ISO 7 R.72

Barrier mat 7R

Machine tools, fans, chip extractors.

Transportation and vehicles
Motorcars, buses, trucks, contractor’s machinery, forest machinery.

Hospital care and large-scale kitchens
Dishwashing machines, air pumps.

Lifts, motor rooms, fans and ducts.

Method of use
The parts are cut or stamped to the required shape and carefully pressed on to a surface that must be free from oil, dirt, and dust.

Barrier mat 7R is a self-adhesive mat of EPDM with heavy filler. The product is flexible and easily formed.
  • Very good sound transmission loss
  • Resistant to petrol and most chemicals
  • Easy to form
  • Water repellent
  • Long service life
  • Good adhesion
  • Difficult to ignite

Sound absorption:
See PDF diagram.

Temperature resistance:
-25°C to +80°C

Fire class:


Coefficient of thermal conductivity:
Lambda = 0,036 W/m°C

Freon and PVC free.

4 mm (other thicknesses can be supplied on request)

Approx. 7 kg/m2

Delivery format:
1200x1000mm or 1500x1000mm (other sizes and shapes can be supplied on request)

The shaping and positioning of the material is of major importance to achieve an optimal sound-dampening effect.
Sontech has long experience of practical noise control projects in a wide range of industrial fields. These experiences can be a valuable addition to the laboratory data given in the datasheet. Sontech can also assist with advice and sound measurements for noise control and in the manufacture of customised material sets.

Barrier mat:

Weight kg/m2:

Exampel of
ordering code: