| Indicator: | WF 4 mm |
| Thickness, mm : | 4.0 ± 0.2мм |
| Weight of 1 m², kg, not less : | 6,4 |
| Foil thickness, mN : | 100 |
| Size of sheet, m : | 0,5х0,7 m |
| Number of pieces / m2 : | 10/3,5m2 |
| Mechanical loss coefficient at 200 Hz, standard units : | 0.60 |
| The bond strength of material with metal surface while peeling N / cm ², not less : | 6 |
| The stability of the adhesive polymer layer to the effect of temperature 90º C during the period of 24 hours |
Peeling is not allowed
|
| The bond strength of siliconized paper with the adhesive polymer layer N / cm ² | 0.05-0.15 |
| Flammability (rate of combustion, mm / min, not more) | Not flammable, self-extinguishing (100) |