Feature
White silica dioxide powder is commonly used in elastic coatings for its excellent properties. It is a fine, white powder
composed of silica dioxide, also known as silica or silicon dioxide. Silica dioxide is a naturally occurring mineral that is
found in abundance in the Earth's crust.
In elastic coatings, white silica dioxide powder is used as a filler or additive to enhance the performance and properties
of the coating. Some of the key benefits of using white silica dioxide powder in elastic coatings include:
1. Reinforcement: Silica dioxide powder acts as a reinforcing agent, improving the mechanical strength and durability of
the coating. It helps to prevent cracking, chipping, and peeling of the coating due to its high hardness and abrasion resistance.
2. Thixotropy: White silica dioxide powder can impart thixotropic properties to the coating, which means it becomes less
viscous under shear stress but returns to its original viscosity when the stress is removed. This allows for easier application
and better coverage of the coating on various surfaces.
3. Moisture resistance: Silica dioxide powder is hydrophobic, meaning it repels water and resists moisture absorption. This
property helps to protect the coating from degradation and damage caused by moisture, such as mold and mildew growth.
4. UV resistance: White silica dioxide powder has excellent UV resistance, which helps to prevent the coating from yellowing
or degrading when exposed to sunlight. This property ensures the longevity and color stability of the coating.
5. Chemical resistance: Silica dioxide powder is resistant to many chemicals, acids, and alkalis, making it ideal for applications
where the coating may come into contact with corrosive substances. It helps to protect the substrate and maintain the integrity
of the coating.
6. Easy dispersion: The fine particle size and low agglomeration of white silica dioxide powder allow for easy dispersion in
the coating formulation. This ensures uniform distribution of the powder throughout the coating, resulting in consistent
performance and appearance.
Overall, white silica dioxide powder is a versatile and valuable ingredient in elastic coatings, providing enhanced strength,
durability, moisture resistance, UV resistance, and chemical resistance. Its use can improve the performance and longevity
of elastic coatings in various applications, including automotive, construction, marine, and industrial coatings.
USING TIPS:
* Recommend dosage is 3%-8%. (Please adjust the dosage according to the actual product.) * As different formulations and conditions, suggest the user to test and make sure the dosage before using.
| Item | SL-410 | SS-320L | SS-630L | SS-750L |
| Content of SiO2,(dry basis) %≥ | 99 | 99 | 99 | 99 |
| Porosity ml/g | 1.8-2.0 | 1.8-2.0 | 1.8-2.0 | 1.8-2.0 |
| Loss on drying (105℃,2Hrs),% | ≤5.0 | ≤5.0 | ≤5.0 | ≤5.0 |
| Ignition Loss(1000℃,2Hrs),% | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 |
| Whiteness | ≥90.0 | ≥90.0 | ≥90.0 | ≥90.0 |
| Particle Size(Malvent),um | 3.0-3.5 | 4.0-4.5 | 5.0-5.5 | 6.0-7.0 |
| PH | 6.0-7.0 | 6.0-7.0 | 6.0-7.0 | 6.0-7.0 |
| Oil Absorption g/100g | 270-320 | 270-320 | 270-320 | 270-320 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
