BS 476-20: Fire tests on building materials and structures-Part 20: Method for determination of the fire resistance of elements of construction (general principles)

BS 476-20 Test method, test the weight, integrity and heat insulation of the sample within a specified time under high temperature and high pressure conditions under exposure. -- -- -- < a href = "http://www.globalgd.com/" > < strong > engineering machinery CE certification < / strong > < / a > < / span > < / p >

BS 476-20:1987 mainly focuses on the following aspects :

1. Fire resistance

2. Thermal insulation and integrity corresponding to carrying capacity

3. Heat insulation

4. Integrity

BS 476-20:1987 Applicable fire test time :

30 minutes

60 minutes

90 minutes

120 minutes

150 minutes

180 minutes

、、、、、、

BS 476 Relevant reference standards

BS 476: Fire tests on building materials and structures.

BS 476: Fire Tests on Building Materials and structures

BS 476-3:2004 external fire exposure roof test

BS 476-3:2004 Fire tests for outdoor roofs

BS 476-4:1970 Non-combustibility test for materials

BS 476-4:1970 Non-flammability test of materials

BS 476-5:1979 Method of test of ignitability

BS 476-5:1979 Flammability test

BS476-6:1989 Method of test for propagation for materials

BS476-6:1989 Test method for fire spread of products

BS 476-7:1997 Surface spread of flame test for material

BS 476-7:1997 Test and classification method for the spread of fire on the surface of products

BS 476-11:1982 Method for assessing the heat emission from building materials

BS 476-11:1982 Test method for thermal radiation performance of building materials

BS 476-12:1991 Ignitability of products by direct flame impingement

BS 476-12:1991 Test method for flammability of products by direct flame impact

BS 476-15:1992 Method for measuring heat release of products-cone calorimeter

BS 476-15:1992 Product exothermic test - Cone calorimeter

BS 476-20:1987 Method for determination of the fire resistance of elements of construction (general principles)

BS 476-20:1987 Method for the determination of the fire resistance of building elements (General principles)

BS 476-21:1987 Methods for determination of the fire resistance of loadbearing elements of construction

BS 476-21:1987 Method for determination of the fire resistance of load-bearing elements

BS 476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements construction

BS 476-22:1987 Test method for fire resistance of non-load-bearing building elements