Textile laboratory
Materials tested in the laboratory
- textile fabrics: woven fabrics, knitted fabrics, nonwovens, coated fabrics, geotextiles, floor textiles
- textile products, clothing products and clothing complements: PPE, knitted products, children clothing, toys
- longitudinal textiles: fibres, threads, yarns
- paper, cardboards and products made thereof, tissue paper and tissue products
- foils, plastics and products made thereof
Accredited test methods
All test methods accredited by the certificate No. S-068 issued by the Slovak National Accreditation Service are given in the Scope of accreditation.
1. Construction parameters:
- sett
- binding
- number of stitches
- stitch density
2. Geometric parameters:
-
thickness
- measurement of dimensions
- dimensional change after washing
- dimensional change after wet ironing
- dimensional change after dry cleaning
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3. Gravimetric parameters:
- linear density
- mass
- mass per unit area
4. Physico-mechanical parameters:
- strength (maximum force, breaking force etc.), elongation at break
- loop breaking strength
- dry breaking load
- wet breaking load
- tearing strength
- seam strength
- bond strength
- weld strength
- thread slip in a seam
- bursting strength using a sphere
5. Physiologic-functional properties:
- thermal resistance (Rct)
- water vapour resistance (Ret)
- air permeability
- water resistance (water column)
- spray test
- water absorption (absorption time, soaking time, reverse wetting, moisture content, absorption capacity, capillarity)
- temperature resistance
- softening effect and odours
6. Electrostatic properties::
- surface electric resistance
- internal electric resistance
7. Qualitative properties:
- creasing (degree of creasing, angle of recovery)
- pilling, pulping
- abrasion, wear
- defects, change of appearance
8. Performance characteristics:
- testing and evaluation of textile materials and clothing products according to the European and national legislation
9. Horizontal and vertical flammability:
- horizontal speed of flame spread
- speed of flame spread on vertically mounted samples
- determination of high ignitability on vertically mounted samples
- limited flame spread
10. Testing and evaluation of all kinds of colour fastness:
- to water, perspiration, washing and dry cleaning
- to rubbings
- to ironing
- to light
- to acids and alkalis
- to bleaching with hypochlorite or hydrogen peroxide
- to rubbing with organic solvents
- to sea water
- to chlorinated water
- to shampooning etc.
11. Color measurements
Instrumental evaluation of colour fastness using ULTRASCAN XE tester
Colouristic evaluation using ULTRASCAN XE tester:
- colour measurement (L, a, b coordinates), colour differences (delta E) in various colour systems, evaluation of colour quality, textile dyeing
- instrumental determination of whiteness and opacity
Testing of textile materials and products including personal protective equipment according to the valid European and national legislation.
12. Determination of antibacterial efficiency:
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Test method AATCC TM 100:
Evaluation of antibacterial finishes of textile materials.
Test microorganism: Klebsiella pneumoniae, Staphylococcus aureus
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Test method ASTM E 2149-20 Standard test method for determination of antimicrobial activity of immobilized antimicrobial agents in dynamic contact conditions.
Test microorganism: Escherichia coli
13. Determination of antibacterial efficiency:
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Test method AATCC 147
Evaluation of antibacterial activity of textile materials: Inoculation in parallel strips.
Test microorganism:Klebsiella pneumoniae S taphylococcus aureus
Contact person
Ing. Katarína ŠČASNÍKOVÁ, PhD.
Head of textile laboratory Head of the team of research development
Tel.: +421-41-56 21 304 Mobil: +421 911 384 586 E-mail: scasnikova@vutch.sk
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