Description
Thermochromic stickers, using PET release film as substrate . Can be applied for cotton, Polyester, etc.
It uses special thermochromic powder and imported Polyurethane/PU paste.Under 28-31℃, it presents as thermochromic color, but when it is higher than 28℃, it will present the second layer color. can be washed 40-60times, 30mins/time.
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