Projekta Nr.ISO 13468-2:1999
Nosaukums<p>This part of ISO 13468 covers the determination of the total luminous transmittance, in the visible region of the</p> <p>spectrum, of planar transparent and substantially colourless plastics, using a double-beam scanning spectrophotometer.</p> <p>This part of ISO 13468 cannot be used for plastics which contain fluorescent materials.</p> <p>This part of ISO 13468 is applicable to transparent moulding materials, films and sheets not exceeding 10 mm in</p> <p>thickness.</p> <p>NOTE 1 Total luminous transmittance can also be determined by a single-beam instrument as in part 1 of this International</p> <p>Standard.</p> <p>NOTE 2 Substantially colourless plastics include those which are faintly tinted.</p> <p>NOTE 3 Specimens more than 10 mm thick may be measured provided the instrument can accommodate them, but the</p> <p>results may not be comparable with those obtained using specimens less than 10 mm thick.</p>
Reģistrācijas numurs (WIID)22056
Darbības sfēra<p>This part of ISO 13468 covers the determination of the total luminous transmittance, in the visible region of the</p> <p>spectrum, of planar transparent and substantially colourless plastics, using a double-beam scanning spectrophotometer.</p> <p>This part of ISO 13468 cannot be used for plastics which contain fluorescent materials.</p> <p>This part of ISO 13468 is applicable to transparent moulding materials, films and sheets not exceeding 10 mm in</p> <p>thickness.</p> <p>NOTE 1 Total luminous transmittance can also be determined by a single-beam instrument as in part 1 of this International</p> <p>Standard.</p> <p>NOTE 2 Substantially colourless plastics include those which are faintly tinted.</p> <p>NOTE 3 Specimens more than 10 mm thick may be measured provided the instrument can accommodate them, but the</p> <p>results may not be comparable with those obtained using specimens less than 10 mm thick.</p>
StatussAtcelts
ICS grupa83.080.01