Hydrochromic Material
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    Water color effect chart

A. INTRODUCTION

This material is one that change color when humidity increased. The color is reversible or irreversible.

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B. PRODUCT DESCRIPTION                           

a. The nature color of reversible ink is white. As long as the ink encounters water , it becomes transparent and shows up the button color. When the moisture evaporated , it becomes nature color.

b. The color of irreversible ink:Red , Yellow , Blue , Green , Black. As long as the ink encounters water , all the patterns or characters will become dimmed . When the moisture evaporated , all the patterns or characters can not reverse. The ink is used for printing label to detect if the electronic components (instrument) are affected with damp. 

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