Product Overview: Spread of Flame Test Apparatus (ISO 5658-2 / ASTM E1321) This spread of flame test apparatus is engineered to assess the fire reaction performance of construction and transport materials. It conducts both horizontal and vertical flame spread tests, records ignition and extinguishment times at preset intervals, automatically calculates flame spread rate, and collects key thermal data including ignition heat, continuous burning heat, critical heat flux and
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