Light fastness, wash fastness, and rub fastness are the main forms of colour fastness that are standardized. Aug 31, 2017 in dyed and printed textile materials the unfixed dye particles are mechanically held on the surface and these particles are rubbed off easily on the wearer skin or any other cloth of contact. Gbt 39202008 english version, gbt 39202008 textilestests. Improving the fastness properties of cotton fabric through the implementation of different mordanting agents dyed with natural dye extracted from marigold. Fitted with process timer, digital electronic temperature controller, drain tap, inching facility for loadingunloading of quick fit jars. Unlike other types of fabric testing, such as flammability, there are. Pdf improving the fastness properties of cotton fabric. This test is designed to determine the degree of color which may be transferred from the surface of a colored fabric to a specify test cloth for rubbing which could be dry and wet. Construction of the fabricnature of the color each color either it is pigment,reactive,disperse or direct has its own fastness properties to rubbing. Our instrument can also be used of checking the color fastness against. After testing, the white cloth is compared to staining sample cards to measure staining fastness. To measure the rubbing fastness of the fabric, crock meter is used.
The basic test used in determining the amount of color transferred from the surface of colored textile material to other surface is the colorfastness to rubbing and this test has been the area of. The exchange test method army and air force exchange service. Manual and year book of the american association of textile. The term is usually used in the context of clothes. Influence of temperature, time, concentration and ratio of monomers on the.
Milestonestesting textiles for colorfastness to light. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a. Colour fastness to rubbing this standard has been revised by iso 105x12. Influence of binders and thickeners of pigment printing paste. Here is a quick and handy way to test it before a disaster occurs. Due to the monotonous color of indigo dyed warp yarns, all kinds of denim garments must be treated with some special chemical treatments 35. Colorfastness is the property of a dye or print that enables it to retain its depth and shade through the wear life of a product. The new crockmeter equipped with an electronic counter, and handle is on the top to take it easily. Improvement of the standard method for assessing colour fastness. Color fastness to water tested according to gbt571997 was different from aatcc1072007 in sample size, liner fabric, and time for keeping constant temperature with 4h and 18h, respectively. This document has been reassessed by the committee, and judged to still be up to date.
Here we will show you some steps to recover from this kind of problem. The light fastness test and crocking fastness test of all samples had been performed according to iso standard. All the new standards have very nearly the same blue color and all undergo a similar color change when they fade. The light fastness of the fabric printed with binder f is best than the others and the rubbing fastness of fabric printed with binder f. Analytic procedure an xray photoelectron spectroscopy for chemical. Customer dissatisfaction because of poor colorfastness is one of the main causes of return of softline merchandise. Effect of finishing on fastness properties of reactive dyes. Table of contents are automatically generated, and may not be 100% accurate.
Gbt 39202008 english version, gbt 39202008 textiles. This document is available in either paper or pdf format. Iso105x12 textiles tests for colour fastness part x12. Read on more to find out about rubfast467, zorofastwr, zorofastfmd specialty finishing agent to improve dry and wet rub fastness of all types of dyed and printed cotton and their blends.
Not sure if your new clothing will run in the wash or not. Color fastness to crockingrubbing test, iso 105 x12 with. The sample is run twenty times manually for ten seconds. It is performed by using crock meter equipment, which can be operated manually or motorized. In 1947, iso international organization for standardization made colour subcommittee to grade fastness. Study on color fastness to rubbing by crock meter 3no7g1orr3ld.
Rubbing color fastness, same as washing color fastness, divide into 5 grades and 9 files, among which grade 5 is the best and grade 1 is the worst. Btex engineering manufactured instrument produces accurate results as it is of most reliable quality and as per the required standards. How to measure color fastness to rubbing and color fastness to. Comparison of gbt and aatcc color fastness standards. A sandpaper is set under the test sample so that the sample is fixed during. Our range of products include color fastness testing equipments such as vgotech washing fastness tester, crock meter digital model, sdc blue wool, crock meter hand operated, light fastness tester, sublimation tester and many more items. Color fastness testing equipments crock meter digital. Influence of binders and thickeners of pigment printing. The sample is gone through rubbing action in the crock meter and after rubbing color change and color staining is assessed with the help of grey scale. White test cloth is put on to the grating and stag by steel wire. Color fastness to rubbing by crockmeter slideshare. How to test for colorfastness in carpet all kleen carpets.
Wet rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with standard white cloth which water content is 95% to 105%. Finishes to improve the wet fastness presented by muhammad moosa abdul rehman, sdc bs, ms textiles iii, itrc indus university edited by muhammad awais imran, sdc bs, ms textilesiii, itrc indus university 2. Most of the treated samples show excellent fastness grade to colour change, except for 1. In the textile industry, a rub test determines the colorfastness of the color or dye in a fabric. Light fastness, wash fastness, and rub fastness are the main. The procedures used to develop this document and those intended for its further maintenance are described in the isoiec directives, part 1. How to measure color fastness to rubbing and color fastness. Before this you need to know, what is color fastness and what is rubbing or crocking.
The method is applicable to textiles made from all kinds of fibres in the form of yarn or fabric, including textile floor coverings, whether dyed or printed. Color fastness to crocking testing procedure qinsun. Improvement of the rubbing fastness of cotton fiber in. Color fastness to crocking improvement of indigo and sulphur. Leather tests for colour fastness colour fastness to. A wetrubbing fastness improver was prepared by two steps. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a materials colours resistance to fading or running. Aatcc crockmeter standard rubbing cloth color fastness. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard white cloth. Color fastness different color fastness tests colorfast.
How to measure color fastness to rubbing and color. Then, after the test is done, the tested rubbing cloth should be evaluated against the grey scale under decent light source. Fastness to rubbing also determines how well a fabric will resist stains. Rubbing fastness of a given fabric is dependent on the factors such as its color apart from the depth of the shade. Color fastness testing equipments crock meter digital model. Improvement fastnesses and color strength of pigment. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with standard white cloth. The friction fading of fabric is to make dye fall off caused by friction. Procedure of rubbing fastness measurement dry and wet. Fastness properties assessment on dyed fabrics nptel. Wet rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard white cloth which water content is 95% to 105%. Evaluation of colour fastness properties of natural dye. The paper mainly compared the differences of color fastness to water, perspiration and rubbing between gbt series and aatcc series.
A fastness is a place, such as a castle, which is considered safe because it is difficult to reach or easy to defend against attack. Textiles, subcommittee sc 1, tests for coloured textiles and colorants. Light fastness tester is used to determine the color fastness of textiles against sunlight. In particular the different approval criteria needed for the different types of iso documents should be noted. Two tests may be made, one with a dry rubbing cloth and one with a wet rubbing cloth. Aatcc crockmeter standard rubbing cloth color fastness tester. The committee responsible for this document is isotc 38, textiles, subcommittee sc 1, tests for coloured textiles and colorants. Thereafter, the change in color of specimen and stains of the adjacent fabrics are assessed with standard grey scale. Our rubbing fastness tester is produced by means of the most leadingedge technology in compliance to the global quality standards as a result these offer high performance in a very qualitative manner.
Colourfastness testing series colou rfastnesstorubbing 2 testp rocedureinb rieftestp rocedureinb r iieeffief apparatusa ndm aterialsappa ratusa ndm aterials. Iultcs rubbing fastness tester, designed to carry out a rub fastness test on the surface of leather to determine the amount of marring of the leather surface or the finish and to assess the amount of colour transferring from the sample to the rubbing pad under dry or wet conditions. Evaluation of wash and light fastness of some selected. Here is a quick and handy way to test it before a disaster. The top countries of suppliers are china, pakistan, from which the percentage of. Dec 01, 2015 to measure the rubbing fastness of the fabric, crock meter is used. This test exhibits the amount of color that is transferred from the dyed sample onto the white fabric under specific conditions of rubbing. Color fastness is the property of a fabric or garments which is responsible for color stability. Color fastness to crocking improvement of indigo and sulphur dyed cellulosic fibres international journal of advanced research in chemical science ijarcs page 48 washing given that crocking fastness of the untreated sample after washing is higher. How to improve color fastness to rubbing is the topic to discuss here. Colour fastness to rubbing small areas iso tc 38sc 1wg on.
Gbt 2512008 textiles tests for colour fastness grey scale for assessing staining gbt 61512016 textilestests for colour fastnessgeneral principle of testing gbt 65292008 textilesstandard atmospheres for conditioning and testing gbt 7568. The principle of the method specified is rubbing one side of the leather to be tested with pieces of reference wool felt under a given pressure for a given number of forward and backward motions, assessing the change in colour of the pieces of felt and of the leather with the grey scales. A wide variety of wet rubbing fastness improver options are available to you, there are 95 suppliers who sells wet rubbing fastness improver on, mainly located in asia. Procedure of rubbing fastness measurement dry and wet test. The color fastness to crocking rubbing is categorised from 1 to 5. It is a step by step method to measure the rubbing fastness properties. Aug 25, 2017 crockmeter, to determine the colour fastness of textiles to dry or wet rubbing. Rubbing fastness of the material is done in dry and wet form like the following way. Rubbing fastness test color fastness to rubbing textile.
Colour fastness to rubbing is evaluated by the degree of staining of a standard adjacent cotton cloth. All bsi british standards available online in electronic and print formats. Aug 17, 2016 how to improve color fastness to rubbing is the topic to discuss here. Fastness the dye color fastness tests to washing, light and rubbing were evaluated by iso 105c06, iso 105b02 and iso 105x12, respectively. Rotary rubbing color fastness tester is the most commonly used testers in textile industry to test the color fastness of fabric to dry or wet rubbing, especially the printed fabrics.
Testing for color fastness to light was performed in a standard. Aug 18, 2017 the evaluation of rubbing color fastness depends on the degree of staining of white cloth. A lot of articles have been written on colour fastness. The effects of various fastness color fastness to wash, abrasion test, rubbing test and perspiration test properties of dyes were also studied and reported in this paper in details. Color fastness to crocking improvement of indigo and. How to test for colorfastness color fastness in carpet to treat stains or dirt from all kleen carpets and upholstery in seattle. Rubbing fastness depends on factors like material characteristics, selection of dyesdepth of shade, dyeing \ printing procedure. In general, clothing should be tested for colorfastness before using bleach or other cleaning products. The colour staining ranges between no staining and negligible staining 4. Factors affecting the rubbing fastness of textile materials. Rotary rubbing color fastness tester is used for printed fabric, textile printing and dyeing industry, especially for the detection of color fastness of printed fabrics to dry or wet rubbing. Color fastness tester, crocking fastness tester, rubbing. There are some colors like black, red,burgundy,navy blue which have poor color fastness properties because of their chemical structure. Colour fastness properties of textiles textile course.
In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Aug 21, 2011 color fastness to rubbing of knit fabric. These are generally purposeful in the textile industry for finding the color. The two terms rubbing fastness and light fastness belong to the topic color fastness.
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