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The Yarns
Standard production of textiles by Teximpianti primarily involves using “E” glass yarn and carbon and aramid yarn.

The composition of the various types of glass and the basic features of the elementary filaments obtained can be seen in tables 1, 2, 3 and 4.
These elementary filaments (with a diameter of 5 ÷ 13 micron), when sized and joined together in a certain number (minimum 50), create the actual yarn that is mainly distinguished by its yarn count in TEX (grams per thousand metres of yarn) but also by the nature of the sizing agent, by its structure in one of more articles (twisted together) and by the possible treatments such as texturing and carding.  There is a very wide range of yarn counts available, starting from 2.8 TEX right through to 2000 TEX.

The Textiles
The textiles differ by certain fundamental aspects which determine where they are to be used according to the various requirements.

- The construction defines the number of yarns per centimetre, both in warp and weft, together with the yarn count used in the two directions.

- The weight in grams per square metre is a direct result of the composition.  Teximpianti produces fibreglass cloth in weights varying from a minimum of 20g/m2 up to over 1000 g/m2.

- The way the warp and weft are woven can make a substantial difference to textiles of the same weight and composition in terms of thickness, deformability, surface flatness, as well as the mechanical characteristics and particularly the breaking strength (see table of Main Weaves).

- The thickness of the textile therefore depends on its construction, weight and weave, and the Teximpianti range includes textiles from 0.02 mm up to approximately 1 mm.

- Finishing is an operation frequently requested before putting fibreglass cloth to use – our textiles are, in fact, mainly used as reinforcements for resinous and bituminous systems.
The purpose of this treatment is to make the textile as ready as possible for bonding to the coupling material and is therefore an extremely important element in choosing the textiles to use.  Carbon textiles are of the direct sizing type and thus do not need finishing; aramid textiles, on specific request, can be given a washing treatment to eliminate the textile size since this may impair the bond between resin and fibre.

- The breaking strength of the ‘loomstate fabric’ depends on its construction, weight and weave.
When the textile is de-sized followed by a finishing treatment, a loss of tensile strength occurs which has to be quantified for each case.

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production 3
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production 6