BS EN ISO 1182:2020 pdf free.Reaction to fire tests for products -Non-combustibility test.
BS EN ISO 1182 The furnace tube shall be fitted in the centre of a surround made of insulating material 150 mm in height and of 10 mm wall thickness, and fitted with top and bottom plates recessed internally to locate the ends of the furnace tube. The annular space between the tubes shall be filled with a suitable insulating material.NOTE 1 An example of a typical furnace tube design is given in B.2.An open-ended cone-shaped airflow stabilizer shall be attached to the underside of the furnace. The stabilizer shall be 500 mm in length, and reduce uniformly from 75土1 mm internal diameter at the top to 10土0,5 mm at the bottom. The stabilizer shall be manufactured from 1 mm-thick sheet steel, with a smooth finish on the inside. The joint between the stabilizer and the furnace shall be a close, airtight fit, with a smooth finish internally. The upper half of the stabilizer shall be insulated externally with a suitable insulating material.NOTE2 An example of suitable insulating material is given in B.3.Draught shield, made of the same material as the stabilizer cone, and provided at the top of the furnace. It shall be 50 mm high and have an internal diameter of (75士1) mm. The draught shield and its joint with the top of the furnace shall have a smooth finish internally, and the exterior shall be insulated with a suitable insulating material.NOTE An example of suitable insulating material is given in B.4.Stand, firm and horizontal, on which the assembly of the furnace, stabilizer cone and draught shield are mounted. There shall be a base and draught screen attached to the stand to reduce draughts around the bottom of the stabilizer cone. The draught screen shall be 550 mm high and the bottom of the
stabilizer cone shall be 250 mm above the base plate.BS EN ISO 1182 pdf download.