Полиуретановое водонепроницаемое покрытие для защиты от воды бетонной крыши полиуретановое
1,00-1,20 $
Сохранить в закладки 1601324352710:
Item | Test condition | Test result | ||||
Appearance | Component A | visually | Brown transparent liquid | |||
Component B | visually | Brown transparent liquid | ||||
Mixed viscosity | 20℃ | 300-320mpa.s | ||||
Pot life | 20℃ | 40-50min | ||||
initial setting time | 20℃ | 3h | ||||
Hardening time | 20℃ | 48h | ||||
Use ratio | 20℃ | 10:3-4 | ||||
Item | experiment condition | experimental result | ||||
Mechanical strength (ratio 10:3) | Steel - steel tensile strength(Mpa) | Cure for 7 days | moist | 30 | ||
dry | 38 | |||||
Cure for 14 days | moist | 28 | ||||
dry | 50 | |||||
Steel-steel shear strength(Mpa | Cure for 14 days | moist | 18 | |||
dry | 25 | |||||
Cure for 14 days | moist | 20 | ||||
dry | 30 | |||||
Colloidal tensile strength(MPa) | Cure for 14 days | 35 | ||||
Cure for 28 days | 27 | |||||
elongation | Cure for 14 days | 4% | ||||
Cure for 28 days | 3% | |||||
elasticity modulus(Mpa) | Cure for 14 days | 1770 | ||||
Cure for 28 days | 1352 | |||||
Compressive strength of colloid(Mpa) | Cure for 14 days | 89 | ||||
Cure for 28 days | 78 |
Item | experiment condition | experiment condition | ||||
Mechanical strength (ratio10:4) | Steel - steel tensile strength(Mpa) | Cure for 14 days | moist | 23 | ||
Cure for 14 days | dry | 27 | ||||
Steel-steel shear strength(Mpa) | Cure for 14 days | moist | 28 | |||
Cure for 14 | dry | 40 | ||||
Compressive strength of colloid(Mpa | Cure for 14 | moist | 20 | |||
Cure for 14 | dry | 26 | ||||
Compressive strength of colloid(Mpa | Cure for 14 days | moist | 20 | |||
Cure for 14 days | dry | 27 | ||||
Colloidal tensile strength(Mpa) | Cure for 14 days | 20 | ||||
Cure for 28 days | 13 | |||||
elongation | Cure for 14 days | 8% | ||||
Cure for 28 days | 8% | |||||
elasticity modulus(Mpa) | Cure for 14 days | 446 | ||||
Cure for 28 days | 305 | |||||
Compressive strength of colloid(Mpa | Cure for 14 days | 97 | ||||
Cure for 28 day | 94 |
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