ROCKWOOL LAROCK 40 ALS

Description:
Laminar hydrophobic stone wool insulation rolls of light density, made of lamellae which are adhered perpendicularly to reinforced aluminum foil; видтх 1000 mm, thicknessеs 25-120 mm.

 

Application:
LAROCK 40 ALS are used for thermal and acoustic insulation of pipe ducts, reservoirs, caldrons, air condition and ventilation insulations. The product ensures equal thickness along the whole length of the insulation.

 

Technical Parameters:

Working temperature:
at aluminum face:

up to  + 250°С
up to  100°С 
Density:

~ 40 kg/m3

Reaction to fire:

Non combustible

Thermal Conductivity λ50:

0.052 W/mК

 

 
Sound Absorption Coeficient αs
Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz
50mm 0.25 0.79 0.31 0.49 0.47 0.61
100mm 0.49 0.56 0.6 0.51 0.43 0.33