Testing of leather, leatherboards, collagenous materials

We test for you the following single parameters:

Physical-mechanical tests and analyses (assortment)

1) General material properties / dimensions

Thickness DIN EN ISO 2589; IUP 4; GME 60303;
ASTM D 1813; ASTM D 1814; DIN 53326*
Surface coating thickness DIN EN ISO 17186; VDA 230-204; ASTM D 1813
Apparent density DIN EN ISO 2420; ASTM D 2346; DIN 53327*
Grammage, area mass GME 60301; GMW 3182

2) Tensile, extension and flexual properties

Tensile test
(tensile force, breaking elongation)

DIN EN ISO 3376; IUP 6; ASTM D 2208;
ASTM D 2209; GME 60382; GMW 3010;
PSA D41 1029; DIN 53328*
Extension and relaxation properties
(statical elongation, irreversible elongation)
DIN EN ISO 17236; DIN 53360; ASTM D 2211
Resistance to stretch and set VW TL 52064; PV 3909; GME 60305; GMW 3211
Resistance to grain cracking DIN EN ISO 3378; DIN 53324*
Tear load (single edge tear) DIN EN ISO 3377-1; ASTM D 4704; GME 4093; DIN 53329*
Tear load (double edge tear) DIN EN ISO 3377-2; IUP 8; ASTM D 2212
Stitch tear resistance DIN EN ISO 23910; ASTM D 4705; ASTM D 4786; DIN 53331*
Stress-strain behaviour, bursting test (tensometer) DIN 53323
Distension and strength of grain
(ball bursting test)
DIN 53325; ISO 3379
Bagginess, creep and relaxation DIN CEN TS 14689
Resistance to flexing (flexometer test) DIN EN ISO 5402; DIN 53340; DIN 53351; IUP 20; VW TL 52064; ASTM D 6182
Flex cracking test DIN 53359
Bending force, bending stiffness DIN EN ISO 14087; VDA 230-209; DIN 53121;
DIN 53350; GMW 3390
Softness (BLC softness test) DIN EN ISO 17235; GMW 14134; GME 60359

3) Fastness and resistance properties

Rubbing fastness (dry, wet, sweat) DIN EN ISO 11640; IUF 454; GMW 14125 (Linear Abrasion Tester); DIN 53339*
Abrasion resistance (crockmeter test) DIN EN ISO 105-X12; DIN EN ISO 20433;
AATCC 8; ASTM D 5053
Sweat resistance, resistance to transpiration DIN EN ISO 11641; DIN EN ISO 105-E04;
DIN EN ISO 53160-1; MS-JK-4000; GMW 14296; BMW AA-N 061; BMW AA 0567; BMW PA-N 128
Water resistance DIN EN ISO 11642; VW TL 52064; VW 50103
Sea water resistance DIN EN ISO 105-E02
Light fastness test DIN EN ISO 105-B02; DIN EN ISO 105-B05;
DIN EN ISO 11643; DIN 54004*
Hot light fastness, hot light ageing VDA 75202; DIN EN ISO 105-B06; VDA 230-216; PV 1303; DIN 75202*
Fastness to migration, leather staining DIN EN ISO 15701; DIN 53343*
Cream resistance PV 3964; PAPP PWT 7328
Resistance to insect repellent DIN EN ISO 11640; GMW 14074

4) Adhesive strength, abrasive wear properties

Finish adhesion DIN EN ISO 11644; PV 3354; IUF 470;
ASTM D 6182; GMW 15717
Loose of grain VDA 230-205
Abrasive wear properties (taber test) DIN EN ISO 17076-1; DIN EN 14327; DIN 53109; VW TL 52064; SAE J 948; ASTM D 3884;
ASTM D 7255; BMW PA-N 106; GMW 3208;
MS 300-32; FLTM BN 108-02
Abrasive wear properties (martindale test) DIN EN ISO 17076-2 (Kugelplatte); DIN EN ISO 12947; DIN EN ISO 17704; DIN EN ISO 20344; VDA 230-211; BMW AA 0412; BMW AA-N 070

5) Soiling and cleaning behaviour

Soiling and cleaning properties DIN EN ISO 26082-1 (Martindale); VDA 230-212; VW TL 52064; PV 3356; PV 3968; DBL 5399;
GMW 3402; GMW 15377; BMW TL 9169300;
BMW AA 0419; BMW AA-N 071;
VOLVO TC 85000145
Oil resistance, penetration behaviour AATCC 118; VW TL 52064; BMW AA 0566;
BMW PA-N 124; BMW AA-N 060
Water-alcohol drop test 3M-Methode; VDA 230-216

6) Behaviour to water, water vapour permeability

Water resistance of flexible leather
(penetrometer test)
DIN EN ISO 5403-1; IUP 10; DIN EN 13518;
DIN EN ISO 5403-2 (Maeser); DIN EN ISO 20344; DIN 53338*; DIN EN 344-1*
Static water absorption testing DIN EN ISO 2417 (Kubelka); DIN EN ISO 17229; DIN EN 420; DIN 53330*; IUP 7; Prüfung nach Freundlich (LGR); ASTM D 1815
Water penetration pressure, water repellency DIN EN ISO 5404; DIN EN 14289; DIN EN ISO 17231
Water vapour permeability DIN EN ISO 14268; DIN EN ISO 20344; DIN 53333* (Herfeld)
Fastness to water spotting DIN EN ISO 105-E07; DIN EN ISO 11642; DIN EN ISO 15700; IUF 420; GMW 14102; GM 9133P

7) Thermal properties, climate test, ageing behaviour, burning behaiour

Accelerated aging test RAL-GZ 430 (Möbelleder); DIN EN ISO 17228
Hydrolysis aging VDA 230-208; BMW AA 0420; BMW AA-N 073; BMW TL 9169300
Heat aging, heat resistance VW TL 52064; DBL 5310; TM 900600; TM 900400; GMW 14124; AK LV 111
Shrinking behaviour
(climate change test)
DIN EN ISO 17130; DIN EN ISO 17227; VW TL 52064; PV 1200; PTL 5202; PPV 5002; DBL 5310; BMW PA-N 123; BMW PA-N 129;
BMW AA-N 059; BMW AA-N 062; BMW AA 0565; AK LV 111; GMW 4217; GMW 14124
Shrinkage temperature DIN EN ISO 3380; ASTM D 6076; DIN 53336*
Cold crack temperature DIN EN ISO 17233; TM 900700; IUP 29;
GMW 14127; DIN 53361
Burning behaviour, flammability test DIN 75200; FMVSS 571.302; VW TL 1010;
DBL 5307; PTL 5202; DIN EN 1021 (Möbelleder)

8) Further physical-mechanical tests of leather and collagenous materials

Full grain (test for corrected grain) FILK-QMA 1201
Loose of grain, loose grain effect VDA 230-205; BS 5131
Air permeability (perforated leather) DIN EN ISO 9237; PV 3358
Squeak behaviour (stick-slip test) VDA 230-206 (Teil 1 und 2); BMW TL 9169300; BMW PR 310; FORD CETP 01.05-L-400
Friction behaviour DIN EN ISO 8295
Wicking test SATRA TM 305
Leather genuineness (predicate) RAL 060 A2
Type of leather DIN EN ISO 17131
Terminology, designation DIN EN 15987; DIN EN 16223; ASTM D 1517
Tanning VESLIC E 1110

*invalid standard

More tests and prices on request.