Light fastness tester is used to determine the color fastness of textiles against sunlight. To measure the rubbing fastness of the fabric, crock meter is used. Rubbing fastness test color fastness to rubbing textile. The sample is run twenty times manually for ten seconds. A sandpaper is set under the test sample so that the sample is fixed during. Study on color fastness to rubbing by crock meter 3no7g1orr3ld. There are some colors like black, red,burgundy,navy blue which have poor color fastness properties because of their chemical structure. How to measure color fastness to rubbing and color.
A lot of articles have been written on colour fastness. How to test for colorfastness in carpet all kleen carpets. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard white cloth. Colour fastness to rubbing this standard has been revised by iso 105x12. In 1947, iso international organization for standardization made colour subcommittee to grade fastness.
Factors affecting the rubbing fastness of textile materials. Evaluation of wash and light fastness of some selected. Construction of the fabricnature of the color each color either it is pigment,reactive,disperse or direct has its own fastness properties to rubbing. Crockmeter, to determine the colour fastness of textiles to dry or wet rubbing. Influence of temperature, time, concentration and ratio of monomers on the. Customer dissatisfaction because of poor colorfastness is one of the main causes of return of softline merchandise. How to improve color fastness to rubbing is the topic to discuss here. Color fastness to crocking improvement of indigo and sulphur. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a materials colours resistance to fading or running. Rubbing fastness of a given fabric is dependent on the factors such as its color apart from the depth of the shade. Influence of binders and thickeners of pigment printing paste.
A test for fastness to rubbing can be performed on dry or wet fabric. 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%. 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. Rubbing fastness depends on factors like material characteristics, selection of dyesdepth of shade, dyeing \ printing procedure. Leather tests for colour fastness colour fastness to. 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. Fastness to rubbing also determines how well a fabric will resist stains. Latest design, rubbing fastness tester to determine the colorfastness of textile to dry or wet rubbing as per isoeuropean aatcc standards. Color fastness is the property of a fabric or garments which is responsible for color stability. In particular the different approval criteria needed for the different types of iso documents should be noted. Color fastness tester, crocking fastness tester, rubbing. Evaluation of colour fastness properties of natural dye. 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. The two terms rubbing fastness and light fastness belong to the topic color fastness.
These are generally purposeful in the textile industry for finding the color. So it is necessary to determine the rubbing fastness o. Improvement of the standard method for assessing colour fastness. Procedure of rubbing fastness measurement dry and wet. Fitted with process timer, digital electronic temperature controller, drain tap, inching facility for loadingunloading of quick fit jars. The procedures used to develop this document and those intended for its further maintenance are described in the isoiec directives, part 1.
Milestonestesting textiles for colorfastness to light. Aug 17, 2016 how to improve color fastness to rubbing is the topic to discuss here. The friction fading of fabric is to make dye fall off caused by friction. How to measure color fastness to rubbing and color fastness to. Two tests may be made, one with a dry rubbing cloth and one with a wet rubbing cloth. Improvement fastnesses and color strength of pigment. 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.
Here we will show you some steps to recover from this kind of problem. Light fastness, wash fastness, and rub fastness are the main forms of colour fastness that are standardized. 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. Gbt 39202008 english version, gbt 39202008 textilestests. Here is a quick and handy way to test it before a disaster occurs. Aatcc crockmeter standard rubbing cloth color fastness tester. 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. 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. 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. It is performed by using crock meter equipment, which can be operated manually or motorized. Rubbing fastness of the material is done in dry and wet form like the following way.
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%. 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. Unlike other types of fabric testing, such as flammability, there are. Aug 25, 2017 crockmeter, to determine the colour fastness of textiles to dry or wet rubbing. Analytic procedure an xray photoelectron spectroscopy for chemical.
Improving the fastness properties of cotton fabric through the implementation of different mordanting agents dyed with natural dye extracted from marigold. Gbt 39202008 english version, gbt 39202008 textiles. Due to the monotonous color of indigo dyed warp yarns, all kinds of denim garments must be treated with some special chemical treatments 35. Manual and year book of the american association of textile.
The term is usually used in the context of clothes. 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. A wetrubbing fastness improver was prepared by two steps. Color fastness different color fastness tests colorfast. The top countries of suppliers are china, pakistan, from which the percentage of. It is a step by step method to measure the rubbing fastness properties. 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. Procedure of rubbing fastness measurement dry and wet test. How to measure color fastness to rubbing and color fastness. All bsi british standards available online in electronic and print formats. Color fastness to crocking testing procedure qinsun. The committee responsible for this document is isotc 38, textiles, subcommittee sc 1, tests for coloured textiles and colorants. Then, after the test is done, the tested rubbing cloth should be evaluated against the grey scale under decent light source. 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.
The exchange test method army and air force exchange service. Not sure if your new clothing will run in the wash or not. Colour fastness properties of textiles textile course. In general, clothing should be tested for colorfastness before using bleach or other cleaning products. Light fastness, wash fastness, and rub fastness are the main. How to test for colorfastness color fastness in carpet to treat stains or dirt from all kleen carpets and upholstery in seattle. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a. Colour fastness to rubbing is evaluated by the degree of staining of a standard adjacent cotton cloth. Effect of finishing on fastness properties of reactive dyes. Aug 18, 2017 the evaluation of rubbing color fastness depends on the degree of staining of white cloth.
Colour fastness to rubbing small areas iso tc 38sc 1wg on. Influence of binders and thickeners of pigment printing. Pdf improving the fastness properties of cotton fabric. Apr 04, 2014 finishes to improve the wet fastness 1.
Color fastness to rubbing by crockmeter slideshare. Table of contents are automatically generated, and may not be 100% accurate. 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. Aug 21, 2011 color fastness to rubbing of knit fabric. Aatcc crockmeter standard rubbing cloth color fastness. 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. In the textile industry, a rub test determines the colorfastness of the color or dye in a fabric. 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. 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. 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.
After testing, the white cloth is compared to staining sample cards to measure staining fastness. The new crockmeter equipped with an electronic counter, and handle is on the top to take it easily. Color fastness testing equipments crock meter digital. 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. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with standard white cloth. Color fastness to crocking improvement of indigo and. 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. 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. This test exhibits the amount of color that is transferred from the dyed sample onto the white fabric under specific conditions of rubbing. Comparison of gbt and aatcc color fastness standards. Iso105x12 textiles tests for colour fastness part x12. Properties provided by these finishes are mostly improved wet fastness, for example washing, water, perspiration and ironing fastness, then better light fastness and only to a small extent improved crocking and rubbing fastness.
This document has been reassessed by the committee, and judged to still be up to date. Dec 01, 2015 to measure the rubbing fastness of the fabric, crock meter is used. Colourfastness testing series colou rfastnesstorubbing 2 testp rocedureinb rieftestp rocedureinb r iieeffief apparatusa ndm. 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. Before this you need to know, what is color fastness and what is rubbing or crocking. The color fastness to crocking rubbing is categorised from 1 to 5. Color fastness to crockingrubbing test, iso 105 x12 with. Colourfastness testing series colou rfastnesstorubbing 2 testp rocedureinb rieftestp rocedureinb r iieeffief apparatusa ndm aterialsappa ratusa ndm aterials. 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. Btex engineering manufactured instrument produces accurate results as it is of most reliable quality and as per the required standards. All the new standards have very nearly the same blue color and all undergo a similar color change when they fade. A sandpaper is set under the test sample so that the sample is fixed during test, makes the rubbing color fastness test repeatable. This document is available in either paper or pdf format. The paper mainly compared the differences of color fastness to water, perspiration and rubbing between gbt series and aatcc series.
Fastness properties assessment on dyed fabrics nptel. The colour staining ranges between no staining and negligible staining 4. How to improve color fastness to rubbing or crocking texpedia. Fastness the dye color fastness tests to washing, light and rubbing were evaluated by iso 105c06, iso 105b02 and iso 105x12, respectively.
Here is a quick and handy way to test it before a disaster. Color fastness testing equipments crock meter digital model. Our instrument can also be used of checking the color fastness against. Testing for color fastness to light was performed in a standard. 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. 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. The light fastness test and crocking fastness test of all samples had been performed according to iso standard. 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. White test cloth is put on to the grating and stag by steel wire. Improvement of the rubbing fastness of cotton fiber in.
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