PART IIIU.K.
Ignitability test for latex rubber foam.
1. The foam shall be tested in accordance with the method set out in BS 5852: Part 2 using cover fabric corresponding to the specification set out in paragraph 2 below.U.K.
[F12. The fabric shall be made of 100 per cent flame retardant polyester fibre.U.K.
The construction of the fabric shall be woven to a plain weave.
The yarn in the warp shall be spun to a linear density of 37 tex plus or minus 10 per cent.
The yarn in the weft shall be spun to a linear density of 100 tex plus or minus 10 per cent.
The fabric shall be scoured and heat set.
The fabric shall be woven so as to have a finished fabric construction of—
20.5 plus or minus 1 yarn threads per centimetre in the warp and
12.5 plus or minus 1 yarn threads per centimetre in the weft.
Its mass shall be 220 grammes per square metre plus or minus 5 per cent.]
Textual Amendments
F1Sch. 1 Pt. 3 para. 2 substituted (1.10.2010) by The Furniture and Furnishings (Fire) (Safety) (Amendment) Regulations 2010 (S.I. 2010/2205), regs. 1, 2(2)
3. The foam under test cut to the specified dimensions is placed on the test rig, covered with the fabric specified in paragraph 2 above and tensioned with clips as set out in BS 5852: Part 2. The test is then carried out using ignition source 2 as specified therein.U.K.
4. If smouldering or flaming failure against the criteria of clause 4 of BS 5852: Part 2 does not occur, the latex rubber foam passes the ignitability test.U.K.