Accredited Test Laboratory

Testing of leather, leatherboards, collagenous materials

Overview test Lab / Contact
We test for you the following single parameters:	deutsch    italiano

A) Physical-mechanical tests and analysis (assortment) A1) Dimensions / general material properties
Thickness	EN ISO 2589; DIN 53326*
Surface coating thickness	EN ISO 17186
Apparent density (grammage / area mass)	EN ISO 2420; DIN 53327*
A2) Tensile, extension and flexual properties
Tensile test ( tensile force, breaking elongation)	EN ISO 3376; DIN 53328*; ASTM 2209
Stretch and relaxation properties	PV 3909 / TL 52064
Tear load (single edge tear)	EN ISO 3377-1; DIN 53329-A*
Tear load (double edge tear)	EN ISO 3377-2
Stitch tear resistance	EN ISO 23910; DIN 53331*; ASTM D 4705-00
Square tensil at tensometer (bulg test), burst pressure	DIN 53323
Distension and strength of grain (ball burst test)	DIN 53325; ISO 3379
Resistance to flexing (flexometer-test)	EN ISO 5402; DIN 53351
Flexual stiffness	DIN 53350, VDA 230-209
A3) Fastness and resistance properties Rub fastness (dry, wet, sweat)	EN ISO 11640; DIN 53339*
Sweat fastness / resistance to transpiration	EN ISO 11641; DIN EN ISO 105-E04
Sea water resistance	EN ISO 105-E02
Light fastness tests	EN ISO 105-B02; DIN 54004*
Hot light fastness tests, hot light ageing	VDA 75202; DIN 75202*; ISO 105-B06; PV 1303
Suntan lotion resistance	PV 3964
A4) Adhesive strength, abrasive wear properties
Finish adhesion	EN ISO 11644 / PV 3354; IUF 470
Abrasion resistance (crockmeter test)	EN ISO 105-X12; ISO 20433
Abrasive wear properties (taber test)	EN ISO 17076-2; DIN 53109; ASTM D 3884
Abrasive wear properties (martindale test)	EN ISO 12947; VDA 230-211
A5) Soiling and cleaning behaviour
Soiling and cleaning properties	VDA 230-212
Cleaning properties	Volkswagen PV 3356; DBL 5399
Oil resistance	AATCC 118
Water alcohol-drop test	3M method
A6) Behaviour to water / water vapour permeability
Water resistance, water permeability	EN ISO 5403; EN ISO 20344; DIN 53330*; EN 344-1*
Water absorption testing	EN ISO 2417 (Kubelka); DIN 53330*; IUP 7 according to Freundlich
Water vapour permeability	EN ISO 14268; DIN 53333*; Herfeld method
A7) Thermal properties, climate test, ageing behaviour, burning behaiour
Ageing and thermal resistance	RAL GZ 430 (upholstery leather)
Hydrolysis ageing	VDA 230-208
Heat ageing	according to customer requirements
Heat resistance	TL 52064
Shrinking behaviour	TL 52064; PV 1200; DBL 5310; PTL 5002; BMW PA-N 123 and others
Burning behaviour, flammability test	DIN 75200 / FMVSS 302; TL 1010; DBL 5307
A8) Weitere physikalisch-mechanische Prüfungen an Leder und Kollagen
Full grain (test for corrected grain)	FILK-QMA 1201
Loose grain effect	VDA 230-205
Stick-slip-test (sqeaking behaviour)	VDA 230-206
Genuine leather (rating)	RAL 060 A2
Type of leather
Microscopy, photography	light microscopy, SEM, digital camera
Surface profile, topography, roughness	optical 3D profilometer, mechanical profilometer
B) Chemical-analytical tests and analysis (assortment) B1) Contents and chemical parameters
Volatile substances	EN ISO 4684; DIN 53304*
Ashes (total, sulphated /water insoluble, sulphated)	EN ISO 4047; DIN 53305*
Fat content (dichloromethane extract)	EN ISO 4048; DIN 53312*
PH-value determination	EN ISO 4045; DIN 53312*
Water soluble substances / elution	EN ISO 4098; DIN 53307*
Chromium oxide content	EN ISO 5398-1 (chrome leather); EN ISO 5398-2 (FOC-leather); DIN 53309*
Collagen content	FILK-QMA 2003 (hydroxyproline method)
Amid nitrogen detection	FILK-QMA 2013
Total nitrogen content	DIN 53308*
Chloride	FILK-QMA 2015
Aldehydes (e.g. formaldehyde, acetaldehyde, glyoxal, glutaraldehyde)	EN ISO 17226
B2) Emissions and odour
Total carbon emission (TVOC)	VDA 277
Thermal desorption	VDA 278
Formaldehyde emission	VDA 275
Odour	VDA 270 and others
Fogging	DIN 75201 and others
Please, get more detailed information on our extensive test and analysis services in field of emissions and odour at our emission tests pages.
B3) Hazardous substances in leather and collagen
Formaldehyde content	EN 17226-1 (HPLC)  EN 17226-2 (colorimetry); DIN 53315*
Formaldehyde in leather auxiliaries
Acetaldehyde, other on enquiry	EN 17226-1 (HPLC)
Chromium VI content	EN ISO 17075; DIN 53314*
Chromium VI content in chrome tanning agents
Azo dyes	DIN 17234; DIN 53316*
Pentachlorophenol / chlorinated phenols (PCP, TriCP, TeCP)	ISO 17070; DIN 53313*
Biocides (TCMTB, OIT, CMK, OPP)	Tegewa method / in-house method
Heavy metal, contents	ISO 17072-2
Heavy metal, elutable	ISO 17072-1
*invalid standard

Tests according to technical specifications of the automotive industry and others:

- Complete tests AUDI/VW TL 52064, VW 50103, VW 50104, VW 50180

- Leather testing Opel TM 900400, TM 900600, TM 900700

- Daimler-Chrysler DBL 5306, DBL 5310

- BMW 8171 302.6, QV 51033 et al.

- Porsche PTL 5202, PN 780

- Leather test according to guidelines of the German Federal Armed Forces: TL 8330

  among e.g.: 
  Shoe upper and lining leather (TL 8330-0001)

  Sleek and harness leather (TL 8330-0003)

  Glove leather (TL 8330-0006)
  Garment leather (TL 8330-0007)

  Chrome split leather (TL 8330-0009)
  Water-proof leather (TL 8330-0010)

  Latchet leather, edging leather (TL 8330-0016)
  Counters (TL 8330-0018)

  Hazardous substances (TL 8330-0013-A)

More tests and prices on request

Overview test lab / contact

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