... a visual measurement of color matching to determine materials color device. It designed in conformity with internationally accepted color ... , Colloid, Solid, Powder, etc. It can be widely applied to Plastic, Textile, Foods, Marmalade, Resins, Spices, Rubber, etc ... is suitable for non-transparent materials.Characteristics:² Compact in Size & Novel in Design.² Succinct Operation & Visual Digit Display.² ...