86-316-5****
Industry Park, Dacheng, Langfang, Hebei, China
Acoustic Panel, Foam Panel, Soundproof Foam
| NRC | GBJ47-83 | NRC=0.95 |
| Fire proof level | GB8624-1997 | Grade B0, B1, B2 |
| Thermal insulation | JC/T670-2005 | 0.62(m2 . k)/w |
| Damp rate | JC/T670-2005 | 0.7mm |
| Moisture rate | JC/T670-2005 | 0 . 50 % |
| Formaldehyde released | JC/T670-2005 | 0.5mg/L |
| Limits of radionuclide | GB/T6566-2001 | Ira ≤ 0.1 Ir ≤ 0.2 |
| Particulate matter | GB/T18883-2002 | ≤0. 15 mg/m3 |





