Projekta Nr.ISO 877-3:2026
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method for exposing plastics to concentrated solar radiation using reflecting concentrators to accelerate the weathering processes. The purpose is to assess property changes produced after specified stages of such exposures. The reflecting concentrators used in these exposures are sometimes referred to as “Fresnel reflectors” because, in cross-section, the array of mirrors used to concentrate the solar radiation resembles the cross-section of a Fresnel lens.</span></p> <p class="MsoBodyText"><span lang="EN-GB">General guidance concerning the scope of the ISO 877 series is given in ISO 877-1.</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">            </span>Additional information about solar concentrating exposures, including a partial list of standards in which they are specified, is given in the Bibliography.</span></p>
Reģistrācijas numurs (WIID)88062
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method for exposing plastics to concentrated solar radiation using reflecting concentrators to accelerate the weathering processes. The purpose is to assess property changes produced after specified stages of such exposures. The reflecting concentrators used in these exposures are sometimes referred to as “Fresnel reflectors” because, in cross-section, the array of mirrors used to concentrate the solar radiation resembles the cross-section of a Fresnel lens.</span></p> <p class="MsoBodyText"><span lang="EN-GB">General guidance concerning the scope of the ISO 877 series is given in ISO 877-1.</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">            </span>Additional information about solar concentrating exposures, including a partial list of standards in which they are specified, is given in the Bibliography.</span></p>
StatussStandarts spēkā
ICS grupa83.080.01