发表时间:(2015-11-13 15:16:31) 点击量:324

发表时间:(2015-11-13 15:16:31) 点击量:324
EN471是高可视性服装产品规格的欧洲标准,这个标准指出防护衣的性能,而这项性能彰显出不论是在白天或是在夜间车头灯照射之状况下,均能够显示穿着者的存在。这些要求包括材料的使用区域、色彩与回归反射材料。
EN471标准由欧洲标准化委员会(CEN)提出的,历经1996年和2003年两次重新修订,2003年9月1日起欧盟各国陆续执行实施新版标准(EN471-2003)。
标准规定了高可见度警示服装的定义,设计,品种和分类。应用于高可见度警示服装的材料的性能,范围主要是对逆反射材料和背面材料及结合材料的最低标准要求,包括材料在实验室测试的程序和方法规定。
EN471反光条逆反射系数cd/lcx.m标准:
反光观测角 |
光源入射角 |
|
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5 ° |
20 ° |
30 ° |
40 ° |
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12' |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
|
||||||||
330 |
247.5 |
290 |
217.5 |
180 |
135 |
65 |
48.8 |
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20' |
250 |
187.5 |
200 |
150 |
170 |
127.5 |
60 |
45 |
|
||||||||
60' |
25 |
18.9 |
15 |
11.3 |
12 |
9 |
10 |
7.5 |
|
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90' |
10 |
7.5 |
7 |
5.25 |
5 |
3.75 |
4 |
3 |
|
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反光观测角 |
光源入射角 |
||||||||||||||||
5 ° |
20 ° |
30 ° |
40 ° |
||||||||||||||
12' |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
See Note1 |
See Note2 |
|||||||||
250 |
187.5 |
220 |
165 |
135 |
101.3 |
50 |
37.5 |
||||||||||
20' |
120 |
90 |
150 |
75 |
75 |
56.3 |
30 |
22.5 |
|||||||||
60' |
25 |
18.9 |
15 |
11.3 |
12 |
9 |
10 |
7.5 |
|||||||||
90' |
10 |
7.5 |
7 |
5.25 |
5 |
3.75 |
4 |
3 |
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EN471标准规定的方法处理后的反光条逆反射系数 cd/lcx.m 标准:
EN471标准规定的方法处理 |
观测角12',光源入射角5° 坐标 - X |
观测角12',光源入射角5° 坐标 - Y |
|
|
|||
|
|||
磨损后 |
100 |
75 |
|
弯曲后 |
100 |
75 |
|
低温弯曲后 |
100 |
75 |
|
暴露在严寒和高温环境后 |
100 |
75 |
|
水洗后 |
100 |
75 |
|
干洗后 |
100 |
75 |
|
雨淋后 |
100 |
75 |
EN471荧光布:荧光度及颜色坐标标准:
光色 |
最小荧光因子β |
颜色坐标 |
|
X |
Y |
||
|
0.70 |
0.460 0.398 0.387 0.356 |
0.610 0.540 O.494 0.452 |
|
0.40 |
0.655 0.610 0.579 0.544 |
0.390 0.376 0.344 0.341 |
|
0.25 |
0.690 0.655 0.606 0.579 |
0.344 0.341 0.314 0.310 |
应用高可见度材料面积定义服装的等级:
服装的等级: |
|
|
|
荧光布 |
0.80/ M2 |
0.50/ M2 |
0.14/ M2 |
反光条 |
0.20/ M2 |
0.13/ M2 |
0.10/ M2 |
EN 471标准中的检测项目:
一、Cost of EN 471:2003 Woven Fabric
Description
1. Initial colour measurement
2. Colour measurement after light-exposure
3. water vapour resistance
4. water vapour permeability index
5. Colour fastness to rubbing
6. Colour fastness to perspiration
7. Colour fastness to laundering for up to 60ºC
8. Colour fastness to drycleaning
9. Colour fastness to hot pressing
10. Colour fastness to hypochlorite bleaching
11. Dimensional stability to washing for up to 70ºC(5次)
12. Dimensional change to drycleaning(5次)
13. Tensile strength
14. Azo dye
15. pH value:
二、Cost of EN 471:2003 breathable and water resistant laminated fabricDescription
1. Initial colour measurement
2. Colour measurement after light-exposure
3. water vapour resistance
4. water penetration
5. The test items from 1 to 5 price(excluding cost of washing/drycleaning/water resistance test on seams of garment)
6. Colour fastness to rubbing
7. Colour fastness to perspiration
8. Colour fastness to laundering for up to 60ºC
9. Colour fastness to drycleaning
10. Colour fastness to hot pressing
11. Colour fastness to hypochlorite bleaching
12. Dimensional stability to washing for up to 70ºC(5次)
13. Dimensional change to drycleaning(5次)
14. Azo dye
15. pH value:
三、Cost of EN 471:2003 clause 6 (retro reflective tape material)Description
1. Initial assessment
2. After abrasion
3. After flexing
4. After cold folding
5. After exposure to temperature variation
6. Rainfall
7. After washing
8. After drycleaning
9. Additional washing procedures (5次)
10. Additional drycleaning procedures(5次)
11. colour fastness to perspiration
12. Azo dye
13. pH value: