| Onderzoek |
Norm |
|
|
| Leather Physical-mechanical tests and analysis |
|
| Dimensions / general material properties |
| Thickness |
EN ISO 2589; DIN 53326* |
| Surface coating thickness |
EN ISO 17186 |
| Apparent density |
EN ISO 2420; DIN 53327* |
| (grammage / area mass) |
| |
|
| |
| 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) dry |
EN ISO 5402; DIN 53351 |
| Resistance to flexing (flexometer-test) wet |
EN ISO 5402; DIN 53351 |
| Flexual stiffness |
DIN 53350, VDA 230-209 |
| |
|
| |
|
| 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 |
| |
|
| |
| 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 |
| |
|
| |
| 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 |
| |
|
| |
| 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 |
| |
|
| |
| Thermal properties, climate test, ageing behaviour, burning behaviour |
| 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 |
| |
|
| |
| Physical-mechanical tests and analysis |
| Full grain (test for corrected grain) |
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 |
In house methode |
| Microscopy, photography |
light microscopy, SEM, digital camera |
| Surface profile, topography, roughness |
optical 3D profilometer, mechanical profilometer |
| Cold crack Resistance (**) |
EN ISO 17233 |
| Hydrolyse onderzoek |
In house methode |
| Buig test (***) 1 Buiging |
EN ISO 1876-1 |
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