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環(huán)保水性 無機氧化鐵橙色漿顏料 TLW-7200
ng the Property of Pigments


1.耐光性試驗 Teshing of Light Fastness


取各色別之試片裁剪成適當之長寬,放置于Fade-O-Meter中照射,區(qū)分3-400小時取出,其結果對照


Blue Scale 1-To-8標準色卡之級數判定耐光程度優(yōu)劣,8級最佳(不變色),1級最差(嚴重變色)。


Cutting various pieces of color pattern sheets to suitable sizes,then put them into the Fade-


O-Meter for light exposure,and to divide the time of exposure to be in the range of 3-400 ho-


urs. Afterward,take out the test pattern sheets to assess their degrees of color fading and dis-


coloration against a standard Blue Scale which is assigned to value form 1 to 8. Grade 8 is the


excellent(color will not be changed),grade 1 is very poor (color is shanged severly).


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