English   |   China   |   Japan
Home   |   About us   |   Products   |   Quality   |   Construction   |   Join us    |   Contact us
Technical Specification
Fire Test Report
Toxic Classification
Asbestos Test Report
Sound Insulation Test Report
Sound Absorption Test Report
BS476 Fire Resistance Test
SGS Physical Index test report
Moisture Absorption Rate Testing
Thermal Conductivity Testing

 
 
 
 
Quality inspection report Home ->> Quality inspection report

 

 
Acoustic insulation
Time2015/4/22 17:04:18Hits3511
 

  
 Acoustic insulation

The vermiculite is porous construed natural inorganic material, it has more than 12,000 pores per cm3. Between these special natural gap construes, there are air entrainment layers and natural air in each pore spores. The existance of natural air make it difficult for heat and sound transmission.

The porous constucture material can make the acoustic wavelength long easiler and absorb the noise in the bass range of human voice. Therefore, we can easily hear clearly in the room with vermiculite noise adsorption and sound insulation material refurbished.  
      
When the products density is 450kg/m3, thickness is 38mm, for unprocessed plain board the sound insulation is 40dB.
    

When the products density is 450kg/m3, thickness is 38mm, for unprocessed plain board the noise reduction coefficient is 0.46.

 

Contact 

Sales office: TEL+86-755-2318-7516     FAX +86-755-2698-8156-202

Email

pang@vermiculite.com.cn               hana@vermiculite.com.cn

Previous Long service life Next Heat insulation
 
Home  |  About us  |  Products  |  Quality  |  Construction  |  Join us  |  Contact us
Copyright ©2011 Hebei Vermiculite Product Co.,Ltd.ICP11006315-1