Measure the fastness to light with the microsol light fastness tester. Intuitive software allows routine testing to be started in as little as three touches of the screen. I would like to know how the fastness of color gold color dyed of anodized colored aluminium could be tested accelerated and long term tests. Trufade is used to test the colour fastness to light of textiles, leather and other materials, simplifying a difficult area of light fastness testing to deliver consistent and accurate results. Weatherometer xenon test chamber light fastness tester. Trufade offers a fresh approach to light fastness testing it streamlines a difficult area of colour fastness testing to deliver consistent and accurate results.
The standard intensity represents the concentration of the dye with respect to the weight of fabric. Evaluation of wash and light fastness of some selected. 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. A wide variety of light fastness tester options are available to you, such as universal testing machine, textile testing instrument, and auto testing machine.
Dyes and pigments are used for example for dyeing of fabrics, plastics or other materials and manufacturing paints or printing inks the bleaching of the color is caused by the impact of ultraviolet radiation in the chemical structure of the molecules giving. China light fastness tester, light fastness tester. Xenon arc light fastness tester with testwise touch. Light fastness testing is a good way for brands and product designers to experiment with a range of new products and know theyve got them right before launching them. Home industries materials print print quality and durability light fastness testing light fastness testing light fastness, or color fastness to light, is the resistance of printed or pigmented materials to fading or color change due to exposure to sunlight or an artificial light source.
Xenonarc apparatus with window glass filters to simulate daylight behind window glass. It is expressed as the numerical rating for light fastness. When the relative humidity of the light fastness testing machine is correctly set it will fade at an identical rate to the light fastness standard number 5. The technical specifications, testing equipment and coding schemes that make industry lightfastness tests look difficult shouldnt scare you from doing tests of your own testing paints requires no more skill than making a small painting and framing it. Xenon arc testers may also 14 gatfworld mayjune 2001 keep your true colors. Lightfastness is a property of a colourant such as dye or pigment that describes how resistant to fading it is when exposed to light. Stm 421 rub fastness tester stm 421 rub fastness tester this machine is 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 transfer from the sample to the rubbing pad. All dyed material experience change in color when showing to daylight.
For getting better light fastness result in light shade have to select those dyes which show better light fastness result in light shade percentage. An exclusive launch of their next generation trufade light fastness tester, now with onboard weathering, has given visitors the opportunity to view this machine for the first time, watch live demonstrations, and speak to their team of experts to discuss physical and colour fastness testing challenges. Sun electromagnetic spectrum consists of gamma to radio waves. Light fastness testing print quality and durability. I would like to the widely accepted color fastness to light standard that are used by large us retailers. A new product whose colour starts to fade too quickly could damage a companys reputation for years. Xenonarc apparatus with water spray and daylight filters to simulate outdoor weathering. The purpose of color fastness to light test is to determine how much the color will fade when exposed to a known light source. Tests for fastness of color of anodized colored aluminium. The work of preparing international standards is normally carried out through iso technical committees. The gakushin rubbing and color fastness tester is mainly used to evaluate materials color fastness to rubbing.
Then the holder set in to the microsol light fastness. A new light fastness tester with weathering from james. Light fastness tester confirms with the following international standards. Color fastness test to light light fastness grades. Light fastness testing machine colorfastness tester gester. Light fastness measurement with microsol light fastness. Color fastness tester, crocking fastness tester, rubbing. Looking for light fastness tester factory in china. It is a 6 station benchtop rubbing tester which includes clamps for sample attachment to moving platen as well as clams for weighted rubbing arm for attachment of rubbing material, and its cycle counter will stop the machine automatically at the end of test. Simultaneously with samples another equivalent test stripe set is exposed under the light source defined in the standard. Iso 105b02 textiles tests for color fastness part b02. Weatherometer, xenon test chamber, to determine color fastness to light, weather and light aging of various colored textiles, light and weather fastness tester.
Light fastness testing helping your brand show its true. Ptl conducts test methods designed to evaluate colorfastness properties of dyed materials. Washing fastness tester, to determine color fastness to washing or dry cleaning to iso, aatcc standards. Our iso 9001 accredited labs are well equipped and professionally managed to perform accurate testing and provide clear, detailed reports. You can always contact our buyer service for a recommended list of meters and instruments manufacturers tailored just for your demand. We are manufacturer of light fastness tester mbtl ph. Light fastness tester used to determine the color fastness of all kind of textile materials, plastic, paper and similar products under artificial daylight d65. It is used as a calibration tool for light fastness testing. The atlas xenotest is a premium rotating rack, xenonarc aircooled weathering instrument with have an array of optional features to meet virtually all global weathering and lightfastness test methods. Textiles light fastness tester manufacturer,supplier and. Generally man wears the fabric and goes outside of the home for doing their job.
This page lists manufacturers of quality light fastness tester, find out more by clicking lab equipment, test equipment, testing machine with competitive price. To determine the colorfastness and degradation due to the effects of sunlight on textiles. For example, if the lightfastness of the colourant is indicated to be 5 on blue wool scale, it can be expected to fade similar amount as the strip number 5 in blue wool test strip set. Color fastness products textile testing application. The term is usually used in the context of clothes. Colour fastness testing textile testing instruments. Anticipating light fastness correctly can be a question of make or break for some businesses. Light fastness tester light fastness tester is used for for determining light fastness of textiles against mbtl fading lamp. Color fastness properties of different reactive dyes. Digigrade offers a simpler and more efficient way to measure blue wool samples for light fastness. Xenon arc light fastness tester for simple and accurate. The reasons for such modifications in the appearance of prints are mainly due to the degradation of the colouring agent used pigment or colorant. Washpots are preheated in appropriate test solution.
Products may be subjected to simulated accelerated weathering, sunlight, atmospheric, cleaning solutions as well as a variety of other test conditions. Rubbing fastness tester color fastness tester gester. Accelerated weathering testing and uv light fastness. Tests for fastness of color of anodized colored aluminium 1998. Light fastness tester or color fastness testeris alaboratory instruments for color blind test technique to determine the color fastness to lightof textiles and garments against sunlight. Light fastness is the resistance of colours to fading, changing shade or darkening under the influence of light independently of the direct influence of weathering. Colour fastness is a termused in the dyeing of textile materialsthat characterizes a materials colours resistance to fading or running. Based on the research carried out, it was found that the selected foreign fabrics show a higher wash and light fastness property as compared to the local fabrics which also show high wash and light fastness property. In the last issue of just paint we discussed why some qor watercolors had a lightfastness rating of na, or not applicable, while most carried the familiar astm lightfastness ratings of i and ii. Iso the international organization for standardization is a worldwide federation of national standards bodies iso member bodies.
Fastness to light and washing of direct dyes for cellulosic textiles sity to daylight. Following step is maintained during measure the color fatness to light. E36 determination of color fastness against artificial light. The rotary crockmeter is used to determine the color fastness of textiles to dry or wet rubbing particularly for printer fabrics. Color fastness tester is to determine the color fastness of leather, textiles, etc. Professional color fastness wash test systems precision. Essentially this came about because some of the pigments being used. A major advantage of digigrade is that it is a noncontact system. The appearance of photos may degrade over time due to bright indoor lighting or sunlight through.
It has a rotating specimen rack and provides precise control of critical test parameters including spectrum, irradiance, relative humidity, chamber temperature and black standard temperature. Precision colorfastness testing in a compact, modern design. It applies 14 grams of pressure on a 16mm crocking finger and rotates 1. It is also used to test white or optically polished products. Light fastness tester or color fastness tester is a laboratory instruments for color blind test technique to determine the color fastness to light of textiles and garments against sunlight. For many industries, light fastness testing is a fundamental part of research and development and quality control. Examples of its use are the assessment of wash fastness grading for change of shade and staining, light fastness and rubbing. This depends on the chemical nature of the pigment, its concentration, and the medium in which it is employed oil, watercolour, acrylic. At last i can say, yes, optimum recipes can be achieved but require the evaluation, implementation and control and monitoring of various dyeing parameters. Any product that sits outside, goes outside and or sits indoor but in direct sunlight is susceptible to the damaging effects of sunlight, uv and weather damage.
325 1343 888 88 1455 402 50 131 1319 1118 591 1287 1193 432 783 1102 1079 672 592 1083 1371 62 756 727 1382 79 1447 141 692 1454