UNE-EN ISO 105-X11:1994

TEXTILES

COLOR FASTNESS TEST

PART X11: COLOR FASTNESS TO IRONING

This part of the ISO 105 standard specifies a method of testing to determine the solidity of the color in the textiles on the planchado.

Thermal device built for a parallel and smooth plates, equipped with an electrical heating system that can control with accuracy and that exerts a pressure of 4 kPa ± 1 kPa over the probe.
Smooth thermoresistant sheet, thickness comprised between 3 mm and 6 mm.
Pad, of wool flannel, of mass per unit of surface of 260 g/m2, approximately.
Cotton fabric neither dyed, bleached and non-mercerized, with a mass per unit of compressed surface between 100 g/m2 and 130 g/m2, and smooth surface.
Cotton control fabric, in accordance with part F02 of Norma ISO 105-F:1985, of 40 mm x 100 mm.
Grayscale to assess degradation.

If the textile that is tried is a fabric, a rectangular test tube of 40 mm x 100 mm is used.
If the textile that is tried on is thread, be prepared with it a smooth knitted fabric and from this a piece of 40 mm x 100 mm is taken, or the thread is wound tightly around a thin support of inert material, of 40 mm x 100 mm, to form a layer of the same thickness as the thread.
If the textile that is tried is fiber in the form of lint, flock, tape, is pained and compresses a sufficient quantity to form a sheet of 40 mm x 100 mm, there is sew over a piece of cotton witness fabric. So that the fiber does not move.

The selection of the temperature to be used for ironing depends, in general, on the type of fiber and the structure of the fabric or the grip:
- 100ºC ± 2ºC
- 150ºC ± 2ºC
- 200ºC ± 2ºC
Condition at 65% ± 2% relative humidity and 20ºC ± 2ºC temperature.
The dried test tube is placed on top of the cotton fabric covering the wool flannel pad. Discuss the superior plate of the thermal device and the probe will already last 15 s at the temperature of the specific ironing.
The test tube is placed on top of the cotton fabric covering the wool flannel pad. A 40 mm x 100 mm piece of cotton control fabric is soaked and water is drained or extracted until said test tube retains one more amount of water equal to its own. The wet tissue is placed on top of the dry test tube. The superior plate of the thermal device is knocked down and the probe is already lasting 15 s at the specific ironing temperature.
Soak the test tube and a piece of control weave of cotton, of 40 mm x 100 mm. They are drained or dewatered until they contain a mass of water equal to their own. The wet test piece is placed on top of the dry cotton fabric covering the wool flannel pad and the wet control fabric is placed on top of the test piece. The superior plate of the thermal device is knocked down and the probe is already lasting 15 s at the temperature of the specific ironing.

The degradation of the color of the probe is valued with the scaling of appropriate grays, after the dressing, and again, after conditioning the probe for 4 hours in the normal atmosphere for the textile dressing.
The discharge is assessed on the control cotton fabric with the appropriate gray scale. For the valorization, the character of the witness of cotton will be used that presents a more important discharge.

Category: Normative