Characteristic of POAL
SOUND ABSORPTION PROPERTY
- Poal C-1 is used as the standard Poal and can be used independently by getting airspace of over 80mm or so.
- Poal B-1 can be used with fiber-glass and shows good sound absorptive property.
PROPERTIES
| Test Item | Test Method | Results |
|---|---|---|
| Weatherproof test | 2,000Hr (Equivalent to 10 years) | No abnormality observed. |
| Waterproof test | 500 hrs in running water | |
| Boiling test | After boiling for 4 hrs, dried for 20 hrs at 100 centigrade. (The process repeated twice.) *JAS Class 1 |
|
| Cold-heat test | After maintaining for 2 hrs at 80 centigrade, dried for 2 hrs at -20 centigrade. (The process repeated twice.) *JAS Class 1 |
|
| Fireproof test | 5cc of oil dropped on 10 sq. cm of the material and the material is ignited. | Because of the high heat transfer rate and contact with air, the oil burns quickly, and no melting nor deformation occurs. |
| Water holding property | Water permeability | When water is poured on the material with a hose, almost all water flows down through pores of the panel and does not penetrate into the back of the panel. Almost no water remains in the panel. |
| Water drainage | Water material dries by 80% in 2 hrs at 20 centigrade. |
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