WISA-Phon N

Description

WISA-Phon N is a birch plywood sandwich panel with good sound-absorbing properties. It is intended for use in the transportation industry (bus and train floors etc.) where sound-absorbing features are needed.

Properties

  • Good sound reduction properties
  • Good strength and stiffness properties
  • Easy to machine

End-uses

  • Railway coaches
  • Bus floors
  • Stage/theatre floors

Bonding

Phenolic resin cross-bonded weather resistant glueing according to EN 314-2 class 3
exterior. Urea Formaldehyde resin cross-bonded interior glueing according to EN 314-2 class 1
interior.

Surface

Uncoated birch faces or dark brown phenolic film coated.

Airborne sound insulation

Index Rw 35

Panel sizes

Standard panel sizes: 1200/1220/1250/1500/1525 x 2400/2440/2500/3000/3050 mm
Other sizes upon request.

Thicknesses and weights

Thicknesses and tolerances fulfils the requirements of EN 315 (Plywood – Tolerances for dimensions) and are in part stricter. Other thicknesses on request.

Thickness (mm) Weight (kg/m2)
16 16.5
21 21.0

The rubber layer thickness is 3 mm.
Other panel thicknesses available upon request.

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