Colour fastness to rubbing british standard iso 105x12. Fastness to light and washing of direct dyes for cellulosic. The rub fastness test determines the marring of the surface finish and assesses the amount of color transfer from the sample to the rubbing pad. In 1947, iso international organization for standardization made colour subcommittee to grade fastness. Cn101858904a test method of urine stain colour fastness. Color fastness to rubbing by crockmeter slideshare. The color fastness of a colored textile is defined as its resistance to these changes when subjected to particulars of conditions. Fastness the dye color fastness tests to washing, light and rubbing were evaluated by iso 105c06, iso 105b02 and iso 105x12, respectively. A wide variety of colour fastness to rubbing options are available to you, such as abrasion tester, textile testing instrument, and auto testing machine. Procedure of measuring color fastness to wash washing fastness measurement may 28, 2012 quality control q. Fastness to rubbing also determines how well a fabric will resist stains. So it is necessary to determine the rubbing fastness o. The standard intensity represents the concentration of the dye with respect to the weight of fabric.
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. The fastness of a colour can vary with the type of dye, the particular shade used, the. How to improve color fastness to rubbing is the topic to discuss here. A lot of articles have been written on colour fastness. Dec 01, 2015 to measure the rubbing fastness of the fabric, crock meter is used.
In the textile industry, a rub test determines the colorfastness of the color or dye in a fabric. Rubbing fastness of a given fabric is dependent on the factors such as its color apart from the depth of the shade. What is color fastness classification of color fastness. Here we will show you some steps to recover from this kind of problem. White test cloth is put on to the grating and stag by steel wire. There is no colour staining 5 for all the treated samples in both acidic and. Pdf colour fastness properties of polyestercotton fabrics. As a result, due to lacking of color fastness, there will be shade variation in the fabric which is a major fault in the eye of buyer. 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. How to measure color fastness to rubbing and color fastness. Gbt 39202008 textilestests for colour fastness colour fastness to rubbing english version standard no gbt 39202008.
Color fastness to crocking improvement of indigo and. Crocking the rubbing off of colors is called as crocking. As the rubbing force for the wet testing procedure is about double the rubbing force for dry rubbing 11, wet crocking ratings of indigo and sulphur black dyed fabrics at heavy depths of shade, cannot overcome. Color fastness to crockingrubbing test, iso 105 x12. Color fastness to crockingrubbing test, iso 105 x12 with video. The more color is transferred, the more the fabric crocks. The fastness of a colour is dependent on the type of dye, depth of shade, colour and process parameters in dyeing. Crocking is simply the transfer of color from a fabric onto another white test fabric.
Most of the treated samples show excellent fastness grade to colour change, except for 1. Jis rubbing colour fastness tester is a standard testing machine, based on the friction tester type ii gakushin type specified in the test method for color fastness of textiles jis l0849 of the japanese industrial standard test method for color fastness of textiles. The invention relates to a test method of urine stain color fastness, which comprises the following steps. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a materials colours resistance to fading or running. To determine the degree of color transfer from a test specimen to other surfaces by both wet and dry rubbing. Dyes react differently when in contact with different agents.
Apr 04, 2014 finishes to improve the wet fastness 1. British methods also call for tests to alkaline perspiration. It is a step by step method to measure the rubbing fastness properties. How to measure color fastness to rubbing and color. The friction fading of fabric is to make dye fall off caused by friction. 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. Colour fastness is a term that describes the propensity of an article to change or lose colour when treated in a certain way. Colorfastness to perspiration textiles and apparel at uni. Colourfastness testing series colou rfastnesstorubbing 2 testp rocedureinb rieftestp rocedureinb r iieeffief apparatusa ndm aterialsappa ratusa ndm aterials. Color fastness to perspiration for iso and aatcc method. A wide variety of rubbing fastness tester options are available to you, such as textile testing instrument, plastic testing machine, and universal testing machine. 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.
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. Color fastness to crockingrubbing test, iso 105 x12 with. Color fastness to crocking testing procedure qinsun. We can check the color fastness of a fabric by running a test. Iso 105f09, textiles tests for colour fastness part f09.
It is performed by using crock meter equipment, which can be operated manually or motorized. Analytic procedure an xray photoelectron spectroscopy for chemical. The sample is run twenty times manually for ten seconds. It can improve the color fastness of light measures. All bsi british standards available online in electronic and print formats. How to improve the color fastness of the fabric testex. This test is used to determine the fastness of colored textiles to the effects of acid perspiration sweat. This test is intended to determine the resistance of color of dyed textile to the action of acidic and alkaline perspiration. How to measure color fastness to rubbing and color fastness to. Fastness to light and washing of direct dyes for cellulosic textiles sity to daylight. 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. Aug 17, 2016 how to improve color fastness to rubbing is the topic to discuss here.
Colorfastness to crocking textiles and apparel at uni. The fastness of a colour can vary with the type of dye, the particular shade used, the depth of shade and how well the dyeing process has been carried out. Color fastness test methods in textile and apparel industry. The term is usually used in the context of clothes. 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 to crocking improvement of indigo and sulphur. In general, clothing should be tested for colorfastness before using bleach or other cleaning products. The quality of a dyed material possessing resistance against washing, bright light exposition, gas or by rubbing. Evaluation of wash and light fastness of some selected. The rational use of dyes, in improving the light fastness, the choice of dye is the key. It is applicable to textile made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard white cloth. Fastness is the resistance of a textile material to specific chemical agencies.
The test can be carried out under dry or wet conditions using a dry rubbing pad, or by prewetting the rubbing pad in distilled water or a sweat solution prior to testing. Other factors that affect color fastness include the specific dye used in the dyeing process, the dyeing process itself, any additives, fixatives or softeners used, and the way of washing of the fabrics etc. 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. This device is used by textile industry to simulate industrial procedures. Colour fastness refers to the resistance of colour to fade or bleed of a dyed or printed textile materials to various types of influences e. When exposed to light, gas, water, use, the dyed material does not lose the color. Light fastness, wash fastness, and rub fastness are the main forms of colour fastness that are. There are two main types of test methods that are used to determine the effect of. Color fastness to wash is an off line quality assurance system. The test methods that we usually use for crocking rubbing are called bs en iso 105 x12 and aatcc 8. A test for fastness to rubbing can be performed on dry or wet fabric. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a.
Iso 9, textiles standard atmospheres for conditioning and testing. It is a process used to test color fastness to washing or rubbing by an accelerated method. Gbt 39202008 english version, gbt 39202008 textiles. Colorfastness to crocking aatcc test method 81996 what this test is used for. Rubbing fastness of the material is done in dry and wet form like the following way. Apr 08, 2017 color fastness, textile processing or use in the process is not easy to fade, poor color fastness, there will be fade, discoloration, or staining, etc. The garments which come into contact with the body where perspiration is heavy may suffer serious local discoloration. A crock test is used to determine the amount of color that may be transferred from a sample fabric to another fabric by rubbing. 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.
Color fastness to domestic and commercial laundering iso 105 c06. Sep 23, 2016 this is a color fastness to crockingrubbing test based on iso 105 x12 test method. A sample fabric is fastened to the crock meter and then rubbed against a white test cloth. More over color bleeding may occur more during washing, rubbing, perspiration etc.
There are some colors like black, red,burgundy,navy blue which have poor color fastness properties because of their chemical structure. As the rubbing force for the wet testing procedure is about double the rubbing force for dry rubbing 11, wet crocking ratings of indigo and sulphur black dyed fabrics at heavy depths of shade, cannot overcome the level of 12 on the grey. The results show that the entire utilized textile auxiliaries did not cause a yellowness problem. Homepagebs standards59 textile and leather technology59. Evaluation of colour fastness properties of natural dye. Definition and measurement of rubbing color fastness.
That is why color fastness to crocking rubbing is especially important in the bag manufacturing industry. Material composition affects a great deal for color fastness. Before this you need to know, what is color fastness and what is rubbing or crocking. Our lab contains reagents to simulate either type of perspiration. Procedure of rubbing fastness measurement dry and wet test. 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.
Colorfastness to perspiration aattcc test method 15 2002 what this test is used for. The light fastness test and crocking fastness test of all samples had been performed according to iso standard. The wash fastness, rubbing fastness, and colour uniformity of dyed cotton were inspected. Construction of the fabricnature of the color each color either it is pigment,reactive,disperse or direct has its own fastness properties to rubbing. The perspiration fastness grades range between 45 and 4, except for 3. 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. It can also be said that dyeing process and finishing of the fabric are not improved. Two tests may be made, one with a dry rubbing cloth and one with a wet rubbing cloth.
Colour fastness to rubbing test also known as the crock test. In particular the different approval criteria needed for the different types of iso documents should be noted. 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. Influence of binders and thickeners of pigment printing paste. Color fastness is the property of a fabric or garments which is responsible for color stability. Jis rubbing fastness tester,jis color fastness tester qinsun.
Improvement fastnesses and color strength of pigment printed. This test helps us to determine how much color would be transferred from one fabric onto another by rubbing. Procedure of rubbing fastness measurement dry and wet. Rubbing fastness test color fastness to rubbing textile. Steps of testing colorfastness to rubbing or crocking. Tests for colour fastness colour fastness to rubbing.
How to improve color fastness to rubbing or crocking texpedia. By the following way, color fastness to wash is carried out. The procedures used to develop this document and those intended for its further maintenance are described in the isoiec directives, part 1. Colourfastness testing series colou rfastnesstorubbing 1 colourfastnesstorubbingisabasictestusedbyc. 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. Aug 01, 2016 crocking is like rubbing a period of time with a minimum cycle. Colour fastness properties of textiles textile course. Aug 18, 2017 the evaluation of rubbing color fastness depends on the degree of staining of white cloth. This test exhibits the amount of color that is transferred from the dyed sample onto the white fabric under specific conditions of rubbing. Colorfastness can be measured by numerous methods, those are discussed in the below. It is selected by the manufacturer as a reference point to provide samples serving to establish the different fastnesses. To measure the rubbing fastness of the fabric, crock meter is used.
The following dyes shall only be used if the fastness to perspiration. Color fastness to perspiration refers to the ability not to fade and not to stain when dyed fabric is perspired. Improvement of color fastness for deep black shade of. Colour fastness to rubbing 1 scope this part of iso 105 specifies a method for determining the resistance of the colour of textiles of all kinds, including textile floor coverings and other pile fabrics, to rubbing off and staining other materials. Wet rubbing is influenced by both external force and water, so it is about one level lower than dry rubbing. Procedure of measuring color fastness to wash washing. The colour staining ranges between no staining and negligible staining 4. After testing, the white cloth is compared to staining sample cards to measure staining fastness. Rubbing color fastness refers to the ability to sustain original color of dyed fabrics when rubbing. This test method is determination of the amount of color transferred from the surface of colored textile materials to other surface by rubbing. Measurement procedure of color fastness in apparel industry.
Colorfastness to rubbing or crocking is nothing but a combination of dry and wet rubbing test. Poor colour fastness in textile products is a major source of customer complaint. In previous post we talked about color fastness to wash. There are basically two steps in colorfastness to rubbing or crocking. This is a color fastness to crockingrubbing test based on iso 105 x12 test method. Wet rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard.
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