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Rubber corner bead,Safe Road
1. Black rubber with yellow reflective film, it is very beautiful and easily catch the attention of the drivers in unclear day or night. 2. Rubber is good material to protect vehicle and constructions because of its softness. 3. Installation is easy, and the production is durable.
Test Parameter | Test Method | Specification | Test result Min Max |
Shore Hardness °Shore A | ASTM D2240 | 80 | 72 76 |
Tensile strength, in MPa, min | ASTM D412 | 10.3 | 15 18 |
Elongation, @Break % min | 150 | 325 444 | |
Compression Set, % @70°C/ 22 hours | ASTM D395 Method B | 20% | 11% 19% |
Ozone Resistance 25hrs / 50 pphm Ozone / 40°C | ASTM D1149 | No Cracks | No Cracks |
Oxygen Bomb (96 hrs. in Oxygen @ 70°C/300 psi ) | ASTM D572 |
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1) Retention of Tensile Strength, % | 60% | 82.9% | |
2) Retention of Elongation, % | 60% | 95% |
Rubber corner bead