4o Trimestre 16 Foolproof seams with Gütermann sewing threads Protección Laboral 89 Protective clothing is important, but so are the threads that hold the assembly together, especially when it comes to clothing for extreme applications, such as re ghters clothing, metalworkers and foundries, welders, protective items or combat clothes. In this type of clothing seams are subjected to strains and extreme stress due to re, heat and chemicals. The meta-aramid yarns optimize protection in areas where protective clothing is weaker, the seams. Fireproof threads Gütermann reproof yarns, based on meta-aramid bers (Nomex®, Newstar ®), they are reproof, refractory, and will automatically extinguish when not in contact with the source of the re, having accredited excellent resistance to alkaline environments. In the eld of re resistant clothing are noteworthy the articles K 403 AR and K 753 AR.These yarns resist for a short time at 360° C, and do not melt, nor burn and self-extinguish.They have good chemical strength to mild acids and alkalis. Gütermann K / AR is a short ber spun yarn that is distinguished by its high sewing performance. With the same re retardant properties as above, there are also available the articles K 403 and K 753 which are long ber spun yarns.The advantages of the long b- er technology are uniformity and high breaking strength. An additional feature is the brightness as compared to short ber spun yarns. Lastly it is also worthmentioning the family of Gütermann Salta K articles 40 / 70 and 120, made with 100% ar- amid (Nomex®), they are very resistant to heat and chemicals, making them ideal for protective suits and all areas of thermal applications. Other high performance yarns The items Gütermann Mara 80 and 100 are threads made of 100% polyester MCT –Micro Core Technolo- gy®- characterized by its extreme resistance to break- age.They are therefore the ideal solution for seams that are confronted to high strains, as in the case of making protective workwear. In general, the Mara 100 MCT variant provides optimal security and regularity in sewing automata.They are very resistant to rubbing and thermal requirements and the various external treatments that may suffer the garment. Available in 400 colors and up to 12 different thicknesses. ·Mara WA Gütermann Mara MCT has the variant Mara WA, which is waterproof and repels both water and dirt. Outdoor applications are at the mercy of the rain and damp. So the weakest point, namely the seam, must be up to the job of keeping the water out.To produce waterproof seams, you need threads with an excel- lent nish. With its water-repellent protective nish that eliminates the thread’s wicking effect, Mara WA offers an optimal basis for waterproof seams. Used in conjunction with the right sewing technology your seam will withstand all weathers. When Mara is combined with Gütermann’s water-re- pellent nish, water and moisture do not stand a chance of penetrating the fabric. Making it perfect for sport and functional clothing as well as for tents, tarpaulins, awnings and all laminates that are intend- ed to protect you from cloudbursts and downpours. Experts in sewing since 1864 “In Gütermann (American & E rd Group) we are ex- perts in sewing, subject to which we have paid all our dedication since 1864. During this time, we’ve gath- ered experience, developed our own technology and gradually bring to market new developments. For us, there are no two seams alike, ever y one poses specif- ic requirement to the thread”, stresses a spokesman from the company. The variety of the range is an added value of Güter- mann (American & E rd Group) brand, that’s why they urge users to “contact our sales department if you require more detailed information on products and their applications”. The meta-aramid yarns optimize protection in areas where protective clothing is weaker, the seams 59 Updated products