Product Description:
• Light Fastness Standards. Blue wool fabric (pack of 8 graded 1-8) to meet ISO/BS standards.
Dimensions
each piece 240mm (9 1/2”) x 150mm (6”).
These are a series of 8 wool fabrics dyed with specified blue dyes to give blue wool cloths ranging from very low light fastness to very high light fastness. This forms a numerical scale of 1 to 8 where 1 has the poorest light fastness, to 8 which has the best light fastness. This allows fabrics to be graded, using a Grey Scale for Change in Colour, for correlation with performance in use.
They are used in the ISO 105 B series of tests
Company Contact:
Contact Name: Nicole
Company Name: Tony International (hk) co., Ltd
Email:
Tel: 86-0769-23010657
Fax: 86-0769-23010667
Street Address: No.809 The Center
Point Business Center, Dongzong Road,
Guancheng Zone, Dongguan City, China
Website:
https://www.tonyhk.hk
Member name: GlobalTestingInstrument
Country:
China
Member Since: 01 June 2012
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