Complaint
| Item | Index | |
| Ultimate compressive strength Ru(Mpa) | ≥70 | |
| Compressive modulus of elasticity E (Mpa) | E±E×20% | |
| Elasticity of shear modulus G1(Mpa) | G±G×15% | |
| Elasticity of shear modulus after aging G2(Mpa) | G±G×15% | |
| Found angle tangent tanθ | Concrete Bridge | ≥1/300 |
| Steel Bridge | ≥1/500 | |
| Found PTFE plate and stainless steel surface friction coefficient (grease) | ≤0.03 | |
| Technical index | Neoprene Rubber | Natural Rubber | |
| Hardness (IRHD) | 60±5 | 60±5 | |
| Strength Tensile (Mpa) | ≥17 | ≥18 | |
| Elongation at break (%) | ≥400 | ≥450 | |
| Brittleness temperature (ºC) | ≤40 | ≤-50 | |
| Constant compression permanent deformation | ≤15 | ≤30 | |
| Resistance to ozone aging test (test conditions,20% elongation,40ºC×96h) | 100ppmm | 25ppmm | |
| No cracking | No cracking | ||
| Hot air aging test (The biggest change comparing with before aging numerical) | Test conditions (ºC×h) | 100×70 | 70×168 |
| Strength Tensile (%) | -15 | -15 | |
| Elongation at break(%) | -40 | -20 | |
| Variation in hardness(IRHD) | 0,+10 | -5,+10 | |
| Strength of rubber and steel Peel adhesive (KN/m) | >10 | >10 | |
| Strength of four fluorine plate and rubber (KN/m) | >7 | >7 | |
