UL Standard Testing Methods

UL Test Methods include but may not be limited to:

*Mechanical
*Rheological
*Heat Resistance
*Thermal Analysis
*Physical
*Electrical Test Methods
*Combustion (Fire)
*Thermal Aging
*Weathering
*Optical
*Chemical Resistance
*Shrinkage
*Climate Testing

-There is a range of standardized tests within each of the above categories, each assigned their own “UL Standard”.

-One component of a design can have a UL Rating such as a connector housing for example.

-A “finished product” must meet individual and overall design standards to be UL qualified.

-UL Rated products are not invincible, they abide within certain safety standards, and overall safety of the product will still rely on proper manufacture and assembly of the product, along with proper end usage of the product.

See Also:
https://www.ulttc.com/en/solutions/test-methods.html

Common UL Specifications

Tensile test

ISO 37
ISO 527
ASTM D638
High Speed Tensile test
In-house standard
Bending test
ISO 178
DIN 53457*
ASTM D790
Impact test
Izod
ISO 180
ASTM D256
Impact test
Charpy
ISO 179
DIN 53453*
ASTM D256
Penetration test
ISO 6603-2
Ball indentation
ISO 2039-1
Rockwell hardness
ISO 2093-2
ASTM D785
Shore A and Shore D
ISO 868
ASTM D2240
DIN 53505*
Tensile Impact test
ISO 8256
Tear Propagation/Separation/Shear/Take-off tests
DIN 53515*
DIN 53363
DIN 53507*
ISO 34-1
ASTM D1004
ASTM D1938
ASTM D624
Compression test
(max. 10 kN) ISO 604
DIN 53454/53457*
ASTM D695
Shear test
ASTM D732
Tensile Creep test
ISO 899-1
DIN 53444*
ASTM D2990
Melt index
Melt mass flow rate (MFR)
Melt volume flow rate (MVR) ISO 1133-1
ISO 1133-2
ASTM D1238
Melt index: Intrinsic melt mass flow rate (IMFR) ISO 1133
Melt index: Intrinsic melt volume flow rate (IMVR) ISO 1133
Melt viscosity
ISO 11443
DIN 54811*
Solution viscosity
(with/without film) ISO 1628-1/-4
ISO 1628-4
DIN 51562-3
Oscillatory shearing
(rotational rheometer)
e.g. zero shear viscosity, frequency sweep, thermal stability ISO 6721-10
ASTM D4440
Special rheological tests
Capillary and rotational rheometer
Vicat
ISO 306
ASTM D1525
Heat distortion temperature
ISO 75-2
ISO 75-3
ASTM D648
JIS K7207
Thermo-mechanical analysis
(TMA) DIN 51005
DIN 53752
Differential scanning calorimetry
(DSC) DIN 51005
DIN 53765
Thermogravimetric analysis
(TGA) DIN 51006
DIN 51005
Torsion pendulum test
ISO 6721
DIN 53445
Ball pressure test
IEC 60695-10-2
VDE 0471 Part 10-2
EC 60335-1
NanoFlash™ test method
ASTM E1461 Active
EN ISO 22007 - 1:2017
(NanoFlash-Light)
Glass fibre content ISO 3451
Ash content ISO 3451
Determination of density
ISO 1183-1
DIN EN ISO 845
DIN 53479
DIN EN ISO 60
Determination of water content
DIN EN ISO 15512
Conditioning ISO 1110
Climate testing DIN EN ISO 1110
DIN ISO 471
DIN IEC 60212
DIN 50005
Water absorption ISO 62
Scratch resistance
In-house standard
Dielectric characteristics
IEC 62631-2
VDE 0303-4
ASTM D150
Electrostatic charging In-house standard
Electical resistance: Surface resistivity
IEC 62631-3
ASTM D257
UL 746A
Electical resistance: Volume resistivity
IEC 62631-3
ASTM D257
Dielectric strenght
IEC 60243-1
ASTM D149
CTI/tracking
ASTM D3638
CTI/tracking
IEC 60112
Arc resistance
IEC 61621
ASTM D495
VDE 0303-70
Corrosion
IEC 60426
VDE 0303-6
High voltage tracking resistance
IEC 60587
ASTM D2303
Flammability
UL 94 HB
UL 94
IEC 60695-11-10A
UL 94 V
UL 94
IEC 60695-11-10B
UL 94 5V
UL 94
IEC 60695-11-20
UL 94 VTM
UL 94
ISO 9773
UL 94 HBF
UL 94
ISO 9772
ASTM D 4986
Limiting oxygen index
LOI
ISO 4589-2
Electrical ignition source
GWEPT
IEC 60695-2-11
GWFI
IEC 60695-2-12
GWIT
IEC 60695-2-13
HWI
ASTM D 3874
UL 746A
IEC 60695-2-20
Needle-flame test
IEC 60695-11-5
Ash content
ISO 3451-1
Rapid ash (in-house standard)
Fire test methods – Automotive
Standards
Standards and ratings
Interior fittings US-FMVSS 302
DIN 75200
ISO 3795
TL 1010
Fuel lines PV 3343
Insulating materials PV 3357
Hot-Air Aging (RTI)
DIN EN 60216-1 (IEC 60216-1)
VDE 0304
UL 746B
Water Exposure
UL 746C
Xenon-WOM
(CI apparatus) ASTM G26 modified
ASTM G151
ASTM G155
DIN EN ISO 4892 - 2
SAE J2412 (J1885)
SAE J2527 (J1960)
VDA 75202
Xenotest® High Energy
(alpha) DIN EN ISO 4892 - 2
DIN EN 50014
BSHG-test
UV Test
(fluorescence tester)
DIN EN ISO 4892 - 3
Automotive testing
Various customer specifications
Outdoor weathering
Various locations
Water Absorption
ISO 62
ISO 1110
Gloss index
ASTM D523
ISO 2813
Color measurement
DIN 5033
DIN 5036
DIN 6174
ASTM E308
ASTM E179
ISO 13468
ASTM E313
UV/VIS/NIR Measurement
Haze Measurement
DIN 5036
ASTM D1003
ASTM E179
ISO 13468
Gray Scale Determination
ISO 105-A02
ESC, Bent Strip test
DIN EN ISO 22088-3
EN ISO 4599
DIN 53449-3
Internal stresses PC ATI 104/86
Petrol test (isooctane/toluene)
Fuel resistance DIN 51604-1
DBL 5416
Media aging, no load DIN 53521
ISO 175
ISO 294-4
ASTM B117
DIN 50021
DIN EN ISO 7253
DIN EN 9227
ISO 11503
or equivalent standards