewerlines, drainage or for making precast elements when the tradiotional systems are not convenient or are not available.Designation:Inflatable rubber balloon, is also called pneumatic rubber mandrel, rubber air bladder, airbags, rubber core mold etc.It is used for concrete pre-casting formwork projects.Technical parameters of column formwork:1> Diameter (D): From 0.2m to 3 m.(round)2>Total Length (TL): From 1m to28m.(round)3>Other specification also available upon customer’s request. ItermsIndexthickness,mm3.2±0.2, 5.0±0.2Hardness ,Shore A65±5Adhesive tension of rubber and fabric,N/25mm≥8Tensile strength, MPA≥12Elongation at break,%≥350300% stretch set length,Mpa6Stretch for deformation ratio≤20%(prevent distortion)Suitable temperature,°C-10---80Appearance No cracks, no bubbles on the surface ,the length of impuritiestraceis not more than 3mm, the depth is not more than 1.5mm, and quantity of the trace is not more than one, the deformation is not more than 2mm.Material:It is comprised by rubber mandrel, a three-way valve and a 0.1mpa pressure gage.The rubber mandrel is formed by three layers:The inner lay is high srength synthetic polymer fabric, to withstand force skeleton and prevent the mandrel from unlimited expansion.The outside layers are vulcanized synthetic rubber. Common SpecificationsSpecial sizes, twin-tube plus coatφ180mm X 6-20mφ400mm X 10-40m350 X 530(540)mm X 10-40mφ200(φ220)mm X 10-20mφ500mm X 10-40m320 X 520(540) X 10-40mφ240(φ250)mm X 15-40mφ600mm X 10-40m350(360) X 560mm X 10-40mφ300(φ330)mm X 15-40mφ620mm X 10-40m360 X 640(650)mm X 10-40mφ350(φ360)mm X 10-40mφ700mm X 10-40m320 X 520(550)mm X 10-40m Schematic cross section for Culvert Concrete Making Inflated Rubber Balloon:It could be round, rectangle, octagon, hexagon, trapezoidal pipeline, etc. Details of inflatable rubber mandrel :Our inflatable rubber mandrel are made of an inflatable two layers rubber cylinder strengthened with fabrics. Gas mouth:Strengthened fabrics Our service about Culvert Concrete Making Inflated Rubber Balloon : 1.Professional manufacturing in inflatable rubber mandrel poducts.2.Various of rubber pipe plug,customized sizes.3.Samples of inflatable rubber mandrel are available.4.after-sale on time. Our general service about Culvert Concrete Making Inflated Rubber Balloon : 1.Your inquiry related to our products or prices will be replied in 24hours.2.Well-trained and experienced staffs to answer all your enquires in fluent English.3.Any your customized products, we can help you to design and put into production.4.Protection of your sales area, ideas of design and all your private information.5.Best quality and competitive price. Welcome your inquiry anytime, Cathy is always here!
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