ASTM D5215是烯基地板用膠黏劑著色的儀器評(píng)定的試驗(yàn)法,本標(biāo)準(zhǔn)是于1993年被采用,并且于2012年重新復(fù)審的:
1.1ASTM D5215描述準(zhǔn)確測(cè)量由于接觸膠粘劑而發(fā)生在乙烯基地板染色程度的過程和方法。乙烯基地板樣品接觸膠粘劑和未接觸到粘合劑之間顏色差異可以從CIELAB顏色刻度測(cè)得。
1.2本試驗(yàn)方法提供了可能出現(xiàn)的乙烯基地板接觸膠粘劑染色過程中的視覺評(píng)價(jià)。
Certain substances in adhesives may cause discoloration of vinyl flooring. This test method provides a means of measuring the discolorations that may occur in the vinyl as a result of contact with these adhesives. Vinyl flooring specimens, either contacting or not contacting the adhesive, are exposed to heat and UVA light to accelerate discoloration. By means of colorimeter
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