EN13823 SBI Single Burning Item Test Apparatus for Construction Products Fire Classification EN13501

I.SBI Single Burning Item Test Apparatus EN13501 and EN13823 The Single Burning Item (SBI), is a method of test for determining the reaction to fire behavior of building products (excluding floorings) when exposed to the thermal attack by a single burning item (a sand-box burner supplied with propane). The specimen is mounted on a trolley that is positioned in a frame beneath an exhaust system. The reaction of the specimen to the burner is monitored instrumentally and