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Firetc Fire Test Center

Powercenter, No.301 Jiahe Road,,Xiamen,Fujian,China

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عضو مجاني

BS 476-7/BS476-7 surface flammability test to building material

China

BS 476-7

1 / Unit أحصل على آخر سعر

Britain

1 per Unit

1 Unit

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Other

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الاتصال الآن

مواصفات المنتج

Fire-Retardant : Surface Burning Characteristics

الوصف

BS 476-7/BS476-7  surface flammability test to building material

 

British Standard BS 476-7 surface flammability test   to Building Material.

 

BS 476-7 surface flammability test to Building Material – Standard

BS 476-7: Fire Tests on Building materials and structures – Method of test to determine the classification of the surface spread of flame of products

 

BS 476-7 surface flammability test to Building Material – Test Procedure

 

Ignite the pilot flame.

Remove a specimen construction, including any backing boards, spacers and filler pieces, from the conditioning atmosphere, and within 5 min insert it into the specimen holder in its standby position at 90Ê or more from the test position.

Within 5 s swing the specimen holder and specimen into the test position, and immediately start the timing mechanism, i.e. start the test.

Extinguish the pilot flame 1 min after the start of the test.

Terminate the test when the flame front reaches the 825 mm reference line, or after 10 min has elapsed, whichever is the shorter.

Swing the specimen holder into its standby position and remove the remains of the specimen construction. Clean any debris from the holder.

Repeat the procedures given in a) to f) above for each of the remaining specimen constructions.


BS 476-7 surface flammability test to Building Material – Brief

This Part of BS 476 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. 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.

BS 476-7 surface flammability test to Building Material – Reference Standard

> BS 476:Fire tests on building materials and structures

> BS 476-3:Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs

> BS 476-4:Fire tests on building materials and structures - Part 4: Non-combustibility test for materials

> BS 476-5:Fire Tests on Building Materials and Structures Part 5: Method of Test for Ignitability

> BS 476-6:Fire tests on building materials and structures - Part 6: Method of test for fire propagation for products

> BS 476-7:Fire Tests on Building Materials and Structures - Part 7: Method of Test to Determine the Classification of the Surface Spread of Flame of Products

> BS 476-11:Fire tests on building materials and structures - Part 11: Method for assessing the heat emission from building materials

> BS 476-12:Fire tests on building materials and structures - Part 12: Method of test for ignitability of products by direct flame impingement

> BS 476-13:Fire Tests on Building Materials and Structures - Part 13: Method of Measuring the Ignitability of Products Subjected to Thermal Irradiance

> BS 476-15:Fire Tests on Building Materials and Structures - Part 15: Method of Measuring the Rate of Heat Release of Products

> 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)

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الشخص الذي يمكن الاتصال به:Mr. Gong

الشركة:Firetc Fire Test Center

عنوان:Powercenter, No.301 Jiahe Road,, Xiamen, Fujian, China,364012

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