Irreversible Photochromic Material. A material can change color when expose to uv light and the color won’t change back. 
THERMOCHROMIC MATERIAL Change color with temperature. 
FRAGRANCE MICROCAPSULE MATERIAL Long lasting microcapsules release fragrance longer than six months. 
LONG LASTING GLOW IN THE DARK MATERIAL Store light and heat from conventional sources, and glow in the dark. 
INVISIBLE FLUORESCENT MATERIAL It is white or invisible under conventional visible light and appears colorful fluorescence under UV/IR light.Question ? Please go to
The Effect of Thermochromic PD(0.5g) in mixture solvent(10g)
TM-PD 31C Blue and Red
Mixture Solvent=Butyl Acetate(44.5g):Ethyl Acetate(16.5g):Isoprpyl Acohol(6g)
Download TM-PD_31C_Blue_and_Red_solvent
Due to different formulations, the original (before changing) color and density of the thermochromic products with same color but different activation temperatures are not exactly the same.
To insure best quality, some of the thermochromic products have been adjusted as followed:
Products: Dark Blue; C. Green; T. Blue, and Brown
Expiration Date: Best if used within 6 months
Minimum Order Quantity: 1 kg
Acceptable Order Quantity: 1kg, 1.5kgs, 2kgs….etc., in increments at 0.5 kg intervals The order quantities falling between 0.5 kg intervals (ex. 1.3kgs) will be accepted only when inventory is plenty enough.
