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【Introduction】
DM821 colorless to gold is an angle color-changing pigment. It is nearly colorless when viewed from the front and it flashes gold when viewed from the side. This material is composed of mica with different thicknesses, and it can realize multi-layer reflection and refraction. This color-changing pigment has a small average particle size, and it is easily dispersed.It has good light resistance, heat resistance, acid resistance, alkali resistance and chemical solvent resistance, and it is suitable for making various high-end inks and coatings. This pigment is widely used for anti-counterfeiting printing and packaging for cosmetics, frozen drinks, tobacco and alcohol, mobile phones, aluminum ceilings and other products. It is also used in daily necessities, handicrafts, product labels, textile printing and other industries.
【Physical properties】
Appearance color: light yellow powder
Average particle size: ﹤15um
density/specific gravity： 2.9 g/ml
Oil absorption (DBP): 40-50 cm3/100g pigment
Thermal stability: Does not decompose below 780℃
PH value: 7.0—9.0
【Application characteristics】
When mading inks, coatings or cosmetics with DM821, it does not require grinding and can be dispersed directly. The dispersion speed should not be too high is generally less than 900r/min.
When manufacturing inks, the addition amount is 10%--25%; when manufacturing coatings, the addition amount is 8%--18%; when manufacturing cosmetics, the addition amount is 5%--15%.
【Packaging specifications】
1KG/bag，5KG/bag，25KG/ballet
【Storage and shelf life】
Store in a cool, dry and ventilated place, avoid sunlight as much as possible, and keep away from fire sources and organic solvents. The shelf life is 24 months in an unopened state. After the shelf life is exceeded, it can be used after passing the test.
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