1. Heat resistance PVC, PE pigment temperature 160-180 degrees Celsius ABS, PS pigment temperature 250-280 degrees Celsius Conical Canopy,Conical Mosquito Net,Hanging Conical Canopy,Decorative Conical Canopy Valuable Textile Co.,Ltd. , https://www.vbcanopies.com
The pigments of PP, PA and PET have a temperature resistance of 280 degrees or more. Generally, the heat resistance time of the pigment is required to be 4 to 10 minutes. Generally, the higher the use temperature, the shorter the heat resistance time. Indigo blue pigment temperature 325 degrees Celsius, 10 minutes discoloration
2. The migration resistance of migrating pigments means that the colored plastic products are in contact with other solids, liquids, gases, etc., for a prolonged period of time or in a specific environment, and may undergo physical and chemical interactions with the above substances. The pigment migrates from the interior of the plastic to the free surface of the article or migrates into the adjacent plastic or solvent.
Resistance migration rating
Level 1 Level 2 Level 3 Level 4 Level 5 Severe migration Significant migration Significant migration Minor migration No migration
3. Most inorganic pigments have good lightfastness.
4. Weather resistance refers to the color stability of a pigment under natural conditions.
5. Titanium Divided into: Anatase (A) Titanium Dioxide Rutile (R) Titanium Dioxide Titanium Dioxide can improve hiding power, weather resistance, fade resistance, etc. ~~~
When the concentration of titanium dioxide is low, the whiteness of PP increases with the increase of its content. When the concentration exceeds 1.5%, the whiteness no longer rises. From 1% to 8%, the whiteness increases by 2.8%, which indicates that the concentration exceeds a certain concentration. After the range, increasing the amount of titanium dioxide does not improve the whiteness. In order to further improve the whiteness, fluorescent whitening agents can be used, and only a very small amount of fluorescent whitening agents can significantly increase the tinting strength of titanium dioxide.
Titanium dioxide, alias: Titanium Dioxide Titanium Dioxide allows plastics to efficiently scatter visible light to impart whiteness, brightness, and opacity.
The concentration of titanium dioxide in PP\\\\ ABS is 1%; in PVC it ​​is 4%; as the amount of titanium dioxide increases, the hiding power gradually increases, and when the concentration is greater than 8%, it tends to balance.
Under normal circumstances, the finer the titanium dioxide particles, the higher the coloring power and the stronger the hiding power.
6. Cadmium yellow has strong coloring power, excellent light and weather resistance, no migration, no bleeding (toxic paint). This product can be used as a plastic yellow colorant, its bright color, excellent light resistance, heat resistance, solvent resistance, water resistance and alkali resistance is also good, but not acid, coloring, hiding power is not too high.
7. Ultramarine has the function of whitening and tinting, it can remove the yellow light in white products.