#persempra

Guide

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When you buy upholstered furniture, you want it to last a long time, while keeping its great look. It is therefore very important to select an appropriate upholstery fabric. Samples contain parameters which help you evaluate the quality of the fabric, its durability and resistance to certain factors. However, you must be able to read them in order to select the best fabric for your needs. For this purpose we will explain the individual parameters and how to use them to determine the properties of the fabric.

Fabric abrasion resistance
- Martindale rub test (ISO 12947-2:2000)

When buying a fabric with high abrasion resistance you are guaranteed that it won't wear in heavily used spots. Abrasion resistance is tested with specialist lab equipment which rubs the fabric in a circular motion with wool, under considerable pressure. Depending on the durability of the fabric, the test may last a few hours or even a few days. The abrasion resistance of upholstery fabric is measured by the number of cycles required to damage its surface. For different fabric types and different chemical compositions, appropriate resistance levels are assumed. For PERSEMPRA the interpretation of the results is as follows:

  1. 10,000 – 20,000 category C
  2. 25,000 – 40,000 category B
  3. ≥ 45 000 category A (highest)
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Poradnik 3

Fabric pilling resistance
(ISO 12945-2:2002)

Pilling is the formation of small, unaesthetic balls and knots on the surface of the fabric. They form due to the rolling and binding of fibres protruding from the fabric surface. This problem applies mainly to synthetic fabrics (usually made of polyester). There are various methods of reducing pilling susceptibility, such as selecting an appropriate polyester fibre or using anti-pilling finish. When testing pilling resistance, it is graded from 1 to 5, where 5 is maximum resistance, and 1 is no resistance. The interpretation of the results of the test is as follows:

  1. Level 3 - category D
  2. Level 3-4 - category C
  3. Level 4 - category B
  4. Level ≥4-5 - category A (highest)

Colour friction resistance
(EN ISO 105-X12:2005)

The test shows the tendency (or lack thereof) of the fabric to lose colour. Fabric discolouration by friction is very troublesome during everyday use, because it can result in transferring dyes from the fabric to the clothes of its users. The test is conducted by placing fabric samples in two devices. Then, in one of them the sample is rubbed wet, and in the other it is rubbed dry. After the test, discolouration is graded from 1 to 5. As with pilling resistance, 5 is maximum resistance, and 1 is no resistance. The interpretation of the results of the test is as follows:

  1. Dry friction:
    1. 3-4 - category C
    2. 4 category B
    3. ≥4-5 - category A (highest)
  2. Wet friction:
    1. 2-3 - category C
    2. 3 category B
    3. ≥3-4-5 - category A (highest)
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Poradnik 5

Colour light resistance
(EN ISO 105-B02:2013)

Fabric which fades due to light exposure loses its original character and does not look great. The test shows the tendency (or lack thereof) of the fabric to lose colour, i.e. fade. The test requires two identical samples of the fabric. One of them is placed in a special chamber, where it is exposed to light of appropriate intensity (also temperature and humidity). After the test is finished, the two samples are compared and the colour light resistance is graded from 1 to 8. The grade of 8 is obviously the best one and signifies high resistance, and 1 means no resistance. The interpretation of the results is as follows:

  1. ≥4 category C
  2. ≥5 category B
  3. ≥6 category A (highest - reserved for fabrics for outdoor use)

symbols

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Wash by hand only

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Wash at 30 °C, Gentle Cycle

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Do not tumble dry

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Do not chlorinate

Do not use compounds releasing free chlorine for bleaching
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Dry cleaning

The use of ethylene perchlorate and water solution of fluorine carbonate is permitted
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Use perchlorethylen as cleaning agent with reduced agitation

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Do not iron

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Maksymalna temperatura prasowania 110°C

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Maximum ironing temperature 150°C

(wool, silk, polyester, viscose)
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Dry in a vertical position in room temperature

Hang wet on a hanger without spinning
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The fabric meets the requirements of low flammability as per the EN 1021-1 standard.

The test verifies the possibility of the fabric igniting due to exposure to a flame source, such as a lit cigarette. The fabric marked with this symbol can therefore be used to manufacture furniture which is to receive a non-flammability certificate.
Maksymalna temperatura prasowania 110oC