| Customization: | Available |
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| After-sales Service: | Technical Guidance |
| Application: | Construction |
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| Physical properties | Test methods | SBR | High tensile neoprene rubber | Natural rubber |
| Water absorption 2 days at 70°C (% change) | ASTM D-471 | 5% (max) | 5% (max) | 5% (max) |
| Hardness shore A | ASTM D-2240 | 65 | 65 | 65 |
| Tensile strength | ASTM D- 412 | 3000 psi (min) | 2500 psi (min) | 3500 psi (min) |
| Tensile strength at 300% Modulus | ASTM D-412 | 1150 psi (min) | 1150 psi (min) | 1450 psi (min) |
| Ultimate elongation | ASTM D-412 | 450% (min) | 450% (min) | 500% (min) |
| Compression set 22 hours at 70°C (% original deflection) | ASTM D-395 | 30% (max) | 40% (max) | 30% (max) |
| Accelerated aging 96 hours at 70°C (% of tensile strength before aging) | ASTM D-573 | 80% (min) | 80% (min) | 80% (min) |
| Accelerated aging 96 hours at 70°C (% of elongation before aging) | ASTM D-573 | 80% (min) | 80% (min) | 80% (min) |
| Ozone resistance 7 days at 50 PPHM at 70°C, 20% elongation | ASTM D-1149 | No crack | No crack | No crack |
| Type | Plan drawing | L | L1 | L2 | L3 | T1 | Thickness of steel plate |
| SEWST-1 | 350 mm | 40 mm | 39 mm | 38 mm | 20 mm | 0.8 mm | |
| SEWST-2 | 350 mm | 40 mm | - | - | 30 mm | 0.8 mm | |
| SEWST-3 | 350 mm | 40 mm | 40 mm | 35 mm | 30 mm | 0.8 mm | |
| SEWST-4 | 350 mm | 40 mm | 39 mm | 38 mm | 30 mm | 0.8 mm | |
| SEWST-5 | 350 mm or 450 mm | 40 mm | 39 mm | 38 mm | 30 mm | 0.8 mm | |
| SEWST-6 | 350 mm | 40 mm | - | - | 20 mm | 0.8 mm |
| Physical properties | B standard | C standard | |
| Hardness shore A | 60 ± 5 | 60 ± 5 | |
| Tensile strength | 2175 psi (min) | 1740 psi (min) | |
| Ultimate elongation | 380% (min) | 380% (min) | |
| Permanent compression set 24 hours at 70°C | 35% (max) | 35% (max) | |
| Permanent compression set 168 hours at 23°C | 20% (max) | 20% (max) | |
| Brittle temperature | -45°C (max) | -45°C (max) | |
| Tear strength | 30 kN/m (min) | 25 kN/m (min) | |
| Galvanized steel plate and rubber adhesive (Mpa) R type damage | 6 (min) | 6 (min) | |
| Ozone aging, 50 PPMM, 20%, 48 hours | 2 level | 2 level | |
| Hot-air aging | Hardness changes (shore A) | 8 (max) | 8 (max) |
| Tensile strength | 12 (min) | 12 (min) | |
| Elongation at break | 300% (min) | 300% (min) | |
Hengshui Jingtong Rubber Co., Ltd., located in Hebei Province's Hengshui City, is a professional manufacturer of engineering rubber products. Our product range includes bridge bearings, expansion joints, water stop strips, water stop belts, inflatable cores, building deformation joint device and water plugs, which are widely used in bridge, tunnel, water conservancy, and power engineering projects. The company boasts advanced technology and mature processes to ensure reliable product quality.
We have a professional technical team and a comprehensive after-sales service system to ensure customers receive high-cost-performance products and attentive service. Hengshui Jingtong Rubber Co., Ltd. is committed to continuous innovation to meet market demands and looks forward to establishing long-term cooperative relationships with customers from both domestic and international markets.
Q1. What is your terms of packing?
A: Generally, we pack our goods in Blank Cartons. We privode carton LOGO print service after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before after receive the copy of B/L. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: We accept FOB,CIF,CNF,DDP,DDU,LC.etc
Q4. How about your delivery time?
A: Generally, it will take 7 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.
Q6. What is your sample policy?
A: We can supply the sample for free, client only need to pay the delivery cost.
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