Specifications of crockmeter, rubbing fastness tester. Colour fastness to rubbing test also known as the crock test. How to measure color fastness to rubbing and color. Color fastness refers to the characteristic that the textile maintains a certain degree of colorfastness during processing and use. Color fastness products textile testing application sdl atlas. It is applicable to textiles made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored. More over color bleeding may occur more during washing, rubbing, perspiration etc.
The term change in colour includes changes in hue, chromatic characteristics, lightness or combination of these characteristics of colour iso 105 b01. 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. Here we will show you only the one reason and that is color fastness to rubbing or crocking. The national standards authority of ireland nsai produces the following categories of formal.
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. Every care has been taken to ensure that the file is suitable for use by iso member bodies. Dry cleaning fastness is more important than washing fastness. There are basically two steps in colorfastness to rubbing or crocking. 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. Oct 23, 2011 color fastness tocrocking the rubbing off of colors is called as crocking. Color fastness to rubbing depends of the color stability of a fabric or garments. For evaluating a materials resistance to rubbing motion. Poor colour fastness in textile products is a major source of customer complaint. Here are some useful illustrations on how to check the color fastness on garments. Color fastness to wash is an off line quality assurance system. Here we will show you some steps to recover from this kind of problem.
The sample is run twenty times manually for ten seconds. Sep 26, 2016 the color fastness to crockingrubbing is categorised from 1 to 5. 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. May 15, 2017 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. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a materials colours resistance to fading or running. Color fastness is an important factor for fabric manufacturers and exporters, here slightly describe about color fastness to rubbing. This apparatus is the most commonly used type for determining the color fastness to rubbing in japan. The color fastness to crockingrubbing is categorised from 1 to 5. We have written a lot of articles on color fastness.
Rubbing fastness test color fastness to rubbing textile. Latest design, rubbing fastness tester to determine the colorfastness of textile to dry or wet rubbing as per isoeuropean aatcc standards. 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. Jis rubbing fastness tester product details 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.
Customer dissatisfaction because of poor colorfastness is one of the main causes of return of softline merchandise. The friction fading of fabric is to make dye fall off caused by friction. Jis rubbing fastness tester,jis color fastness tester qinsun. To determine the degree of color transfer from a test specimen to other surfaces by both wet and dry rubbing. Fastness to light and washing of direct dyes for cellulosic. Color fastness to crocking testing procedure qinsun. Aatcc 8 colorfastness to crocking is designed to determine the amount of color transferred from the surface of colored textile materials to other surfaces by rubbing.
Study on color fastness to rubbing by crock meter free download as word doc. Fastness to light and washing of direct dyes for cellulosic textiles sity to daylight. Fastness is the resistance of a textile material to specific chemical agencies. 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. Some time in order to increase the depth of the colors the surface dyes are not washed off. Colour fastness properties of textiles textile course. It is the property to withstand color reducing from the surface of textile materials during undergoing different process and treatment. Rubbing color fastness, same as washing color fastness, divide into 5 grades and 9 files.
It is compulsory to identify any potential risks of color fastness prior to the production. Blue wool references are identified by the number 1 very low colour fastness to 8 very high colour fastness, with each approximately double the fastness of the one below it. The jisjapanese iodustrial standard testing standard of color fastness for textiles was adopted and implemented by the iso international standard,covering more than forty items of testing method of color fastness. For dyed textiles such as polyester and nylon, and. Dec 01, 2015 color fastness is an important factor for fabric manufacturers and exporters, here slightly describe about color fastness to rubbing. This is a color fastness to crockingrubbing test based on iso 105 x12 test method. Color fastness to crockingrubbing test, iso 105 x12 with video. To create this article, volunteer authors worked to edit and improve it over time. Rubbing tester for colour fastness rt300 reference standard. Color fastness to crocking improvement of indigo and sulphur. 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. Iso 105 consists of many parts designated by a part letter and a twodigit serial number e. Colorfastness to crocking aatcc test method 81996 what this test is used for.
In general, clothing should be tested for colorfastness before using bleach or other cleaning products. Iso 9, textiles standard atmospheres for conditioning and testing. General principles of jis color fastness testing and several testing methods of color fastness were introduced and compared with the relative standards of iso,concerning light. Color fastness property of textile materials especially fabric is very important for processing and using.
It can also be said that dyeing process and finishing of the fabric are not improved. The fastness of a colour can vary with the type of dye, the particular shade used, the depth of shade and. Rubbing fastness of the material is done in dry and wet form like the following way. Colour fastness of textile of rubbing aim to determine the colour fastness of textile materials to rubbing off and staining other materials in both dry and wet conditions. Dry rubbing color fastness refers to the situation of fading and staining of dyed fabric when rubbed with a standard white cloth. Color fastness to rubbing by crockmeter linkedin slideshare. Color fastness to crockingrubbing test, iso 105 x12.
Martindale abrasion tester, martindale pilling tester, martindale abrasion and pilling tester duration. Colour fastness to rubbing test method textile course. A fabric with poor color fastness would transfer its color easily onto other fabrics, especially to white color fabrics. Colour fastness to domestic and commercial laundering 1 scope this part of iso 105 specifies methods intended for determining the resistance of the colour of textiles of all kinds and in all forms to domestic or commercial laundering procedures used for normal household articles. The standard intensity represents the concentration of the dye with respect to the weight of fabric. Qbt 271991 test method for color rubbing fastness of. Institute and to the completion of test reports and calibration certificates within the relevant field. To do so, the buyer should check the samples received for approval.
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 scale for staining according to aatcc 8. How to control color fastness on garment approval sample. 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. Mar 05, 2015 how to control color fastness on garment approval sample. Color fastness to crocking improvement of indigo and. Color fastness tester, crocking fastness tester, rubbing. 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. This test helps us to determine how much color would be transferred from one fabric onto another by rubbing. 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 forms of colour fastness that are. Here is a quick and handy way to test it before a disaster occurs.
After testing, the white cloth is compared to staining sample cards to measure staining fastness. Study on color fastness to rubbing by crock meter textiles dye. 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. Color fastness is a term used in the textile industry to describe the resistance of a fabric against color fading or color transfer. That is why color fastness to crocking rubbing is especially important in the bag manufacturing industry. Grey scale rating is based on the 5step scale of 1 to 5, where 1 is bad and 5 is good.
It is a step by step method to measure the rubbing fastness properties. It is not recommended for use for carpets or for prints where the singling out of areas may. How to improve color fastness to rubbing or crocking texpedia. Procedure of rubbing fastness measurement dry and wet. Colorfastness to rubbing or crocking is nothing but a combination of dry and wet rubbing test. Color fastness products textile testing application. Grade 4color transfer equivalent to step 4 on the gray scale for staining or row 4 on the 9step aatcc chromatic transference scale. 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. Fabrics with large amount of surface dyes like dark color cotton fabric tend to have poor colorfastness to crocking, pigment dyed or printed fabrics also face the same problem. A crock test is used to determine the amount of color that may be transferred from a sample fabric to another fabric by rubbing.
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. Before this you need to know, what is color fastness and what is rubbing or crocking. The evaluation of rubbing color fastness depends on the degree of staining of white cloth. Tests the color fastness of the textile in a very accurate manner. How to measure color fastness to rubbing and color fastness to.
No one wants hisher white shirt to get stained by hisher backpack. How to improve color fastness to rubbing is the topic to discuss here. It is selected by the manufacturer as a reference point to provide samples serving to establish the different fastnesses. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In basic procedure we generally follow the following steps. There are different colorfastness tests, among them rubbing fastness test is important. 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.
Not sure if your new clothing will run in the wash or not. The method is applicable to textiles made from all kinds of fibres in the form of yarn or fabric, including textile floor coverings. The following standard methods employed in assessing the rubbing fastness include iso 105x12 2002. Hanchen dry wet rubbing fastness tester aatcc manual crockmeter rub and color transfer testing color fastness tester 5. Color fastness tocrocking the rubbing off of colors is called as crocking. The term is usually used in the context of clothes. Jis rubbing fastness tester product details 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. How to measure color fastness to rubbing and color fastness. This test helps us to determine how much color would be.
A sample fabric is fastened to the crock meter and then rubbed against a white test cloth. Iso 105x16, textiles tests for colour fastness part x16. White test cloth is put on to the grating and stag by steel wire. 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. Procedure of measuring color fastness to wash washing. Colour fastness to domestic and commercial laundering. This test exhibits the amount of color that is transferred from the dyed sample onto the white fabric under specific conditions of rubbing. Before knowing about the color fastness to perspiration you must have to know about color fastness to wash and color fastness to rubbing. Rubbing fastness test color fastness to rubbing textile learner. Procedure of rubbing fastness measurement dry and wet test.
Aug 18, 2017 the evaluation of rubbing color fastness depends on the degree of staining of white cloth. So it is necessary to determine the rubbing fastness o. Qbt 271991 test method for color rubbing fastness of leather surface english version standard no qbt 271991. By the following way, color fastness to wash is carried out. Steps of testing colorfastness to rubbing or crocking. Details of the software products used to create this pdf file can be found in the general info relative to the file. Color fastness to rubbing crocking is a basic test used by customers to determine the quality of a coloured fabric and has been an area of concern for processors for many years.
1414 1215 918 439 115 1079 440 1234 579 481 1528 1530 1304 161 393 1002 287 791 924 258 363 813 805 1286 126 55 241 820 145 484 1018 202