Innolab India offers Washing Fastness Tester with 8 Jars. Innolab India manufactures Textile Testing Equipment. The Washing Fastness Tester with 8 Jars is used for determining colour 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 Washing Fastness Tester consists of a thermostatically controlled, electrically heated water bath made of Stainless Steel. The bath is heated by means of immersion heaters and its temperature controlled by a capillary type thermostat.