Test Standard |
ISO6941:1984 –Textile fabrics- Burning behaviour-Measurement of flame spread properties of vertically oriented specimens |
EN 533: Method EN532Protective clothing- protection against heat and flame-Limited flame spread materials and material assemblies. |
Specimens |
560mm*170mm3 pcs in length and width direction |
200mm*160mm length and width direction |
Pretreatment |
/ |
Both original and washed sample are needed to be tested。 Washing procedure A or B : A: machine washing at75℃for 12 cycles. Or carrying out at least 5 wash cycles as the manufacturer’s maintenance instructions. B. Water soaking as per BS 5651:1978 and followed by 5 dry cleaning cycles. |
Flame |
Butane gas Flame applied time: 15s Flame height: 40±2mm |
propane gas Flame applied time 10 s Flame height:40mm |
Position of ignition source |
Position the burner perpendicular to the surface of the specimen such that the axis of the burner is20mmabove the line of the lower pins in line with the vertical centerline of the face of the specimen. The end of the burner is17mmform the face of the specimen. |
Same to ISO 6941 |
Procedure |
1. Apply the flame for 15s. 2. Measure the following times and record: (1) From the start of the application of the igniting flame to the severance of the first marker thread.(S) (2) From the start of the application of the igniting flame to the severance of the second marker thread.(S) (3) From the start of the application of the igniting flame to the severance of the third marker thread.(S) (4)afterflame time(s) (5)afterglow time(s) (6)the maximum burnt or damaged width and length. (7) whether the flame reaches a vertical edge of the specimen (8)whether or not a hole is burnt or melted in the specimen |
1.Apply the flame for 10s 2.Record: (1) Whether for any flame reaches the upper edge or either vertical edge of the test specimen (2) Whether a hole develops (3) the occurrence of flaming or molten debris (4) Whether afterglow spreads beyond the flame spread area into the undamaged area (5) afterglame time (6) afterglow time |
Pass or Fail Criteria |
New Wave Requirement: a. No specimen shall give flaming to the top or either side edge b. No specimen shall give hole formation c. No specimen shall give flaming or molten debris d. The mean value of afterflame time shall be =2s e. The mean value of afterglow time shall be =2s |
如果您有任何检测方面的疑问,请随时与我们联系,我们将根据您的商品,提供最适合您的检测服务
上海统标质量技术服务有限公司
AM (Shanghai) Testing & Services Co.,Ltd
联系人:张佳慧
手机: 13381988392 (同微信)
Fax: 021-31138310
QQ: 1312003860
注:以上差异对比以新版标准报批稿为依据,仅供参考,请以各国最终发布文件为准。