AATCC 88B-2014 Smoothness of Seams in Fabrics after Repeated Home Laundering.
1. Psipose and Scope
1.1 This test method is designed to evaluate the smoothness appearance of seams in fabrics after repeated home laundering.
1.2 Any washable fabric may be evaluated for seam smoothness using ibis method.
1.3 Fabrics of any construction, such as woven, knit and non woven, may he evalwiled according to this method,
1.4 Techniques for seaming are not outlined, since the purpose is to evaluate fabrics as they will be supplied front manufacturing or as ready for use, Furthermore, seaming techniques would be controlled by fabric properties.
2. PrInciple
2.1 Seamed fabric specinsen% are subjected to standard home laundering pr-actices. A choice is provided of hand or machine washing, alternative machine wash cycles and tensperatures and alternative drying procedures Evaluation is performed using a standard lighting and viewing area by rating die appearance of specimens in comparison with appropriate reference standards
3. Termimology
3.1 ballast, n—in procedures Ibr processing or tethng ‘textiles, material that is used to bring the total weight or volume of the textiles to an amount specified in the procedure.
3.2 durable press adj.—having the ability to retain subsiantially the initial shape. hat seams, pressed-in creases and unwrinkled appearance during use and after laundering or drycleaning.
3.3 launderiag. ii.— of textile matchala, a process iniended to remove soils and’or stains by treatment (washing I with an aqucnus detergent solution and nor- mall>’ uscluding rinsing, extracting and drying.
3.4 launderIng creases, n—sharp folds or lines running in any direction in a washed or dried specimen.
NOTE laundering creases are an unintended result of restricted nitnement of specimens in the washer or the dryer.
3.5 scam smoothness, n.—in fabrics. the vkual impression of planatity of a seamed specimen quantified by companson with a set of reference standards.
4. Salety Precaulloin
NOTE: These safety precautions are for intonstation purposes only. The precautions are ancillary to the testing p.oeedurn and arc not intended to be all inclusive. It is the user’s responsibility to use safe and proper techniques in handling materials in this test method. Manufacturers MUST be consulted for specific details such as matenal safrty data sheets and other manufacturer’s recommendations. All OSHA standards and rules must also be consulted and followed,
4.1 Good laboratory practices should be followed. Wear safety glasses in all laboratory areas
4.2 The 1993 AATCU Standard Reference Detergent and the 2003 AATCC Standard Refetence Uquid Detergent may cause irritation Care should be taken to prevent exposure to skin and eyes.
4.3 All chemicals should be handled with care.
4.4 Manufacturer’s safety ivcommendations should be followed when operating laboratory testing equipment.
5. Uses and LImlIatlors
5.1 This test method is designed to be used only for evaluating the appearance of washable seamed fabrics after repeated home Iaundcnng.
5.2 The test procedure is designed to retlect the capabilities of home laundn equipment which is currently used by wnsunscrs. In general. it is preferable to conduct the test under relatively severe laundering conditions.
5.3 Prints and panerns may mask the muszsiness present in seamed fabrics. The rating process is. however, based on the sisual appearance of specimens including such effects.AATCC 88B pdf download.