| Usage: | Industrial |
|---|---|
| Material: | Neoprene |
| Materials: | Natural or Neoprene Rubber, and High Strength Synt |
| Process: | Extrusion, Vulcanization |
| Application: | Culvert or Small Bridge Formwork Making |
| Function: | Inflatable Rubber Molding |
| Customization: |
|---|
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Audited Supplier China expandable rubber mandrel for formwork making
It is cylinder airbag, that can expand and shrink, used to form concrete component of formwork.
Application:
culvert and small bridge concrete pipe making, reinforced concrete members, bridge construction, irrigation works and tunnels, dam, beam making, roof board column, building, water conservancy projects etc.
Diameter:
0.2m--3m
Length:
1m--28m
Shape:
round, rectangle, octagon, hexagpm, trapezoidal shape etc.
Operating Pressure:
| diameter/mm | inflation pressure/mpa |
| 80 | 0.12 |
| 120 | 0.10 |
| 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 |
| 800 | 0.02 |
| 900 | 0.015 |
| 1000 | 0.015 |
| item | index |
| thickness tolerance, mm | 3.2±2 |
| shore A | 65±5 |
| adhesive strengh N/25MM | ≥8 |
| tensile strength, mpa | ≥12 |
| elongation at break % | ≥350 |
| 300% constant elongation,mpa | 6 |
| stretching deformation rate | ≤20% |
| suitable temperature,ºC | -10-+80 |
| appearance | no crack, no bubble, impurity length≤3mm depth≤1.5mm and no more than one place each meter |
Feature:
-inflatable / pneumatic
-reusable for more than 80 times, at careful storage and usage
-economy and easy cooperation
Manufacture:
process: extrusion and vulcanization
specification and design can be customized.
Packaing:
in rolls, with plastic bag and in wooden pallets
Hengshui Jingtong Rubber Co., Ltd.
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.
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Audited Supplier 
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