Abrasion – High Traffic. Color fastness during washing is one of textile importers’ main concerns. +86 755 2220 0833 (Mandarin and English), New business inquiries: That is why color fastness to Crocking/Rubbing is especially important in the bag manufacturing industry. Asking your inspector or supplier to send samples of your textiles to a laboratory for further testing can offer added assurance of your product’s color resilience. The crockmeter has a “rubbing finger” which the lab technician rubs across the fabric by turning a mechanical lever. Colorfastness to light is a measure of how permanent a color is on fabric after exposure to light. A laboratory can help you choose which tests are most important for your fabric type and target market. For this test, the lab attaches a strip of multifiber fabric to the test specimen to measure staining. Abrasion – Low Traffic. +852 34613193 (English and Cantonese) Or get in touch today to find out about EYSANâs extensive range of knitted fabrics. The best way to ensure your fabric’s color can withstand regular use is to test it in different conditions before shipment. The “A” and “B” ISO 105 C06 test methods are most common, as they test fabrics at 40°C and 50°C, respectively. Which dyeing method should you choose? AATCC 16 differs from ISO 105 B02 in that light exposure in the former case is measured using a specialized unit of irradiance known as “AATCC Fading Unit” (AFU). Color fastness to saliva. Box 101981 Fort Worth, TX 76185. In case of test prints, Prüfbau proof prints are prepared on art-coated paper with an ink layer thickness of 1.4 - 1.6 g/m². The test methods that we usually use for Crocking/Rubbing are called "BS EN ISO 105 X12" and "AATCC 8". There are 16 different ISO 105 C06 test procedures, ranging from A1S to E2S. The “2” test procedures include a peroxide-based bleach, sodium perborate (NaH2BO4), in the washing water. However, a lot depends on the original color of the fabric. ISO 105 B02 has four different exposure cycles with different humidity and temperature levels, including A1, A2, A3 and B. 34, Fu Dong Street, 70142 Tainan City, Taiwan. But color fastness testing is essential to ensuring customer satisfaction with fabric products. AATCC 15 only tests color fastness to acidic perspiration. The general methods are now GB/T8427-1998 "Test Method for Xenon Arc Lamps"; ISO 105-B01-1994 "Textile Fastness Test Part B01: Light Fastness", ISO 105-B02-1994 "Textile Colors" Fastness test Part B02: Resistance to artificial light fastness Xenon arc lamp fading test, ISO 105-B05-1993 "Texture fastness test of textiles Part B05: Detection and evaluation of photochromism"; AATCC139-2000 "Lightfastness" Color fastness: detection of photochromism, AATCC 169-2003 "Textile weatherability: Xenon arc lamp irradiation"; JIS L 0841-2004 "Sunlight fastness test method", JIS L 0842-2004 Test method for dyeing fastness of ultraviolet carbon arc light, JIS L 0842-1998 "Test method for dyeing fastness of xenon arc resistance". AATCC 16 includes five different testing options. This machine replicates different light sources in a consistent way, making your visual assessment of color much more accurate. Since color fastness standards are not a legal requirement, importers can typically test their products to whatever standard they feel is most appropriate for their target market. Ltd.All Rights Reserved. Aim for a color change rating of 4 and a color staining rating of 3 to 5 for detergent washing. The test specimen and multifiber fabric are immersed together in water under specific conditions of temperature and time. Latin America: But it can become alkaline in higher temperatures or when bacteria are present. Legal notice © 2019 Asia Quality Focus. Many importers will accept a grade 3 rating for staining and a grade 4 for color change. The rubbing direction can also vary based on the type and design of the fabric. For instance, polyester is usually more colorfast than nylon. The level of color fastness you require and the tests you want to put your fabric through will all depend upon what your garments are going to be used for. Color fastness testing in a third-party laboratory can help you ensure your fabric’s colors stay fresh and vibrant after many uses. Weâve all been there. How colorfastness to crocking (rubbing) is tested: ISO 105 E04 and AATCC 15 are the most common standards for assessing whether perspiration affects color fastness. But the crockmeter typically rubs the fabric in the warp and weft directions separately. Both natural and synthetic fabrics are subject to discoloration under UV rays (sunlight) and fluorescent light. What is Wicking Fabric? Updates and news about all categories will send to you. Physical Properties. Manufacturers need to consider these factors when deciding on garment design. ISO 105 E01 and AATCC 107 vary most in the heating time of the test specimen after immersion. Not every color can reach these high ratings. However, a lot depends on the original color of the fabric. These tests are especially important for outerwear and for determining whether a garment can withstand everyday drying on a washing line in the sun. So all textile importers should consider this test for their products. The standard is a wool fabric dyed with 8 different light fastness blue dyes, and the degree of solarization between them is geometrically spaced. A color fastness test for perspiration are particularly relevant for sports apparel and swimwear, which will most likely be exposed to heavy perspiration during use. The colorfastness is being assessed by comparison of the colour change of the exposed portion to the masked control portion of the test specimen using gray scale or blue references used. Some common light sources for color checking include: Under this light, you can then check your fabrics for color differences using the James Standard Heal Stained Grey Card. Color fastness to light testing might be particularly important to importers of clothing worn predominately outdoors. The ISO 105 X12 and AATCC 8 test methods both use a machine known as a “crockmeter” to rub the fabric. Color fastness is the extent to which a fabric loses its color under certain conditions. The standards are partly equivalent and largely similar in their test methods. For instance, if we wear a jacket over a t-shirt, after a long day of movement, will the fabric from one stain the other? +33 178906995 (French and English) How Does it Work? Sometimes you might find that the fabric color you want to use isnât as colorfast as it needs to be. ISO 105 B02 and AATCC 16 are the most common international standards for color fastness to light. Fiber. In the case of AATCC 16 Option 3, a strip of fabric is placed in a fadometer and exposed to accelerated fading units (AFU) for 40 hours.Â. Your fabrics will retain their vivid and vibrant colors for long after the initial sale, keeping your customers satisfied and coming back for more. The fading of the test sample is then rated in comparison to the fading of the blue wool reference. ISO 105 X12 and AATCC 8 are the primarily standards for measuring color fastness to crocking. Color fastness to wet rubbing is typically lower than for dry rubbing for most fabrics. The Blue Wool Scale ranges from 1 (very low color fastness to light) to 8 (very high color fastness to light). So what makes some fabrics colorfast and others likely to ruin a wash load of clothes? Any number of activities associated with regular use can reveal these issues, including: Unlike other types of fabric testing, such as flammability, there are no mandatory legal requirements for color fastness testing. Recommended Product Information And Background You Should Send Us, Good Manufacturing Practice (GMP) Audits and Training, Retail/Brand Specific Compliance Programs, previously included alkaline test methods, Apple Supplier Responsibility Compliance Services, Sears & Kmart Vendor Conduct Adjustment Services, Sporting Goods, Fitness Equipment and Bicycle. You put the tested fabric with the non-tested fabric, or the non-dyed swatch into the machine and set the appropriate light source. ISO 105 B02 varies from AATCC 16 in that a blue wool reference material with a known reaction to light is simultaneously exposed to light during the test. Color fastness to light test. North America: Color fastness to sea water. GT-D02C Carbon Arc Lamp Colorfastness to Weathering Tester, If you have questions, please contact us, all questions will be answered. That is, level 2 sun 57 h, level 3 sun 112 h, level 4 sun 166 h, level 5 sun 220 h, level 6 sun 275 h, 7 level sun 329 h. Under normal circumstances, the light fastness can reach 4, and the special requirements for high light fastness can reach 5 levels.
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