ORSTECH 65 H

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Slab ORSTECH 65 H is certificated as the insulation for fire resistant ductwork according to EN 1366-1, for fire resistance of 30, 45 and 60 minutes, fire outside. It shall be installed in compliance with Classification protocol (available upon request). Maximum service temperature: 620°C. The thickness of the slab with facing must be designed to keep the maximum temperature on the facing side below 100°C. Reaction to fire: A2, s1, d0 (ORSTECH 65 H). Hydrophobized.

Declared value of the thermal conductivity coefficient λD according to EN ISO 13787
°C 50 100 150 200 250 300 400 500 600
Wm-1K-1 0,041 0,048 0,058 0,069 0,083 0,100 0,142 0,196 0,264
Measured value of the thermal conductivity coefficient according to EN 12667
°C 50 100 150 200 250 300 400 500 600
Wm-1K-1 0,040 0,046 0,054 0,064 0,076 0,091 0,128 0,175 0,232

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