Nanometer SiO2(dope) can improve the re-attrite, intensity, rigidity of paint effectively. It occurs as a white powder. The dope containing nanometer silicon dioxide (VK-SP30T) have good anti-pollute capability and easy to construct. Adding some nanometer silicon dioxide in dope, the anti-aging capabilities of dope can improve from 250 hours to 600 hours. Its re-attrite capability can also increase more than ten times, drying time can shorten greatly.
More about its functions:
1.To add 0.5-1% of nano SiO2 in dope can greatly improve the thickening property and thixotropy.
2.Nanometer silicon dioxide has excellent waterproof and dustproof property so it can
greatly improve the self-cleaning ability of dope.
3.The ageing resistance of dope can be improved greatly because nano SiO2 has good uviolresistance
4.Nano SiO2 can greatly improve the toughness of dope because of its special reticulat structure.
5.After adding nano SiO2, the dope have perfect adhesion strength, antiseptic property, compactness and waterproof performance.
Some experiences have proved that the rigidity, adsorbent, hot stability and anti- depositing property of dope can be improved well when we add 2% nanometer silicon dioxide (VK-SP30T).So the propositional dosage of nanometer silicon dioxide (VK-SP30T) is 0.5-2%.But some special products may add more than 10%,you should adjust the additive percent according to your system.
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