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Impulse 1-2013-EN

page 2 | impulse | 1/2013 Continued from title page ‘Our fitting tests are always set up as projects that enable the manufacturers to permanently adapt the fit of the entire garment range to the target group based on the resulting data. They can then independently continue consistent optimisation during product development.‘ peOple ratHer tHan dummies – which is your target group? Babies & infants Children & teen Young adults In the prime of life Autumn of life Plus-sizes for all ages The principle for the route to lower return rates and increased customer satisfaction is: ‘People rather than dummies’. For the fitting tests ‘Made in including set-specific tolerances. ‘In some cases we were inspectors from the Hohenstein Stephanie Müller Hohenstein‘, the manufacturers These ensure customer-friendly, Institute. Optimised ready-wear able to cut the number of s.mueller@hohenstein.de receive individual evaluations uniform fit and are the ideal basis for measurement tables also significantly complaints due to fitting of the tested garments as well quality assurance – whether in-house improve the price calculation basis www.hohenstein.de/pr-478-EN as detailed measurement sets or e.g. through the independent problems in half.’ for repeat orders. The ravages of time Decomposition of (textile) products in the ground Like all organic materials, textiles to classical analysis methods, this Regardless of the field of use of the The same applies to geotextiles where will decompose under the influence process does not focus on verifying (textile) materials, the requirements decomposition should take place as of water and microorganisms in the presence of individual substances concerning decomposition in the quickly as possible while generating Relevant test standards the ground. Under comparable with known ecological hazards. It is ground can vary greatly in some valuable humus to promote natural environmental conditions, it mainly rather a consideration of how the cases: For everyday products such plant growth. In contrast to this, other DIN EN ISO 11721-1: depends on the raw materials sum of all individual substances and as clothing or home furnishings, technical textiles and geotextiles are 2001/04 Textiles: used whether the decomposition substance combinations influences decomposition e.g. in landfill should treated with chemical substances Determining resistance to process takes place over the biological systems. The method uses take place as quickly as possible and to make them more resistant to microorganisms of textiles course of months, years, decades e.g. marine bacteria, water fleas and without any residues which could be microorganisms such as mould. The containing cellulose. or even centuries. In combination fish eggs. harmful to health or environment. aim here is to optimise the durability of reinforcements for embankments, (Soil burial test – part 1: dykes etc. where these textiles are Assessment of rot-retardant ‘Basic materials (fibre used. The Hohenstein experts are finish) types) and additional studying how to best meet the finishes have to be requirements of both objectives. DIN EN ISO 11721-2: considered when 2003/12 Textiles: (SoilEstablished methods such as evaluating the impact of burial test – part 2:standardised soil burial tests in decomposing textiles on Identification of long-term the environment.’ resistance of rot-retardant finish) with any added chemical finishes DIN EN ISO 12225: these are also crucial factors for 2000/12: Geotextiles the decomposition potentially and geotextile-related generating individual substances products: Test method or substance combinations which may be harmful to flora and fauna. for determining The evaluations are generally microbiological resistance based on standardised soil burial tests through a soil burial test according to international standards combination with laboratory tests (see info box) which are used to offer an interesting alternative to EN ISO 846 : 1997/06: determine the decomposition or extensive outdoor tests in terms of Evaluation of the action of breakdown behaviour of materials. time and cost involved. microorganisms on plastics Subsequent ecotoxicological examinations allow the scientists Mihaela Szegedi to draw conclusions about the m.szegedi@hohenstein.de environmental compatibility in the Zebrafish and water fleas (daphnia) are good environmental indicators and are used for the sense of risk monitoring. In contrast ecotoxicological examinations. www.hohenstein.de/pr-460-EN


Impulse 1-2013-EN
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