| FLAP PHYSICAL PERFORMANCE AND INDEX | GRADE | TEST ITEM | UNIT | SPECIFICATION | 9.00R20 | 10.00R20 | 11.00R20 | 12.00R20 | TYPICAL VALUE | TYPICAL VALUE | TYPICAL VALUE | TYPICAL VALUE | C | Weight | g | 2450±5% | 2450±5% | 2970±5% | 2970±5% | C | Width | mm | 210±5 | 210±5 | 230±5 | 230±5 | C | Inner thickness≤ | mm | 520±5 | 520±5 | 520±5 | 520±5 | M | Edge thickness | mm | 0.8 | 0.8 | 0.8 | 0.8 | M | Middle thickness≥ | mm | 6.0±1 | 6.0±1 | 7.0±0.5 | 7.0±0.5 | M | Tension strength | Mpa | 8 | 8 | 8 | 8 | M | Tension extension rate≥ | % | 360 | 360 | 360 | 360 | M | Hardness | Shore A | 60±5 | 60±5 | 60±5 | 60±5 |
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