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Fire testing according to BS 5852

BS 5852:2006 - Methods of test for assessment of the ignitability of upholstered seating by smoldering and flaming ignition sources.

Purpose

The standard is used to assess the ignitability of material combinations, such as covers and fillings used in upholstered seating, when subjected to a smouldering cigarette and a match flame equivalent as ignition source.

In United Kingdom all items of upholstered furniture for public use shall meet the requirements in BS 7176.  This document specifies which technical fire methods to be used for a furniture or its components, the requirements, labelling and how often the tests should be performed.

Method

The tests are performed in a test cabinet with a calibrated air flow. The cover fabric and the filling are put in a test rig to create a small sofa with a 90º angle between seat and back. The ignition sources are located in the junction between seat and back. There are six different ignition sources, numbered 2-7. ignition sources 2-3 are gas flames and ignition sources 4-7 are wooden cribs (the higher number the larger gas flame/crib).

During the gas flame tests the test assembly is not allowed to smoulder for more than 30 minutes from the start of the test (60 minutes for wooden cribs). The test assembly is not allowed to show evidence of charring more than 100 mm in any direction apart from upwards from the ignition source. The gas flames are removed after 40 seconds (ignition source 2) or 70 seconds (ignition source 3). No flaming is allowed to continue for more than 120 seconds after removal of the burner tube. No flaming is allowed to continue for more than 10 minutes after start of the test with ignition source 5 (13 minutes with ignition source 6-7).

Deliveries

A test report, in Swedish or English, is delivered with the test results after testing.

Order

Before testing we ask you to complete the ”Order Specification form” and send this together with your order. Also attach product and safety data sheets when possible.

Order Specification Form (pdf, 311.97 KB)


Service

Fire testing according to BS 5852

Delivery level

Accredited

Standards

Related standards:

  • EN 1021-1
  • EN 1021-2

Similar standards:

  • BS 5852: Part 2

Price

Price on tender

Preparations

Material needed for testing:

Complete test with 1 ignition source:
  • Cover/interliner/wadding, 3 pieces with the dimensions 1100 x 650 mm.
  • Filling, 3 pieces with the dimensions 450 x 450 x 75 mm.
  • Filling, 3 pieces with the dimensions 450 x 300 x 75 mm.

The thickness of 75 mm regards the filling together with any wadding.

If the filling differs between the seat, back, armrests, etc. all fillings must be tested seperately.

Test of a complete furniture:

3 sets of the finished furniture as in end-use. 

Anna Bergstrand

Contact person

Anna Bergstrand

Enhetschef

+46 10 516 58 54

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Henrik Fredriksson

Contact person

Henrik Fredriksson

Projektledare

+46 10 516 57 03

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