P.B. TECHBUD produces sound absorbing sawdust concrete elements for six types of ACOUSTIC BAFFLES


Sound absorbing sawdust concrete acoustic baffles characteristics:
- TECHNICAL APPROVAL IBDiM No AT/98-03-0477 including changes
- HYGIENIC CERTIFICATE PZH - No 741/95
- Baffle acoustic insulation testing
- Baffle acoustic insulation testing
- Baffle screening efficiency testing
- Reverberated sound absorption coefficient testing
- Freeze resistance testing for 150 cycles (F 150)
- PROTECTIVE LAW - Sound absorbing sawdust concrete slab CS-50-OT No 58436 RP Patent Office
- PROTECTIVE LAW - Sound absorbing sawdust concrete hollow brick CS-24-1-30-T No 5827 RP Patent Office
- Protective Law Patent Claim - Sound absorbing sawdust concrete hollow brick CS-24-1-30 No W-111042 at RP Patent Office
- Protective Law Patent Claim - Sound absorbing sawdust concrete slab CS-100-OT No W-112087 at RP Patent Office
- Protective Law Patent Claim - Acoustc Baffle type VI No W-112179