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How Do We Measure The Color Fastness Of Textile Materials？

In daily life, how do we measure the color fastness of textile materials such as clothes? What standards are it? The following introduces a tester-Rotawash Washing Fastness Tester

Rotawash Washing Fastness Tester is used for determining color fastness of textile materials to washings. This is attained by mechanically agitating a specimen of textile in contact with pieces of specified adjacent fabrics in soap – soda solution. Before being rinsing and dried. The change in color of specimen and stains of the adjacent fabrics are assessed with standard Grey Scale.
Number of Jars Eight
Volume of each Jar 550 cc (Approx)
Distance of base jars from the axis of rotation 50 mm
Speed of rotation 40 to 45 rpm.
Temperature of Water Bath Ambient of 980 C
Motor ¼ HP 230 V AC.
Testing Standards
IS 687 – 1979, 764 - 1979, 765 – 1979, 3417 – 179, 3417 – 179, Method of determination of Color fastness of textile materials to washing: Test1, Test2, Test 3, Test 4 and Test 5 respectively.
Technical parameters

Cup capacity	550ml, 1200ml (optional)
Spin speed	40±2r/min
Time control range	99.9min
Time control error	<±5s
Temperature control range	0~100℃
Temperature control error	<±2℃
Heating method	Electric heating
Power supply	AC 380V, 50Hz

For more information please refer to: Textile Testing Equipment Durable Rotawash Washing Fastness Tester For Textile Materials (labtesting-equipment.com)

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