Brief introduction: American AATCC original imported colorimetric card, divided into 9 levels, also known as "AATCC 9-level color shift card", AATCC color transfer gray card, AATCC six-color nine-level card, AATCC standard nine-level colorimetric card, used for color transfer or Visual evaluation of staining degree, 5 hues (red, yellow, green, blue, purple), 60 color circles. AATCC Evaluation Method P8. Techincal specifications: Product specifications: 1 book/set Place of production: United States Standard for: AATCC evaluation method P8
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