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Rotawash Washing Fastness Tester

It is used for determining color fastness of textile materials to washings.

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Description

Product Information
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
How do you measure wash fastness?
 
The sample is kept in 600C for 30 minutes in Rota Wash Machine. Rinse the sample twice with cold water. Dry at 600C by hanging or by Flat iron pression but temperature should not be more than 1500C. Dry the specimen and the change of shade & degree of staining is measured by Grey Scale & Staining Scale.