Our services

 
 

We offer comprehensive testing programmes for all textile raw materials, semi-finished and finished products.

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Testing textile physics and textile chemistry

With our state-of-the-art testing instruments and apparatus we conduct textile-related physical and chemical tests on fibres, single and ply yarns, woven and knitted fabrics, non-wovens and finished products. Our services also include tests related to clothing physiology on fabrics and ready-made textile products. Our portfolio also includes tests listed in the standards stipulating requirements for personal protective equipment (PPE), which also include various burning tests.

The tests are conducted mainly in conformity with EN and ISO standards. Our testing laboratory is accredited for compliance with ISO 17025 (STS 0228).

 
 

Analytical tests

Our laboratories offer you numerous analytical tests for detecting harmful substances, residues and trace elements.

You will find our extensive service offering in the following subject fields.

Please get in touch with us for personal, expert advice!

 
 
 

 
 

Fabric testing

  • Conformity of piece goods for manufacturing personal protective equipment (PPE) 
  • Decomposition of fabrics 
  • Fabric weight, fabric density 
  • Dimensional stability (e.g. after washing)
  • Tenacity: strip and grab testing 
  • Tear propagation resistance 
  • Seam resistance, seam slippage strength 
  • Bursting strength 
  • Pilling test (Martindale, ICI)
  • Abrasion test (Martindale)
  • Snagging test
  • Water absorption (Bundesmann rain test)
  • Water repellence (spray test)
  • Water and oil repellence (Scotchgard)
  • Tchibo test (soil release)
  • Scrub test
  • Crease recovery angle 
  • Anti-crease properties
 
 
 
 
 

 
 

Clothing physiology tests

  • Water impermeability 
  • Water vapour transmission resistance 
  • Thermal transmission resistance 
  • Moisture management
  • Air permeability
 
 
 
 
 

 
 

Burning tests

  • Burning behaviour 16CFR1610
  • Limited flame spread rate EN ISO 15025
  • Burning behaviour of curtains and drapes EN 1102
  • Flammability of vertically oriented specimens EN ISO 6940
  • Flame spread rate EN ISO 6941
  • Burning behaviour of children’s nightwear EN 14878
 
 
 

 
 

Yarn tests

  • Yarn evenness
  • Yarn count
  • Single and ply yarn twist
  • Yarn hairiness
  • Yarn tenacity
  • Yarn shrinkage
 
 
 

 
 

Fibre tests

  • Conditioning
  • Fibre length, fibre count, fibre cross-section, fibre damage (microscopic and chemical)
  • Microscopic fibre analyses (qualitative)
  • Chemical fibre analyses (quantitative)
  • Fine animal hair analyses
  • Fibre analysis (qualitative, quantitative) with the scanning electron microscope (SEM) Uniformity
 
 
 
 
 

 
 

Colour fastness

  • Fastness to light ISO 105-B02
  • Exposure to hot light VDA75202
  • Fastness to weathering ISO 105-B04
  • Fastness to light and perspiration ISO 105-B07
  • Fastness to water ISO 105-E01
  • Fastness to water spotting ISO 105-E07
  • Fastness to ironing ISO 105-X11
  • Fastness to household washing ISO 105-C06/C08
  • Fastness to seawater ISO 105-E02
  • Fastness to chlorinated water ISO 105-E03
  • Fastness to dry cleaning ISO 105-D01
  • Phenolic yellowing ISO 105-X18
  • Fastness to solvents ISO 105-X05
  • Fastness to sodium hypochlorite bleach ISO 105-N01
  • Fastness to peroxide bleach ISO 105-N02
  • Fastness to rubbing ISO 105-X12
  • Fastness to perspiration ISO 105-E04
  • Fastness to saliva and perspiration according to STANDARD 100 by OEKO-TEX®
 
 
 
 
 

 
 

Measurement of colour, whiteness and UV transmission

  • Measurement of colour difference DIN 5033
  • Colour measurement of fluorescent dyestuffs ISO 20471
  • Measuring degree of whiteness (Berger, Ganz Griesser)
  • Colour visibility test (Farnsworth-Munsell)
  • UV transmission measurement according to UV STANDARD 801, AS/NZ 4399, 
  • EN 13758-1


Are you interested in a certification of compliance with UV STANDARD 801?

 
 
 
 
 

 
 

Washing powder / Washing process tests

Washing powder tests

  • Washing efficiency, stain removal 
  • Colour preservation 
  • Greying


Washing cycle control tests

  • Reduction in tensile strength 
  • Ash residue 
  • Organic residues 
  • DP (degree of polymerisation)
  • Reflectance
 
 
 
 
 

 
 

Expert opinions in cases of damage and for court submissions

  • Expert advice and assistance by specialists 
  • Expert opinions in cases of dispute and damage
 
 
 
 
 

 
 

Dyestuff analysis

  • Testing for allergenic dyestuffs 
  • Testing for prohibited azo dyestuffs according to EN 14362-1 & -3
  • Testing for carcinogenic dyestuffs 
  • Qualitative dyestuff analysis
 
 
 

 
 

Human ecological tests

  • pH according to ISO 3071 and other standards 
  • Formaldehyde according to JIS L 1041 and other standards (qualitative and quantitative)
  • Heavy metals (extractable or total amount), ICP-MS
  • XRF analyses (incl. lead, cadmium, nickel)
  • Chromium VI according to ISO 17075
  • Nickel release according to EN 12472 and EN 1811
  • Organochlorine carriers
  • Phenols (chlorinated and other)
  • Pesticides
  • Phthalates (PVC plasticisers), e.g. according to ISO 14389, EN 15777 or CPSC 
  • Organotin compounds, e.g. according to ISO 17353
  • Permethrin
  • PCBs
  • PFCs (e.g. PFOS / PFOA)
  • PAH (polycyclic aromatic hydrocarbons)
  • APEO / AP (alkyl phenol ethoxylates/alkyl phenols)
  • Isothiazolinone
  • Anthraquinone
  • Quinoline
  • Dimethyl fumarate
  • Solvent residues (e.g. DMF, DMAc, NMP)
  • SCCP (short-chain chlorinated paraffins)
  • Triclosan
  • Dyestuff analyses
  • Odour testing
 
 
 

 
 

Residue analyses

  • Industrial analysis (silk)
  • Residual sericin content (scouring)
  • Sizing content 
  • Softener content 
  • Content of solvent-soluble substances 
  • Content of water-soluble substances 
  • Content of acid-soluble substances 
  • Tensides
  • AOX determination (waste water)
 
 
 

 
 

Trace analyses

  • Grease and oil detection 
  • Iron detection 
  • Chloride detection 
  • Sulphate detection 
  • Blood detection 
  • Micro-organisms – germ count 
  • IR (infrared spectroscopy) analyses
 
 
 

 
 

Testing indoor air
quality

Our services for living areas and workplaces include:

  • Ambient air measurements: formaldehyde and volatile organic compounds (VOC), gaseous substances such as carbon dioxide, carbon monoxide, sulphur dioxide, ozone, nitrogen oxides and radon
  • Measurements of harmful substances for verifying the occupational exposure limit (OEL values) in commercial and industrial workplaces 
  • Climate measurements: air movement, temperature and relative humidity 
  • Fine-particle measurements: identification and assessment of suspended particulate matter and aerosols
  • Evaluation of biological parameters: identification of moulds, bacteria and allergens, germ content measurements of bacterial air and surface contamination 
  • Hygienic evaluations of heating, ventilating and air-conditioning systems 
  • Noise and light measurements 


Are you interested in a certification?

 
 
 

 
 

Testing toy safety

Mechanical, physical and chemical tests:

  • Compliance with EN 71, such as tensile, impact, drop and pressure tests 
  • Flammability 
  • Organic chemical compounds 
  • Heavy metals 
  • Pesticides and wood preservatives 
  • Formaldehyde
  • Plasticisers / phthalates
  • Flame retardant substances 
  • Organotin compounds 
  • Allergenic and carcinogenic dyestuffs 
  • Polycyclic aromatic carbohydrates (PAC)
  • Fastness to saliva and perspiration 


International toy safety standards:

  • EN 71, European Standard, Safety of Toys 
  • European Toy Safety Directive 2009/48/EC
  • REACH Regulation No. 1907/2006 (EC)
  • Consumer Product Safety Improvement Act 2008 (USA)
  • ASTM F963 Toy Safety (USA)
  • Hazardous Products (Toys) Regulations (Canada)
  • GB 6675 National Safety Technical Code for Toys (China)
  • AS/NZS ISO 8124 (Australia/New Zealand)


Are you interested in a certification?

 
 
 
Ralph Sontheim

Ralph Sontheim
Manager Textile Testing

Get in touch with me

 

PROVEN SINCE 1846

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