Smoke leakage (S): Failure of the criterion shall have happened if the movement fee in duct A during the test exceeds 10 m³ / (m² h), associated with 20 °C and 1013 mbar, connected with the internal surface space of the duct In the furnace. Clarification: Conduction is the transfer https://fire-rated-insulation-for24556.vidublog.com/35869767/facts-about-fire-rated-insulation-for-ductworth-revealed