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gme 60292_2000標(biāo)準(zhǔn)介紹1 scopethis test method shall be used for determining thecolour fastness to artificial light of dyes, prints, paintson organic materials of the interior trim (textiles, films,artificialleather, plastics, cardboard, wood etc.) by exposure to artificial light representative of natural daylight and to the simultaneous action of heat.this testmethod is valid to determine the colour fastness whenusing a xenon arc lamp source of light.
note:nothing in the specification, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
note: in the event of a conflict between the englishａnd the german language, the german languageshall take precedence.
1.1 definition.colour fastness to artificial light is ameasure of the resistance of colourants(dyes, pigments etc.) of any type of organic materials in anyprocessing state to the effects oflight and heat.
2 referencesnote:only the latest approved standards are applicable unless otherwise specified.
2.1 normative.
s0 105-a02 is0 105-b01 is0 105-b02 is0 4892-1 din 75202
2.2 gm.none
2.3 additional. cie technical report no. 85, edition 1989
3 testequipment3.1 light source and filter system. the lightsource is equipped with one or more xenon arc lampsas the source of radiation. the radiation shall befiltered for determination of the colour fastness andthe aging of materials for vehicle interior resulting ofexposition to light by high temperatures.therefore anoptical filter system is used. applicable are absorbingfilters or a combination of absorbing and reflectingfilters.
independently of the type of filtration compliance withthe conditions listed in table l is required for thespectral distribution of the radiation, which is existingin the plane of the test piece. the values resultfrom the spectral distribution of the global radiationaccording to cie technical report no. 85, table 4(edition 1989) and the transmission of window glass of 4 mm thickness.
table 1 : spectral irradiation intensity
wave length / nm
relative irradiation intensity(note 1)/%
below 290
0
below 300
<0.05
280…320
<0.1
320…360
3±0.85
360…400
5.7+2.0/-1.3
400…520
32.2+3.0/-5.0
520…640
30.0±3.0
640…800
29.1±6.0
to 800
100
note1 :referred to the irradiation intensity in the wave length range up t0 800 nm
the radiation power shall be chosen such, that theconditions to table 2 are met.
the variation of the irradiation intensity over the areacovered by the test pieces and references of thecolour fastness standard shall not exceed ±10 % ofthe mean. the optical systems of radiation filters tobe used are described in appendix a.
remark: due to aging of xenon arc fading lamps andoptical filters the radiation function and the irradiationintensity is changing with the operation time. the radiation function and the irradiation intensity will stayconform if the lamps and the filters are replaced according to manufacturer recommendation. the irradiation intensity may be also kept constant by a control.
3.1.1 exposure apparatus.the used exposure apparatus shall consist of a climatic chamber made fromcorrosion resistance material, which contains the lightsource, the filter system and the frame holder for thetest piece. the supplier of the exposure apparatusshall insure, that the exposure apparatus fulfills theconditions of table 1 and table 2.
3.2 black-standard thermometer. a black-standard thermometer is used to determine the temperature in the exposure apparatus at the place of the testpiece. this black-standard thermometer consists of aplain metal plate, measuring about (70 x 40) mm2 andwith a thickness of about 0.5 mm, whose temperatureis measured by a re