| Customization: | Available |
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| After-sales Service: | Provide |
| Certification: | ISO |
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The Nanchang Jubo Rubber Waterstop is an essential solution for controlling water infiltration in concrete structures. Engineered from high-quality rubber, this waterstop exhibits exceptional flexibility and durability, ensuring a reliable seal in various environmental conditions.
Designed to accommodate movement and shifting in construction joints, our rubber waterstop effectively prevents leaks in foundations, retaining walls, and other critical structures. Its unique composition resists degradation from chemicals, UV exposure, and extreme temperatures, making it ideal for both indoor and outdoor applications.
Available in various sizes and configurations, the Nanchang Jubo Rubber Waterstop is easy to install and compatible with a wide range of concrete mixes. Trust in our product to provide long-lasting, effective waterproofing solutions for your construction projects.
| Physical properties | Test methods | Minimum value |
| Water absorption | ASTM D-570 | 15% - 20% |
| Tear resistance | ASTM D-624 | 300 psi |
| Specific gravity | ASTM D-792 | 1.38 ± 0.05 |
| Hardness shore A15 | ASTM D-2240 | 79 ± 3 |
| Tensile strength | ASTM D-638 Type IV | 2000 psi |
| Ultimate elongation | ASTM D-638 Type IV | 360% |
| 100% modulus | ASTM D-638 Type IV | 725 psi |
| Low temperature brittleness (Tb) °F (°C) | ASTM D-746 | -35 (-37) passed |
| Stiffness in Flexure | ASTM D-747 | 600 psi |
| Ozone Resistance | ASTM D-1149 | No Failure |
| Accelerated Extraction, CRD-572 | ||
| Tensile | CDR - C- 572 | 1850 psi |
| Elongation | CDR - C- 572 | 350% |
| Effect of Alkali, CRD-572 | ||
| Weight Change | CRD-572 | 0.0015 |
| Change in Hardness Shore A | ASTM D-2240 | ± 5 points |
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No.
|
Item
|
Index
|
|||
|
B
|
|||||
|
1
|
Hardness (shore A)
|
60 ± 5
|
|||
|
2
|
Tensile strength, MPa ≥
|
15
|
|||
|
3
|
Elongation of break, % ≥
|
380
|
|||
|
4
|
Compression set
|
70ºC×24 h,% ≤
|
35
|
||
|
23ºC×168 h, % ≤
|
20
|
||||
|
5
|
Tear strength 21, kN/m ≥
|
30
|
|||
|
6
|
Brittleness, ºC ≤
|
-45
|
|||
|
7
|
Hot
air aging |
70ºC×168 h
|
Hardness (shore A), ≤
|
+8
|
|
|
Tensile strength, MPa ≥
|
12
|
||||
|
Elongation of break, % ≥
|
300
|
||||
|
100ºC×168 h
|
Hardness (shore A), ≤
|
--
|
|||
|
Tensile strength, MPa ≥
|
|||||
|
Elongation of break, % ≥
|
|||||
|
8
|
Ozone testing 50 PHM: 20%, 48 h
|
2 grade
|
|||
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