Plyguard Phon

Plyguard Phon with cork
Standard sizes, mm:
2500x1250; 2250x1250; 1950x1250; 1450x1250
Standard thicknesses, mm:
16; 18; 25; 28
Plyguard Phon with rubber
Standard sizes, mm:
Standard thicknesses, mm:
10; 15; 18; 20; 22; 25; 28
Other sizes and thickness are available on request
1/2 (В/BB), 2/2 (BB/BB), 2/3 (BB/CP), 2/4 (BB/C), 3/3 (CP/CP), 3/4 (CP/C), 4/4 (C/C)
Types of surface:
Not sanded (NS), both sides sanded (S2), overlaid with HPL
The formaldehyde emission (limit value: 3,5 mg/h х m2):
0,1-0,2 mg/h х m2


Plyguard Phon is the brand of sound-insulation fire-retardant plywood. It is a low flammable material, preventing spread of fire on the surface, having a medium smoke-generating capacity and securing a moderate emission of hazardous substance into the air when burning. Alongside with high-quality birch plywood, the structure of the panel also includes sound absorbing barrier in its central part. There are three types of core available for Plyguard Phon. They are cork, rubber and rubber-cork composite. The core can be chosen by the customer according to his needs: cork makes the boards lighter in comparison with standard plywood, while plywood with a special layer of technical rubber in the middle provides better damping of vibration and protection against noise. Plyguard Phon is compliant with Requirement R10 of EN 45545-2


Rail vehicles production
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Compliance with Requirement R10 of EN 45545-2
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All layers of veneer are impregnated with flame retardant
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Multi-purpose use – available with various overlays
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Various thicknesses of sound-absorbing materials
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Phenol-formaldehyde adhesive guarantees excellent bonding properties and high water resistance

technical parameters

Sound-absorbing barrier:



  • The panels are lighter in comparison with standard plywood
  • Good sound reduction properties (noise insulation, dB ≥32)



  • Damping of vibration
  • Protection against noise (noise insulation, dB ≥35)
  • Special recipe of fireproof rubber
  • Possible combination with cork


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