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1、資料由上海標(biāo)檢產(chǎn)品檢測(cè)有限公司提先生英國(guó)軟體家具阻燃測(cè)試解析BS 5852版本辨析一般說(shuō)的5852有下列幾個(gè)版本1. BS 5852-19792. BS 5852-19823. BS 5852-1990 (老版本,被BS 5852-2006取代)3. BS 5852-20064. UK Furniture and Furnishings (Fire)(Safety) Regulations(AMD 1989, 1993 and 2010)*英國(guó)家具(防火)(安全)條例1988(1989, 1993和2010修訂版)我們常說(shuō)的5852其實(shí)指的是英國(guó)衆(zhòng)具防火安全條例,它具

2、體分為幾下幾個(gè)部分:1 Schedule 1 Part 1-lgnitability test for polyurethane foam in slab or cushion form.第一節(jié)第一部分塊狀聚氣酯海綿可燃性測(cè)試2 Schedule 1 Part Il-Ignitability test for polyurethane foam in crumb form.第一節(jié)第二部分碎狀聚氨酯的可燃性測(cè)試3 Schedule 1 Part Ill-Ignitability test for latex rubber foam.第一節(jié)第三部分乳膠棉的可燃性測(cè)試4 Schedule 2 Par

3、t IIgnitability test for non-foam filling materials singly.第二節(jié)第一部分.單一非海綿填充物可燃性測(cè)試5 Schedule 2 Part Il-Ignitability test for composite fillings for furniture other than mattresses, bed-bases, cushion and pillows.第二節(jié)第二部分-非床墊、床底架、墊子和枕頭家具復(fù)合填充物測(cè)試6 Schedule 2 Part Ill-Composite test for ignitability of pil

4、lows and cushions with primary covers第二節(jié)第三部分.有覆蓋物的枕頭和墊子的可燃性測(cè)試7 Schedule 2 Part IV-Ignitability test for composite fillings of mattresses and bed-bases.第二節(jié)第四部分-床墊、床底架復(fù)合境充物可燃性測(cè)試8 Schedule 3-Ignition resistance for interliner.第三節(jié)識(shí)料的阻燃測(cè)試9 Schedule 4 Part I-Cigarette test for visible parts.第四節(jié)第一部分可見(jiàn)部分的香煙

5、測(cè)試10 Schedule 4 Part II-Cigarette test for invisible parts.第四節(jié)第二部分隱藏部分的香煙測(cè)試11 Schedule 5 Part I-Match test for visible parts.第五節(jié)第一部分可見(jiàn)部分的火柴測(cè)試12 Schedule 5 Part II-Match test for stretch covers.第五節(jié)第二部分.彈力覆蓋料的火柴測(cè)試13 Schedule 5 Part Ill-Match test for invisible parts of covers.第五節(jié)第三部分 覆蓋如料中隱藏部分的測(cè)試詳細(xì)講述依

6、次為英國(guó)家具防火安全條例TBS 5852:1979TBS 5852:1982-BS 5852:2006英國(guó)家具防火安全條例詳解如下UK Furniture and Furnishings (Fire)(Safet、)Regulations(AMD 1989, 1993 and 2010)英國(guó)家具(防火)(安全)條例1988( 1989. 1993和2010修訂版)1 APPLICATION AND LIMITATION應(yīng)用和局限The purpose of this test guide is to provide guideline for specifying the requiremen

7、ts for the fire resistance for domestic upholstered furniture, furnishings and other products containing upholstery 本測(cè)試指南是對(duì)家用家具、家居以及襯墊產(chǎn)品的防火要求的使用進(jìn)行指導(dǎo)。2 REFERENCE參考標(biāo)準(zhǔn)BS 5651: 1989; BS 5852-1: 1979; BS 5852-2: 1982; BS 6807: 19863 EQUIPMENT AND REAGENT 設(shè)備和試劑3.1 Test Rig (Refer to BS 5852: Part 2)測(cè)試架(見(jiàn)B

8、S5852 第二部分)3.2 Weighting Balance (Resolution: 2g)電子秤(最小刻度2g)3.3 Auto Pipette移液管3.4 Pine Crib (Source 5)木架(5號(hào)火源)3.5 Propan-2-ol 畀丙醇3.6 Stop Watch 秒表3.7 100% Flame Retardant Fabric 100% 防火血料規(guī)格如下:紗線纖維細(xì)度(dtex)紗線線密度(tex)捻佝及捻度(T/m)密度(threads/cm)經(jīng)紗1.637 ±3.7Z捻,42020.5 ± 1緯紗3.3100±10Z捻,55012.

9、5±1The fabric finish shall be scoured and heat set. Its mass shall be 220g/m2±5% 面料將經(jīng)過(guò)洗滌和熱處理,克重為220g/m2±5%o3.8 Non Fire-Retardant Polyurethane Foam不阻燃聚氨酯海綿BS 3379觀定的B型海綿,決度為130;密度為2O22kg/ml3.9 Fire-Retardant Polyurethane Foam阻燃聚氯.裁海綿 通過(guò)第一章第一部分的燃燒妥求,密度為2426kg/n?.4 SAMPLE PREPARATION樣品準(zhǔn)

10、備4.1 Atmosphere for conditioning and testing平 術(shù)和測(cè)試環(huán) 境妥求All test specimen materials (except composite fillings of mattresses and bed-bases) should be conditioned immediately before the test for 72hr in indoor ambient conditions and then for at least 16hr at 20 ± 5°C and 50 ± 20% RH For

11、 testing, a substantially draught-free environment having a temperature of 15 30°C and a relative humidity of 20-70% shall be used.所有的測(cè)試樣品(床墊和床底架的組合填充物除外)先在室內(nèi)環(huán)境放置72小時(shí),然后在混度 為20±5'C,濕度為50±20%的環(huán)境中平街至少16小時(shí).測(cè)試環(huán)境要求空氣充分流通,溫度 為 153O°C,濕度為20-70%.For composite fillings of mattresses a

12、nd bed-bases (Schedule 2 Part IV). the specimens should be conditioned for at least 16hr at 23 ± 2aC and 50 ± 5% RH. And the test should be carried out in 1O-3O0C and 15-80%RH.對(duì)于床墊和床底架的組合填充物,在溫度為23±2°C,濕度為50 + 5%的環(huán)境中平衡至少16 小時(shí).測(cè)試環(huán)境要求空氣充分流通,溫度為10-30*C,沒(méi)度為15-80%.4.2 Water Soaking Pr

13、ocedure 水洗程序For interlinen visible parts and stretch cover (Schedule 3. Schedule 4 Part L Schedule 5 Part I and II) only, any covering fabric or firebarrier fabric which has been treated with a fire-retardant to reduce the ignitability of upholstery, before it is conditioned prior to testing, should

14、 be subjected to water soaking procedure:"Using a liquor ratio of 1:20. completely immerse each specimen in water (160 ± 20 mg/L hardness)containing 0.5g/L of non-ionic wetting agent in the flat-bottomed dish at an initial temperature 40±l°C Ensure the specimen remains completely

15、 immersed. After 30 minutes, remove the specimen, rinse in water using a liquor ratio of 1:20 for 2minutes9 and then dry the specimen by any method suitable for the fabric type."對(duì)于里料、可見(jiàn)的部分、彈力也料(第三章、第四章第一部分、第五章第一和第二部分), 任何血料或加入阻燃刑以降低可燃性;在測(cè)試以及平衡前,必須經(jīng)過(guò)水洗程序:在水洗槽工 用浴比1: 20的溶液,完全浸泡每一個(gè)樣品,水的復(fù)度為160±

16、;20mg/L.并加入0.5g/L的非離 子潤(rùn)濕劑,是始溫度為40±I°C,保持樣板完全浸泡在液體中,30分鐘后,拿出樣坂,用同樣 的溶液浸洗2分鐘,然后采用適合此血料的方式干燥。5 PERFORMANCE REQUIREMENTS FOR RESISTANCE TO IGNITION 阻燃的性能要求5.1 Schedule 1 Part I Ignitability test for polyurethane foam in slab or cushion form. 塊狀聚氨陌海綿可燃性測(cè)試The foam under test, cut to the specifie

17、d dimensions, one 450±5mni x 450±5mm x 75±2mni thick and the other 45O±5mm x 3OO±5mm x 75±2mm thick, is placed on the test rig (Clause 3.1 )9 covered with the fabric specified in Clause 3.7 and tensioned with the clips as set out in BS5852: Part 2. An ignition source 5

18、crib is placed in position. The mass of the complete assembly is determined (initial mass). The test should be carried out in accordance with BS 5852: Part 2. Flaming or smouldering failure should be determined against the criteria of clause 4 of BS 5852: Part 2.After flaming and smouldering has cea

19、sed, any debris which has become detached from the specimen should be removed. The remaining mass of the assembly (final mass) is then recorded by the weighting balance (Clause 3.2).If smouldering or flaming failure against the criteria of clause 4 of BS5852: Part 2 has occurred but only by way of d

20、amage exceeding the limits defined in clause 4.1(e), 4.1(f) and 4.2(f) and provide that the resultant mass loss(initial mass less final mass) is less than 60g the foam passes the ignitability test.海綿測(cè)試規(guī)定的尺寸為,一塊450±5mm x 450±5mm x 75±2mm厚度,另一塊450±5mm x 3OO±5mm x 75±2mm厚度

21、.安我在測(cè)試架上(見(jiàn)3.1),用3.7中規(guī)定的面料覆JL,并如BS5852 第二部分中,用夾子夾緊,放置5號(hào)火源木架,稱童整個(gè)莪疋的重童(初始重童).明火和陰燃不通過(guò)的準(zhǔn)則見(jiàn)BS5852第2部分第4節(jié)的要求.明火和陰燃停止后,任何與樣品分離的殘?jiān)鼘⒈灰瞥?,稱量整個(gè)我譽(yù)的重童并記錄. 假如陰燃或明火燃燒不符合BS5852第二部分第4節(jié)的規(guī)定,但僅僅是不符合4.1(c),4.1(f)和 4.2的妥求,同吋質(zhì)童損失小于60g,則通過(guò)可燃性測(cè)試.5.2 Schedule 1 Part II Ignitability test for polyurethane fojm in crumb fo門n 碎狀

22、聚氨酯的可燃性測(cè)試The lest rig (Clause 3.1) panels are lined with the fabric specified in Clause 3.7. Sufficient crumb foam shall be placed upon the seat and back panels so that the cover fabric piece is placed over them, both are stuffed to the density used in the furniture as intended Then the test is carr

23、ied out in accordance with BS5852 Part 2 using ignition source 2.If smouldering or flaming failure against the criteria of clause 4 of BS5852: Part 2 has not occurred or has occurred only by way of damage exceeding the limits defined in clause 4.1(c), 4(f) and 4.2(f), the crumb foam passes the ignit

24、ability test.測(cè)試架包覆的fr料與3.7中的ir料一樣.在坐墊部分和背部都疲入足夠的碎狀海綿并用面料 覆蓋,使其達(dá)到該產(chǎn)品要求的密度,然后按照BS5852第2部分的2號(hào)火源進(jìn)行測(cè)試.假如陰燃或明火燃燒不符合BS5852第二部分第4節(jié)的規(guī)定,但僅僅是不符合4.1(c),4.1(f)和 4.2(f)的妥求,則碎狀海綿通過(guò)可燃性測(cè)試.5.3 Schedule 1 Part III Ignitability lest for latex rubber fbam 乳膠扌洛 6勺 可燃扌生測(cè) 試The foam under test cut to the specified dimension

25、s is placed on the test rig (Clause 3.1), covered with the fabric (Clause 3.7) and tensioned with clips as set out in BS5852: Part 2. The test is then carried out using ignition source 2.If smouldering or flaming failure (same as criteria show in clause 5.2) against the criteria does not occur, the

26、latex rubber foam passes the ignitability test.將妥測(cè)試的海綿切割成規(guī)定的尺寸,安茨在測(cè)試架上(3.1),用動(dòng)料蓋住(3.7),并按照 BS5852第二部分的妥求用夾子夾緊,然后用2號(hào)火源進(jìn)行測(cè)試.如呆未發(fā)生陰燃或明火燃燒失敗的現(xiàn)象(與5.2的準(zhǔn)則相同),則乳膠棉通過(guò)可燃性測(cè)試.5.4 Schedule 2 Part I Ignitability test for nonfoam filling materials singly.單一非海綿境充物町燃性測(cè)試The filling material to be tested and the speci

27、fied cover fabric (Clause 3.7) should be tested with source 2 as specified in BS 5852: Part 2. It should be packed as Schedule 1 Part II if the filling material is loose.If smouldering or flaming failure against the criteria of clause 4 of BS5852: Part 2 (same as criteria show in clause 5.2) has not

28、 occurred or has occurred only by way of damage exceeding the limits defined in clause 4.1(c), 4(f) and 4.2(f). the non-foam filling passes the ignitability test. 填充物和規(guī)定的也料妥按照BS5852第2部分的2號(hào)火源進(jìn)行測(cè)試.如果是散狀,將按照第1節(jié) 第二部分安莪.假如陰燃或明火燃燒不符合BS5852第二部分第4節(jié)的規(guī)定,但是僅僅出現(xiàn)了不符合41(c), 4.1(f)和4.2(f)的妥求,則非海綿類填充物通過(guò)可燃性測(cè)試.5.5 Sc

29、hedule 2 Part II Ignitability test For composite fillings for furniture other than matlresses. bcdbascs, cushion and pillows.非床墊、床底架、墊子和枕頭的家具組合填充物測(cè)試 The composite fillings, covered with the primary cover (Clause 3.7) are built up on the test rig (Clause 3.1). The test procedure with the use of ignit

30、ion source 2 and the criteria of failure should be specified in clause 4 of BS5852 Part 2 (same as criteria show in clause 5.2).將組合填充物和規(guī)定的対料安裝在測(cè)試架上,使用2號(hào)火源,評(píng)判標(biāo)準(zhǔn)見(jiàn)BS5852第2部分第 四節(jié)(與5.2相同).5.6 Schedule 2 Pa" III Composite test for nitabilily of pillows and cushions with primary covers.有覆蓋物的枕頭和墊子的可燃性測(cè)

31、試For pillows the test specimen shall comprise the filling and the primary cover of the pillow. Where the filling is of a loose nature the specimen shall be prepared as set out for loose fillings in paragraph 3 in Part II of Schedule 1 The test procedure using ignition source 2 shall be as specified

32、in BS 5852: Part 2. If smouldering or flaming failure against the criteria of clause 4 of BS 5852: Part 2 (same as criteria show in clause 5.2) has not occurred or has occurred only by way of damage exceeding the limits defined in clause 4(l)(e), 4( 1)(0 and 4(2)(f), the composite pillow filling pas

33、ses the ignitability test.對(duì)于枕頭,測(cè)試樣品應(yīng)該包扌*坑充物和覆蓋物.如果塢充物是松散狀的,按照第1章第2部分 第三段的觀定準(zhǔn)備樣板,測(cè)試程序按熙BS5852第2部分的2號(hào)火源進(jìn)行測(cè)試。假如陰燃或明 火燃燒不符合BS5852第二部分第4節(jié)的規(guī)定,但是僅僅出現(xiàn)了不符合4.1(c), 4.1(f)和4.2(f) 的妥求,則枕頭組合填充物通過(guò)可燃性測(cè)試。For cushions with primary covers the test specimen shall be made up of filling, the primary cover and standard f

34、abric as in Schedule 1 Part L paragraph 2. Where the filling is loose, it shall be packed as set out in Schedule 1 Part IL paragraph 3. The lest procedure using ignition source 2 shall be as specified in BS 5852: Part 2. If smouldering or flaming failure against the criteria of clause 4 of BS 5852:

35、Part 2 (same as criteria show in clause 5.2) has not occurred or has occurred only by way of damage exceeding the limits defined in clause 4(1 )(e), 4(1 )(f) and 4(2)(f) the composite cushion filling passes the ignitability test.對(duì)于有覆蓋物的坐墊,測(cè)試樣板由坑充物、覆蓋物和第1章第I部分規(guī)定的標(biāo)準(zhǔn)廚料組成.如 果填充物是松散狀的,按照第1節(jié)第2部分第三段的規(guī)定準(zhǔn)備樣品

36、,測(cè)試程序按照BS5852第2 部分的2號(hào)火源進(jìn)行測(cè)試.假如陰燃或明火燃燒不符合BS5852第二部分第4節(jié)的觀定,但是儀 僅出現(xiàn)了不符合4.1(e),4.1(f)和4.2(f)的要求,則墊于組金坑充物通過(guò)可燃性測(cè)試.5.7 Schedule 2 Part IV Ignitability test for composite fillings of mattresses and bed-bases 床墊、床屁架組合填充物可燃性測(cè)試The test specimen should be prepared as set out in BS6807 The specified test fabric

37、(Clause 3.7) should be used as cover fabric, which should be fitted so as to reproduce the tension in the original article. The test should be carried out according to BS6807 using ignition source 2 as specified in BS5852: Part 2. Flaming or smouldering failure should be determined.測(cè)試樣板按照BS6807規(guī)定準(zhǔn)備樣

38、板.現(xiàn)定的測(cè)試面料(3.7)作為復(fù)蓋血料,使之有張力.根 據(jù)BS6807使用BS5852第2部分指定的2號(hào)火源進(jìn)行測(cè)試,確定明火或.陰燃失敗情況.5.8 Schedule 3 nilion resistance for intcilincr 里*卜的 阻燃測(cè) 試The specimen should be subjected to water-soaking procedure (clause 4.2) before it is conditioned. Then, it should be tested using cover fabric (Clause 3.7) and non fire

39、-retardant polyurethane foam (Clause 3.8). The test should be conducted using ignition 5 (Clause 3.4).樣品平衡前須經(jīng)過(guò)水洗程序(4.2),然后將樣品和覆蓋血料(3.7)和非防火PU海綿(3.8) 安鼓成指定形狀,用5號(hào)火源進(jìn)行測(cè)試(3.4).5.9 Schedule 4 Part I Charette test for visible parts. 可見(jiàn)部分的香煙測(cè)試Any covering fabric or fire-barrier material which has been trea

40、ted with a fire-retardant chemical to reduce the ignitability of the upholstery shalk before it is conditioned in accordance with clause 7of B.S 5852: Part L be subjected to the water-soiiking procedure (clause 4.2) before it is conditioned The smouldering cigarette test should be conducted as in cl

41、ause 9 of BS5852: Part I. Separate tests should be conducted in respect of each back, seat or arms of the upholstery if each the materials are not the same.任何覆蓋更料或經(jīng)過(guò)阻燃化學(xué)處理以減少可燃性的殂燃材料,在根據(jù)BS5852第一部分7.1 平衡之萌,須經(jīng)過(guò)水洗過(guò)程(4.2) 香煙陰燃測(cè)試按照BS5852第一部分第9節(jié)進(jìn)行.如果后 背、坐墊和把手原料不同,則需妥做單獨(dú)測(cè)試.50 Schedule 4 Part II Ciaarcltc t

42、est for invisible parts.隱裁部分的香煙測(cè)試The cigarette test for invisible parts of covers should be conducted in the way set out in Schedule 4 Part I except that those parts need not be subjected to the water soaking procedure The filling material (Clause 3.9) is used The criteria of failure shall be those

43、specified in clause 9 of BS 5852: Part 1.香煙測(cè)試按照Schedule4 Part I中規(guī)定的進(jìn)行測(cè)試,不需妥進(jìn)行水水洗.坑充海綿為阻燃海綿 (3.9).判定失敗的規(guī)則見(jiàn)BS5852:第1部分第9節(jié).51 Schedule 5 Part I Match test for visible parts. 可見(jiàn)部分的火柴測(cè)試The specimen should be subjected to water-soaking procedure set out in clauses 4.2 before it is conditioned The test sho

44、uld be carried out in accordance with clause 9 of BS5852: Part 1 which relate to butane flame ignition source I and the filling material (Clause 3.8) is applied.任何復(fù)蓋旬料或經(jīng)過(guò)阻燃化學(xué)處理以減少可燃性的殂燃材料在根據(jù)BS5852第一部分7平 術(shù)之前,須水洗(4.2).用BS5852第一部分第9節(jié)指定的丁烷明火火源1進(jìn)行測(cè)試.52 Schedule 5 Part II Match lest for stretch covers 彈力覆

45、蓋対料的 火柴測(cè)試The test for stretch covers should be conducted in the same way as for as Schedule 5 Part I except that the filling material (Clause 3.9) should be used The criteria of failure shall he those specified in clause 9 of BS5852: Part I.彈力血料的測(cè)試與Schedule 5 Piul啲方法相同.填充夠耍求見(jiàn)3.9節(jié).失敗的標(biāo)準(zhǔn)在BS5852: 第1部分第

46、9節(jié)中有所規(guī)定.53 Schedule 5 Part III Match tesl for invisible parts of covers 覆蓋 fj#卜中 隱藏部分6勺測(cè)試 The test should be carried out as clause 9 of BS5852 Pari 1 using butane ilamc ignition source 1 The filling material (Clause 3.9) is used. The criteria of failure shall be those specified in clause 9 of BS 585

47、2: Part 1.測(cè)試按照BS5852:第1部分第9節(jié)進(jìn)行,火源1是丁烷明火。境充物見(jiàn)3.9節(jié).失敗的評(píng)判標(biāo)準(zhǔn) 見(jiàn)BS 5852:第1部分第9節(jié).BS 5852-1979 &BS 5852-1982 詳解引言此標(biāo)準(zhǔn)的目的是檢測(cè)軟墊座椅組合(eg包覆材料Cowr和填充物Filling)的可鰹性.1火源07號(hào)熱量范囤從一支香煙到接近四借標(biāo)準(zhǔn)大小報(bào)紙燃燒所釋放的熱童。具體要求見(jiàn)下表:火源備注0號(hào):陰燃香煙長(zhǎng)度:約68mm直徑:約8mm童量:約g陰燃速率:12.0±3.0min/50mm測(cè)試時(shí),香煙點(diǎn)燃長(zhǎng)度為58mm; 測(cè)試位苣與最近邊緣或上次位苣的 距離不小于50mm.1號(hào):丁烷

48、火焰氣體流童:25 °C時(shí)45±2mL/min20°C 時(shí) 44±2mL/min 火焰高度:約35mm 燃燒時(shí)間:20±ls嘖火管外徑為8±0mm,內(nèi)徑為 6.5±0.1mm,長(zhǎng)度為200±5nimo it 接氣體和噴火管的軟管內(nèi)徑為 7.0±10mm,長(zhǎng)度253Om。丁烷 氣體輸出壓力約為28mbar(2.8kPa) 測(cè)試時(shí),1號(hào)火源需至少穩(wěn)定2min, 測(cè)試位疋與最近邊緣或上次位程的 距離不小于50mm; 2號(hào)和3號(hào)火源 需至少穩(wěn)定4min,測(cè)試位直與最近 邊緣或上次位總的距離不小于 lOOinnio

49、2號(hào):丁烷火焰氣體流童:25 °C 時(shí) 160±5mL/min 20°C 吋 157±5mL/min 火焰高度:約145mm燃燒時(shí)間:40±ls3號(hào):丁烷火焰氣體流童:25°C 吋350±10mL/min 20°C 時(shí)344±10mL/min 火焰離度:約240mm 燃燒時(shí)同:70+ls4號(hào):木架各木架參數(shù)見(jiàn)標(biāo)準(zhǔn)BS 5852: Part 2:1982, page 6木架底部織物加1.4±0mL的并丙 醇;放直時(shí),與測(cè)試紐合的背部接 觸,底部木條與背部平行。5號(hào):木架6號(hào):木架7號(hào):木架2儀器主

50、妥的測(cè)試儀器為測(cè)試架,其規(guī)格有大小兩種,規(guī)格參數(shù)如下:尺寸備注背部:450±2x300±2mm;底部450±2xl500±2nun0-1號(hào)火源背部:450±2x450±2mm;底部45O±2x3OO±2mm27號(hào)火源3 調(diào)濕和測(cè)試環(huán)境3.1調(diào)濕環(huán)境樣品和香煙需妥在測(cè)試前72小時(shí)放于室內(nèi),至少在溫度2O±5C, R.H.為50±20%的環(huán)境下調(diào) 濕16小吋。3.2測(cè)試環(huán)境測(cè)試環(huán)境溫度為1030°C, R.H.為2070%,空氣流速為0.020.2m/s4 27號(hào)火源失敗準(zhǔn)則(Ref.:

51、Clause4of BS 5852: Part 2: 1982)4.1陰燃失敗(a) for sources 2 and 3: any composite that produces externally detectable amounts of smoke, heat or glowing 30 min after removal of the burner tube;對(duì)于2號(hào)和3號(hào)火源:噴火管移開(kāi)30分鐘后,任何測(cè)試俎合產(chǎn)生大童外部可察覺(jué)到的 煙、熱或光;(b) for sources 4, 5. 6 and 7: any composite that produces external

52、ly detectable amounts of smoke, heat or glowing 60 min after ignition of the crib;對(duì)于4號(hào)、5號(hào)、6號(hào)和7號(hào)明火火源:木架燃燒60分鐘后,任何測(cè)試組合產(chǎn)生大童外 部可察黨到的煙、熱或光;(c) any composite that displays escalating combustion behaviour so that it is unsafe to continue the test and requires forcible extinction;任何測(cè)試組合顯示擴(kuò)大燃燒越勢(shì)以致繼續(xù)測(cè)試不安全需妥撲滅

53、;(d) any composite that smoulders until it is essentially consumed within the test duration relevant to the source;莊測(cè)試持續(xù)的時(shí)問(wèn)內(nèi),任何測(cè)試組合陰燃至燒光;(e) any composite that smoulders to the extremities of the specimen viz upper or lower margins, either side or to its full thickness, within the duration of the te

54、st;在測(cè)試持續(xù)的時(shí)間內(nèi),任何測(cè)試組合陰燃至樣品邊緣,即上下邊緣,任一側(cè)邊,或 樣品整個(gè)厚度;(f) any composite that, on final examination, shows evidence of charring other than discoloration, more than 100 mm in any direction apart from upwards from the nearest part of the original position of the source最終檢查時(shí),任何測(cè)試組合,其炭化非變色部分,在任意方向(上方除外)上,距 火源初始

55、位富最近處的長(zhǎng)度大于100mm.4.2 明火失敗(a) for sources 2 and 3: any composite that continues to flame for more than 120 s after removal of the burner tube;對(duì)于2芳和3于火源:噴火管移開(kāi)120秒后,任何測(cè)試組合燃燒時(shí)呵尢于12U秒;(b) for sources 4 and 5: any composite that continues to flame for more than 10 min after ignition of the crib;對(duì)于4號(hào)和5號(hào)火源:木

56、架點(diǎn)燃后,任何測(cè)試俎合燃燒時(shí)間大于10分鐘;(c) for sources 6 and 7: any composite that continues to flame for more than 13 min after ignition of the crib;對(duì)于6號(hào)和7號(hào)火源:木架點(diǎn)燃后,任何測(cè)試俎合燃燒吋問(wèn)大于13分鐘;(d) any composite that displays escalating combustion behaviour so that it is unsafe to continue the test and forcible extinction is r

57、equired;任何測(cè)試組合顯示擴(kuò)大燃燒趨勢(shì)以致繼續(xù)測(cè)試不安全需要撲滅;(e) any composite that burns until it is essentially consumed within the test duration relevant to the source:在測(cè)試特續(xù)的葉間內(nèi),任何測(cè)試組合燃燒至燒光;(f) any composite on which any flame front reaches the lower margin, either side or passes through the full thickness of the specime

58、n within the duration of the test.在測(cè)試持續(xù)的葉間內(nèi),對(duì)任何測(cè)試組合,火垢尖端燃燒至樣品的下邊緣,任一創(chuàng)邊, 或樣品整個(gè)厚度.5 0 號(hào)火源失敗準(zhǔn)則(Ref? Clause 9 ofBS 5852: Parti: 19795.1陰燃失敗Progressive smouldering of the components is observed at any time within a period of one hour of the placement of the cigarette;香煙放于測(cè)試俎合上后的一個(gè)小時(shí)內(nèi)任何時(shí)問(wèn)觀察到陰燃現(xiàn)象;5.2明火失敗Fl

59、aming of the components is observed at any time within a period of one hour of the placement of the cigarette香煙放于測(cè)試俎合上后的一個(gè)小吋內(nèi)任何時(shí)間觀察到明火現(xiàn)象。6 1 號(hào)火源失敗準(zhǔn)則(Ref.: Clause 9 of BS 5852: Parti: 1979)6.1陰燃失敗Progressive smouldering of the components is observed after 120 seconds of the removal of the burner tube;噴火管(火源)移開(kāi)120s后觀察到陰燃現(xiàn)象;6.2明火失敗Flaming of the components is observed after 120 seconds of the removal of the burner tube. 噴火管(火源)移開(kāi)120s后觀察到明火現(xiàn)象.BS 5852-1979詳解1. 應(yīng)用和局限 Applicati

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