| No. | Item | Value |
| 1 | Thickness of resin layer on top of intermediate tire base (mm) ≥ | 0.4 |
| 2 | Tensile properties | Maximum tensile strength (N/cm) ≥ | 250 |
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| Tensile strength(Mpa) ≥ | - |
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| Elongation at maximum tension (%)≥ | 15 |
| Elongation at break (%) ≥ | - |
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| 3 | Heat treatment dimensional change rate (%)≤ | 0.5 |
| 4 | Low Temperature Bendability | -25℃ no crack |
| 5 | Impermeability | 0.3Mpa, impermeable for 2h |
| 6 | Impact resistance | 0.5kg.m, no water seepage |
| 7 | Resistant to static loads | 20kg No water seepage |
| 8 | Seam peeling strength (N/cm) ≥ | 3 |
| 9 | Right angle tear strength (N/cm) ≥ | - |
|
| 10 | Trapezoidal tear strength (N) ≥ | 250 |
| 11 | Water absorption (70℃, 168h) (%) | After immersion ≤ | 4 |
|
| After cooling ≥ | -0.4 |
| 12 | Heat aging (80 °C) | Timing | 672h |
| Aspect | No blistering, cracking, delamination, bonding or holes |
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| Maximum Tension Retention (%) ≥ | 85 |
| Tensile strength retention (%) ≥ | - |
|
| Elongation retention at maximum tension (%) ≥ | 80 |
| Elongation at break retention (%) ≥ | - |
|
| Low Temperature Bendability | -20℃ no crack |
| 13 | Chemical Resistant | Aspect | No blistering, cracking, delamination, bonding or holes |
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|
Maximum tensile strength retention (%) ≥ | 85 |
|
Tensile strength retention (%) ≥ | - |
|
Elongation retention at maximum tension (%) ≥ | 80 |
|
| Elongation at break retention (%) ≥ | - |
|
| Low Temperature Bendability | -20℃ no crack |
| 14 | Artificial climate accelerates aging | Timing | 1500hb |
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|
|
|
|
|
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| Aspect | No blistering, cracking, delamination, bonding or holes |
|
|
| Maximum tensile strength retention (%) ≥ | 85 |
|
| Tensile strength retention (%) ≥ | - |
|
| Elongation retention at maximum tension (%) ≥ | 80 |
| Elongation at break retention (%) ≥ | - |
|
| Low Temperature Bendability | -20℃ no crack |