Make sure to state which scale was used for each evaluation. It is not recommended for use for carpets or for prints where the singling out of areas may. This test is intended to determine the resistance of color. Color fastness products textile testing application. Procedure of rubbing fastness measurement dry and wet. Crocking refers to the rubbing off of color from a fabric when subjected to abrasion. 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 procedures used to develop this document and those intended for its further maintenance are described in the isoiec directives, part 1. Sep 23, 2016 this is a color fastness to crockingrubbing test based on iso 105 x12 test method. Dec 01, 2015 color fastness is an important factor for fabric manufacturers and exporters, here slightly describe about color fastness to rubbing. The evaluation of rubbing color fastness depends on the degree of staining of white cloth. Study on color fastness to rubbing by crock meter free download as word doc. Aatcc ep7, instrumental assessment of the change in color of a test specimen. 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.
Color loss by one item of a coordinated set, or by an item selected for its specific shade will generally cause customer returns. 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. That is why color fastness to crocking rubbing is especially important in the bag manufacturing industry. Doclive free unlimited document files search and download. Procedure of measuring color fastness to wash washing fastness measurement may 28, 2012 quality control q. Crocking the rubbing off of colors is called as crocking. Colorfastness to crocking aatcc test method 81996 what this. Hanchen dry wet rubbing fastness tester aatcc manual crockmeter rub and color transfer testing color fastness tester.
Colorfastness to perspiration textiles and apparel at uni. Construction of the fabricnature of the color each color either it is pigment,reactive,disperse or direct has its own fastness properties to rubbing. Two tests are involved, one using the rubbing cloth dry, the other with the cloth wetted. Pdf wash fastness of textile fibers dyed with natural dye. Details of the software products used to create this pdf file can be found in the general info relative to the file. Colour fastness to rubbing test also known as the crock test. Please refer to the specific bulletins on helizarin binder hit andor perapret nu for specific recommendations. Iso 9, textiles standard atmospheres for conditioning and testing.
This method uses a standard white cotton fabric that is rubbed against the. Measurement procedure of color fastness in apparel industry. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Fastness property an overview sciencedirect topics. The garments which come into contact with the body where perspiration is heavy may suffer serious local discoloration. Before this you need to know, what is color fastness and what is rubbing or crocking. The color fastness of a colored textile is defined as its resistance to these. Color fastnessproperty of a pigment or dye to retain its original hue, especially without fading, running, or changing when wetted, washed, cleaned. Wash fastness of textile fibers dyed with natural dye from eucalyptus wood steaming waste.
There are two main types of test methods that are used to determine the effect of. Color fastness is an important factor for fabric manufacturers and exporters, here slightly describe about color fastness to rubbing. Rubbing fastness problems are very common with azoic colours, although as discussed earlier, this problem can be overcome by adopting proper dyeing technology see section 19. Colorfastness to wet and dry crocking rubbing transfer of color from the surface of a colored fabric onto another surface by rubbing or repeated contact. This test exhibits the amount of color that is transferred from the dyed sample onto the white fabric under specific conditions of rubbing. Colour fastness to hot pressing iso 105x11 textiles. No one wants hisher white shirt to get stained by hisher backpack.
Please note that paper format is currently unavailable. Gbt 2512008 textiles tests for colour fastness grey scale for assessing staining gbt 61512016 textilestests for colour fastness general principle of testing gbt 65292008 textilesstandard atmospheres for conditioning and testing gbt 7568. This is a test method of the american association of textile chemists and colorists aatcc. Color fastness to perspiration refers to the ability not to fade and not to stain when dyed fabric is perspired. Iso 105x16, textiles tests for colour fastness part x16. How to measure color fastness to rubbing and color. The friction fading of fabric is to make dye fall off caused.
A fabric with poor color fastness would transfer its color easily onto other fabrics, especially to white color fabrics. The sample is run twenty times manually for ten seconds. Contemporary wool dyeing and finishing mr arthur fisher csiro. What is color fastness classification of color fastness.
Unsatisfactory perspiration fastness may be due to bleeding or migration of color or it may be due to change in color of the dyed material. Aug 18, 2017 the evaluation of rubbing color fastness depends on the degree of staining of white cloth. Study on color fastness to rubbing by crock meter textiles dye. Report the color change grade in the sample fabric, and the staining grades for each fiber type in the multifiber test strip. There are some colors like black, red, burgundy, navy blue which have poor color fastness properties.
Color fastness products textile testing application sdl atlas. Jis rubbing fastness tester,jis color fastness tester qinsun. By the following way, color fastness to wash is carried out. Color fastness to wash is an off line quality assurance system. Color fastness to perspiration for iso and aatcc method. All colorfastness to light test methods presented here are intended to represent the most current version.
Colour fastness properties of textiles textile course. In previous post we talked about color fastness to wash. Experimental symplocos racemosa is an evergreen tree or shrub. Improvement of color fastness for deep black shade of. How to improve color fastness to rubbing or crocking texpedia. It is a process used to test color fastness to washing or rubbing by. Hanchen dry wet rubbing fastness tester aatcc manual. A crock test is used to determine the amount of color that may be transferred from a sample fabric to another fabric by rubbing. Color fastness to crockingrubbing test, iso 105 x12. Color fastness to crocking improvement of indigo and sulphur. 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. Ormstrup application testing and classification of the use area, stair suitability, electrical resistance, dimensional stability and colour fastness to water, rubbing and artificial light. Not sure if your new clothing will run in the wash or not. Here, just know about the whole process of color fastness to rubbing phenomenon.
China color fastness test equipment ink rubbing fastness. Color fastness to wash iso 105 c06 textile learner. It is performed by using crock meter equipment, which can be operated manually or motorized. Textile testing equipment suppliers,color fastness tester. It is applicable to textiles made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored. 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.
Wet rubbing color fastness refers to the situation of fading and staining of. Color fastness to wash is one of the important tests for silk material, as most of the silk material is dyed with acid dyes and only proper dyeing will impart good wash fastness properties. Individual act member product information may represent a different version of a test method depending on the date the product was introduced to market. A sample fabric is fastened to the crock meter and then rubbed against a white test cloth. Grey scale rating is based on the 5step scale of 1 to 5, where 1 is bad and 5 is good. Fastness to light and washing of direct dyes for cellulosic textiles sity to daylight. Colorfastness to perspiration university of northern iowa. It is a step by step method to measure the rubbing fastness properties. For evaluating a materials resistance to rubbing motion. Color fatness to washing means, a specimen of the textile, in contact with one or two specified adjacent fabrics, is mechanically agitated under described conditions of time and temperature. Ink rubbing fastness testing instrument is used to test the paper and paperboard labels, folding cartons, corrugated boxes etc with high smoothness, which not apply to test materials that thickness over 0. It is the property to withstand color reducing from the surface of textile materials during undergoing different process and treatment. Gbt 39202008 english version, gbt 39202008 textiles.
Improvement of color fastness for deep black shade of cotton fabric. Color fastness to rubbing by crockmeter slideshare. For those situations when the ultimate color fastness to rubbing and washing is needed, perapret nu can be included into the color fast finish recipe. Here we will show you some steps to recover from this kind of problem.
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. Color fastness test methods in textile and apparel industry. Rubbing color fastness, same as washing color fastness, divide into 5 grades and 9 files. Crocking means the transfer of color from one fabric onto another by rubbing. This test helps us to determine how much color would be transferred from one fabric onto another by rubbing. Colorfastness can be measured by numerous methods, those are discussed in the below. Color fastness property of textile materials especially fabric is very important for processing and using. Color fastness to perspiration test acid, alkali, iso. 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.
Two tests may be made, one with a dry rubbing cloth and one with a wet rubbing cloth. Aug 17, 2016 how to improve color fastness to rubbing is the topic to discuss here. White test cloth is put on to the grating and stag by steel wire. Color fastness to crockingrubbing test, iso 105 x12 with. Rubbing fastness tester, color fastness testing machine. Iso 105 consists of many parts designated by a part letter and a twodigit serial number e. Fastness to light and washing of direct dyes for cellulosic.
How to measure color fastness to rubbing and color fastness to. Colorfastness to crocking aatcc test method 81996 what this test is used for. Generally the tone of azoic dyed ground is not affected by the postdyeingfinishing operations such as resin finishing chattopadhyay and kaushik, 1994. Color fastness test equipment ink rubbing fastness tester description. 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. Color fastness is the resistance of a material to change any of its colour characteristics or extent of transfer of its colorants to adjacent white materials in touch.
Procedure of rubbing fastness measurement dry and wet test. In particular the different approval criteria needed for the different types of iso documents should be noted. Evaluation of colour fastness properties of natural dye. The standard intensity represents the concentration of the dye with respect to the weight of fabric. Color fastness to perspiration test acid, alkali, iso 105 e04 method. Rubbing fastness test color fastness to rubbing textile. The purpose of this test method is to evaluate the degreeof color loss after repeated home launderings and staining of other items in a washload. The friction fading of fabric is to make dye fall off caused by friction. Color fastness refers to the resistance of color to fade or bleed of a dyed or printed textile materials to various types of influences e.
Color fastness to crocking testing procedure qinsun. Rubbing fastness of the material is done in dry and wet form like the following way. After testing, the white cloth is compared to staining sample cards to measure staining fastness. Procedure of measuring color fastness to wash washing. Here is a quick and handy way to test it before a disaster occurs. Aug 21, 2011 color fastness to rubbing of knit fabric. Color fastness to wash iso 105 c06 color fastness to washing. This part of iso 105 specifies a method for determining the resistance of the colour of textiles to rubbing off and staining other materials where the singling out of areas smaller than possible to test with the apparatus described in iso 105x12 is required.
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