BS 476-7 PDF

Purpose of test. To determine the performance of a product when it is subjected to the conditions of the test specified in BS Part 7: BS Fire Tests on Building Materials and Structures Part 7. Method of Test to Determine the Classification of the Surface Spread of Flame of Products. Fire retardant Type test of surface spread of flame at Exova Warrington, United Kingdom meeting British Standard by BSI Group.

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Brandschutztechnische Pruefungen an Baustoffen und Bauten. Terminate the test when the flame front reaches the mm reference 47-7, or after 10 min has elapsed, whichever is the shorter.

Limit for one specimen in sample mm. Accept and continue Learn more about the cookies we use and how to change your settings. Fire Tests on Building materials and structures — Method of test to determine the classification of the surface spread of flame of products. Extinguish the pilot flame 1 min after the start of the test.

Non-combustibility test for materials. Limit for one specimen in sample.

BS 476-7:1997

The faster, easier way to work with standards. This website is best viewed with 47-7 version bw up to Microsoft Internet Explorer 8 or Firefox 3. Please download Chrome or Firefox or view our browser tips. Method for assessing the heat emission from building materials. Method of test to determine the classification of the surface spread of flame of products.

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BS Fire Test to Building Material – Surface flame_Ecosafene

Fire tests on building materials and structures. Method of test for fire propagation for products. Surface spread of flame, Classification systems, Testing conditions, Radiation, Calibration, Specimen preparation, Test equipment, Construction materials, Fire tests, Structural fire protection, Fire-test classifications, Construction systems parts, Design, Ceilings, Dimensions, Bbs specimens, Fire safety in buildings, Walls, Flame-spread classifications.

Method of test for ignitability of products by direct flame impingement. Method of Test for Bz. Fire Test to Building Material — Surface flame. Repeat the procedures given in a to f above for each of the remaining specimen constructions. Customers who bought this product also bought BS Your basket is empty.

Analyses d’incendie sur des materiaux et structures de construction. Similar Articles Building Material. Find Similar Items This product falls into the 4766-7 categories. Click to learn more.

Spread of flame at 1. Verfahren zur Klassifizierung der Flammenausbreitungsgeschwindigkeit an der Erzeugnisoberflaeche. This Part of BS specifies a method of test for measuring the lateral spread of flame along the surface of a specimen of a product orientated in the vertical position under opposed flow conditions, and a classification system based on the rate and extent of the spread of flame.

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Methode d’analyse de determination de la classification de la surface de propagation de la flame sur les produits Title in German Brandschutztechnische Pruefungen an Baustoffen und Bauten. Swing the specimen holder into its standby position and remove the remains of the specimen construction.

Standard Number BS Take the smart route to manage medical device compliance. Classification and method of test for external fire exposure to roofs.

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Within 5 s swing the specimen holder and specimen into the test position, and immediately start the timing mechanism, i. Final Spread of flame. Exceeding the limits for class 3. You may experience issues viewing this site in Internet Explorer 9, 10 or It provides data suitable for comparing the end-use performances of essentially flat materials, composites or assemblies, which are used primarily as the exposed surfaces of walls or ceilings.