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NO. | BASE | PY | G | |||
TYPE | I | II | I | II | ||
1 | Soluble content g/m2≥ | 2mm | - | 1300 | ||
3mm | 2100 | |||||
4mm | 2900 | |||||
2 | impermeability | pressure.Mpa≥ | 0.3 | 0.2 | 0.3 | |
Keeping time.min | 30 | |||||
3 | Heat resistance,℃ | 90 | 105 | 90 | 105 | |
No slipping,no flowing,no dripping | ||||||
4 | Cold flexibility,℃ | -20 | -25 | -20 | -25 |
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