| Customization: | Available |
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| Condition: | New |
| Certification: | ISO9001, ISO |
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Inflatable mandrel inflatable rubber core module is made up of tin rubber professional design and production of a cylindrical bag can expand and contract to form a cavity in producing hollow concrete component when put it in the middle and fully compressed air after concrete setting out the bag of compressed air inflatable mandrel inflatable rubber core mold shrinkage and can extract from cavity.
Inflatable mandrel inflatable rubber core modules can be soft when it USES a simple economic durable not air any folding of shrinkage, crimp inflated with enough strength to bear the brunt of the concrete after it is unmatched by any traditional metal core model.Inflatable mandrel inflatable rubber core mould is suitable for the reinforced concrete member smoke hole pile, roof, roof plate column, beam, underground pipelines are widely used in industrial and mining foundation,railway, highway Bridges, Bridges, construction, water conservancy engineering dock, slipway, dock.
Tolerance of Thickness, mm |
3.2±0.2 |
Hardness(Shore A) |
65±5 |
Tensile strength, Mpa |
≥12 |
Elongation at break, % |
≥350 |
Production Process
The production process of rubber inflated culvert balloon is divided into two types: cold bonding process and hot pressing vulcanization process.
| Round φ220 mm × 8.5 m | |
| Round φ260 mm × 10.5 m | |
| Round φ360 mm × 14 m | |
| Round φ390 mm × 14 m | |
| Round φ520 mm × 17 m | |
| Octagonal φ360 mm × 760 mm | Reducer φ360 mm × 600 mm × 11 m |
| Octagonal φ460 mm × 760 mm | Reducer φ460 mm × 600 mm × 14 m |
| Octagonal φ560 mm × 760 mm | Reducer φ560 mm × 600 mm × 17 m |
| Octagonal φ710 mm × 760 mm | Reducer φ710 mm × 600 mm × 21 m |
| Octagonal φ560 mm × 780 mm × 17 m | |
| Octagonal φ710 mm × 800 mm × 21 m | |
| Octagonal φ460 mm × 550 mm × 14 m | |
| Oval φ360 mm × 520 mm × 17 m | |
| Oval φ360 mm × 480 mm × 14 m | |
Requirements for the rubber inflated culvert balloon for hollow core precast beams:
Hengshui Jingtong Rubber Co., Ltd., is an experienced and professional manufacturer of construction engineering products. It is located in Hengshui City, Hebei Province, China.
We have 5 workshops, covers an area of 98000 square meters. We have whole sets of production lines. Our team has 20 technicians ,more than 200 workers and 10 sales..
Our products are widely used in domestic markets and important projects. These years, our products having been exported to many countries and received good reputation. Such as Malaysia, Kenya, Uganda, USA, Australia etc.
We see "quality, integrity and good service" as the basis for developing of a factory. We have rigid quality control system from raw material choosing to manufacturing and delivery. What's more, our products have passed ISO and GB inspection. If you are still in anxiety, we can also provide the third party reports of more than 3000 projects in domestic.
1.When can I get the quotation?
A:We usually quote within 24 hours after we get your inquiry.
2.How long can I expect to get the sample?
A:The samples will be ready for delivery in 5-10days. The samples will be sent to you via express and arrive in 5-7days.
3.How long is the delivery time
A:Usually 10-15 days, depending on the quantity purchased.
4.How can I get a sample to check your quality?
A:After negotiating the price, we will provide you with samples for testing.
5.What's payment term?
A:T/T, L/C at sight, Western Union, Paypal, Moneygram
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