vailable for sale at MML Marine. Door blade manufactured from 2mm stainless steel door skins filled with superwool insulation. Contact a member of staff today." />
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A-fire rated doors and walls are tested with a normal ISO standard fire temperature curve. H-fire rated items are tested with a Hydrocarbon fire curve. The exact difference is the temperature during the testing procedure, H-fire ratd doors and walls are tested at higher temperatures in a longer time period.
The fire doors and fire walls shall maintain its function with respect to fire resistance and structural integrity when exposed to a heat load characteristic for cellulosic (A-fire rating) or hydrocarbon (H-fire rating) fire.
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