American Standard AATCC 16/ ISO 105 B02Light fastness standard fabric ,Blue wool standard L2-L9

· Light fastness standard fabric, blue wool fabric, standard BS1006 ISO 105 AATCC 16.

·At present, both in the country and at the international level, only the following two numbers:

AATCC BLUE WOOL L2,Size: 50 * 75CM.

AATCC BLUE WOOL L4,Size: 50 * 75CM.

·in GB / T 8427-2008with ISO 105 B02: 1994In the blue wool standard 1-8versus L2-L9Have a detailed description of their ingredients are wool, there are 8Level of the blue standard, and each higher number of blue color fastness to light than the previous number about twice as high.

·But they use the blue dye and the production process is different 1-8Are used separately 8Dyestuffs of different light fastness to dye, apply GB / T8427-2008with ISO 105 B02: 1994In the provisions of the European exposure conditions.

·and L2-L9Is the use of two kinds of dyes on the dyeing of fibrils, and then dyeing the two fibers in a different ratio of blue mark produced L2-L9, Applies GB / T 8427-2008with ISO 105 B02: 1994In the United States exposure conditions, and applies AATCC (TM) 16.

·Blue mark 1-8with L2-L9Can not be mixed between the test results can not be interchangeable.

·L2-L9Blue wool standard is developed and produced by the United States, numbered 2-9, The number of the former note letters L, The eight blue wool standard is poor with the fastness of the blue acid dyes B (C.I.43830) Dyeing of wool and fastness of the Indian dye better dye AGG (C.I.) Were blended in different proportions and each higher numbered blue wool standard had a color fastness to light about twice as high as the previous one.