русская версия  
About company News Production Equipment Certificates Prices Publications

BZM

 

main ->  production -> mats -> BZM

 

BSM RST USSR 1977-87

Mats are produced of the super fine bazalt fiber both sides coated with the fiber glass fabric (silica fabric) and are sewed by the fiber glass yarn (silica yarn)

performances

  • material with excellent thermal and sound insulation properties
  • non-inflammable, fire-resistant, fire-safe
  • ecology friendly ( do not contain phenol binder)
  • application temperature is from -269°С till +450°С (coated with fiber glass fabric)
  • service life is more than 50 years
  • resistant to chemicals, non-toxic
  • resistant to various microorganisms and rodents, do not rot
  • possess an excellent steam penetrability (do not increase the diffusion resistance of a construction)
  • possess low hygroscopicity (do not absorb moisture out of the air)
  • vibration resistant (do not ruin)

sizes

  • Length from : 500; 1000 mm; other
  • Width : 500; 1000 mm; other
  • Thickness : 30; 50; 100 mm
  • Packing : polyethylene package

sphere of application

  • Sound insulation of a machinery and premises in shipbuilding
  • Sound insulation filling in constructions and causing noise appliances.
  • Sound insulation in aircraft building, transportation system, metallurgy and chemical industries, namely, where there is a need for noise protection.
  • Sound insulation of premises.
  • Sound insulation of the acoustics studios.

technical indices

property

measure unit

quantity

Density

kg/m3

17-25

Mass moisture share

%

not more than 0,8

Thermal conductivity by t. 25°C

Wt/(m×K)

not more than 0,034

Thermal conductivity by t. 125°C

Wt/(m×K)

not more than 0,048

Thermal conductivity by t. 300°C

Wt/(m×K)

not more than 0,072

Temperature limit of use

°C

450

Normal factor of sound absorption (frequency 1000 Htz)
low-frequency
medium-frequency
high-frequency

 

 
0,1-0,5
0,5-0,8
more than 0,8

Average reverberation factor of sound absorption

 

0,4-0,9

Inflammability

 

Non inflammable

certificates

  • Marine register of Navigation: The Typical Approval Certificate №96.021.160
  • Ministry of Health of Ukraine: The Sanitary Certificate №30
  • The State Fire Prevention Office of Russia: The Fire Safety Certificate №СПБ.RU.УП001.В02051