* What is silica dioxide?
Silica dioxide, also known as silicon dioxide or silica, is a compound composed of silicon and oxygen atoms. It is one of
the most abundant minerals on Earth and exists in various forms, including quartz, sand, and glass. Silica dioxide is a
hard, crystalline substance with high melting and boiling points. It is commonly used in industries such as construction,
electronics, and cosmetics due to its properties such as high heat resistance, electrical conductivity, and optical
transparency.
* What is coil coatings?
Coil coating is a continuous and automated process used to apply a protective coating to metal coils, typically made of
steel or aluminum. It is commonly used in the manufacturing of various products, including building materials, automotive
parts, appliances, and packaging.
The process involves unwinding a metal coil and passing it through a series of cleaning, pre-treatment, coating, and curing
stages.
The metal surface is cleaned to remove any dirt, oils, or oxides, ensuring proper adhesion of the coating. Then, a chemical
pre-treatment is applied to enhance corrosion resistance and promote bonding between the metal and the coating.
Next, the coil is coated with a liquid paint or a coating material, which can be formulated to provide specific properties such as
durability, weather resistance, chemical resistance, or aesthetic appeal. The coating is evenly applied to both sides of the coil
using various methods, such as roll coating, spray coating, or electrostatic coating.
After the coating is applied, the coil is cured by passing it through an oven or using other heat sources. This process allows the
coating to chemically react and form a strong, protective film on the metal surface. Once cured, the coated coil is cooled,
inspected, and then either further processed or cut into sheets or strips for use in various applications.
Coil coating offers several advantages over other coating methods. It allows for precise control of coating thickness, uniformity,
and appearance. The process also provides excellent corrosion resistance, durability, and color retention.
Additionally, coil coating is more environmentally friendly compared to other coating methods, as it minimizes wasteand reduces
volatile organic compound (VOC) emissions.
Silica Powder can also improve the adhesion of the coating to the metal surface, ensuring that the coating stays intact and does
not peel or chip off. It can also enhance the appearance of the coating, giving it a smooth and glossy finish.
In addition, silica powder can also act as a filler material, reducing the cost of the coating by replacing more expensive materials.
It is a cost-effective and efficient way to improve the performance and appearance of coil coated products.
Tips:
* Before you use it, please test and make sure the dosage before using according different formulations and conditions.
* Recommended dosage is 3% -5%.
| Item | SL-685 | Brand | SKYSIL |
| Content of SiO2,(dry basis) %≥ | 99 | Porosity,ml/g | 1.8-2.0 |
| Oil absorption ml / 100g | 260-300 | Particle Size(Malvent),um | 6.0-7.0 |
| Loss on drying (105℃,2Hrs),% | ≤5.0 | PH | 6.0-7.0 |
| Ignition Loss(1000℃,2Hrs),% | ≤6.0 | Whiteness≥ | 90 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
