International Standard
ISO 3341:2000
Textile glass — Yarns — Determination of breaking force and breaking elongation
Reference number
ISO 3341:2000
Edición 3
International Standard
Vista previa
ISO 3341:2000
No disponible en español
Publicado (Edición 3, 2000)
Esta norma se revisó y confirmó por última vez en 2020. Por lo tanto, esta versión es la actual.

ISO 3341:2000

ISO 3341:2000
CHF 63
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1.1 This International Standard specifies a method for the determination of the tensile breaking force and elongation

at break of glass yarns taken from packages.

1.2 The method is applicable to various types of glass yarn (single, folded, cabled, strands, structures without twist,

rovings, etc.). It is basically intended for single, folded and cabled glass yarns having a diameter of less than 2mm,

or a linear density lower than 2000 tex , taken from packages. Heavier yarns may be also tested providing the test

conditions are acceptable to all interested parties.

1.3 The method is not applicable to glass yarns which, in equilibrium with the standard atmosphere and under a

pre-tension of 5 mN/tex , are elongated by more than 0,5% . Such yarns can be tested using a lower pre-tension (for

example 2,5 mN/tex or 1 mN/tex ), acceptable to all interested parties. This would occur mainly when dealing with staple-

fibre yarns.

NOTE 1 Though the determination may be run on beamed yarn or on yarns taken from fabrics, the results must be considered

as indicative only.

NOTE 2 This test method is primarily intended for material characterization and quality control. Fibre-to-fibre abrasion and other

factors such as insufficiently uniform tension (catenary) will increase variability and generate low test values. This will consequently

impede accurate correlation between performance of the yarns and end use applications. Extreme care should be taken

in considering this method for specification purposes.

NOTE 3 Though this International Standard provides the possibility of determining the elongation at break, this practice is not

recommended, however. Indeed, a correct assessment of the elongation will only be obtained using an extensometer; it will not be

obtained by measuring the distance traversed by the moving clamp. On the other hand, experience shows that the use of an extensometer

is quite delicate and often causes damage to the specimen.

Informaciones generales

  •  : Publicado
     : 2000-05
    : Norma Internacional confirmada [90.93]
  •  : 3
     : 7
  • ISO/TC 61/SC 13
  • RSS actualizaciones

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