| Customization: | Available |
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| After-sales Service: | Quality |
| Warranty: | 12months |
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Rubber Bridge Expansion Joint
Rubber bridge expansion joint have a framework, bolted assembly segments, each 1m (other sizes can be made), and the junction with the deed mouth-groove. Internal stiffening plate to make such joint can withstand the load of various vehicles, with some vertical stiffness. Since rubber incompressibility, rubber plate specially shaped groove prevents telescopic joints swell up when compressed.
Normal Specifications Bridge Expansion Joint
30 Type 1000 × 230 × 35,45 Type 1000 × 250 × 45, 50 Type 1000 × 270 × 42,60 Type 1000 × 400 × 40 etc. When Rubber bridge expansion joint is installed, the bottom surface of the bolt holes and joints per meter are filling adhesive coated, waterproof good. This product is anti-aging, wear rubber processing, can withstand repeated loads of vehicles, long service life for selection when they build new bridge.
| model | movement | length | thickness | width | weight |
| 50 | 50mm | 1750mm | 35mm | 240mm |
25 Kg |
| 150 | 38mm | 1750 mm | 35mm | 240mm | 28 Kg |
| 200 | 50 mm | 1830mm | 40mm | 274mm | 45 Kg |
| 250 | 65 mm | 1830mm | 46mm | 356mm | 62 Kg |
| 300 | 80 mm | 1830mm | 54mm | 432mm | 88 Kg |
| 400 | 102 mm | 1830mm | 54mm | 590mm | 150 Kg |
| 650 | 165 mm | 1830mm | 75mm | 724mm | 260 Kg |
| 900 | 230 mm | 1830mm | 93mm | 890mm | 375 Kg |
| 1300 | 330 mm | 1220mm | 127mm | 1207mm | 438 Kg |
| [Any types of rubber expansion joint can produce. Special drawing of rubber expasnion joint can be acceptable! |
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| Rubber bridge expansion joint Properties |
Neoprene ( -25ºC~ 60ºC) |
Natural ( -35ºC~ 60ºC) |
Neoprene ( -40ºC~ 60ºC) |
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| Hardness (IRHD) | 60±5 | 60±5 | 60±5 | |
| Tensile Strength (Mpa) | >=15 | >=16 | >=14 | |
| Elongation at break (%) | >= 400 | >= 400 | >= 350 | |
| Brittleness temperature (ºC) | <=-40 | <=-50 | <=-60 | |
| Compression set constant (Room temperature×24h) | <=20 | <=20 | <=20 | |
| Resistant Ozone aging (25~ 50pphm) 20% Elongation 40ºC×96h |
No cracks | No cracks | No cracks | |
| Hot air aging (Compared with previous unaged value occurred biggest change ) | Test conditions (ºC×h) | 70ºC×96h | 70ºC×96h | 70ºC×96h |
| Tensile Strength (%) | ±15 | ±15 | ±10 | |
| Elongation at break (%) | ±25 | ±25 | ±20 | |
| Hardness change(IRHD) | 0~+10 | -5~+10 | 0~+10 | |
| Salt water(23ºC×14d, %Concentration) | Volume Change (%) | <=+10 | <=+10 | <=+10 |
| Hardness Change(IRHD) | <=+10 | <=+10 | <=+10 | |
| Rubber and steel bonding peel strength(kN/m) | >7 | >7 | >7 | |
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oil resistance(No.1 Standard Oil, 23ºC×168h)
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Volume Change (%) | -5~+10 | <+45 | <+45 |
| Hardness Change(IRHD) | -10~+5 | <-25 | <-25 | |
Hengshui Jingtong Engineering Rubber Co., Ltd. is a professional manufacturer of rubber products which are used in road and bridge, tunnel, water conservancy, electric power, railway, etc.
1. Hengshui Jingtong Engineering Rubber Co.,Ltd. is located in Hengshui City development Zone, covering an area of 98000 square meters, construction area of 45000 square meters, with more than 20 professional senior technical personnel.
2. There are 10 series, over 200 species and more than 2,000 specifications. Our main series include rubber water-stop series, rubber pipe plugs, and bridge rubber bearing series, etc.
3. Our engineering rubber products include: rubber waterproof stops, plate type bridge rubber bearings, pot type bridge rubber pneumatic molds/Gasbag inner molds, bridge expansion joints, rubber pipe bulges, etc.
All products have been authenticated by the Ministry of Communications, the Ministry of Railway and the Ministry of Water Conservancy, and have been authenticated with International Quality System Certificate.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Hengshui Jingtong Engineering Rubber, your best choice!
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