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環(huán)保水性 無機(jī)氧化鐵橙色漿顏料 TLW-7200
后取出,觀察


其變色程度,5級(jí)最佳(不變色),1級(jí)最差(嚴(yán)重變色)。


Cutting various pieces of color pattern sheets to suitable sizes,Take desired piece dip in into


the bath of 5% HCl or 10% NaOH for 24 hours,then take them out to assess their degree of


color fading. On a comparison scale,Grade 5 is the excell ent and grade 1 is the worst.





顏料物性檢驗(yàn)分級(jí) Scale for Assessment of Physical Property of Pigment


1.耐光性Light Fastness


耐光性堅(jiān)牢度分為8級(jí),8級(jí)代表耐光性最佳(不變色),1級(jí)代表耐光性最差(嚴(yán)重變色)。


Light Fastness is assessed on 1 to 8 grade,grade 8 is the Exellent,grade 1 is very poor.



Blue scale for Light Fastness

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