Cov ntaub ntawv txheej txheem | |||
Ntiag tug | Ib yam | Tus nqi | Txoj kev xeem |
Qhov ntsuas kub ntau | ° C | (-50 - 110) | GB / T 17794-1999 |
Ntov ntau | Kg / m3 | 45-65kg / m3 | ASTM D1667 |
DEJ VAPOR PERMEELILITY | Kg / (mspa) | I≤0.91 × 10-¹³ | DIN 52 615 BS 4370 NTU 2 1973 |
μ | - | ≥10000 | |
Thermal conductivity | W / (mk) | I≤0.030 (-20 ° C) | ASTM C 518 |
I≤0.032 (0 ° C) | |||
I≤0.036 (40 ° C) | |||
Kev Ntsuas Hluav Taws | - | Chav Kawm 0 & Chav 1 | BS 476 Tshooj 6 Ntu 7 |
Nplaim taws kis thiab cov pa luam yeeb |
| 25/50 | ASTM E 84 |
Cov Oxygen Index |
| ≥36 | GB / T 2406, ISO4589 |
Dej nqus,% los ntawm ntim | % | 20% | ASTM C 209 |
Dimension stability |
| Medicited 15 | ASTM C534 |
Fungi tsis kam | - | Zoo | ASTM 21 |
Ozone Kuj | Zoo | GB / T 7762-1987 | |
Kuj rau UV thiab Huab cua | Zoo | ASTM G23 |
• Txhim kho lub zog ua haujlwm ntawm lub tsev
• Txo cov kev xa tawm ntawm sab nrauv lub suab rau sab hauv ntawm lub tsev
• Siv lub suab reverberides hauv lub tsev
• Ua kom muaj zog ua haujlwm
• Ua kom lub tsev ua kom sov nyob rau lub caij ntuj no thiab txias dua rau lub caij ntuj sov