Glass beads offer a low specific surface area and minimal oil absorption, making them highly effective in reducing the need for other raw materials in coatings. Their smooth, glassy surface is resistant to chemical degradation and reflects light, providing the coating with excellent anti-fouling, anti-corrosion, UV resistance, anti-yellowing, and scratch-resistant properties. Additionally, the hollow glass microspheres are tightly packed with a thin layer of gas inside, which gives the coating exceptional thermal insulation performance due to their low thermal conductivity.
In terms of coating performance, hollow glass beads significantly improve flow and leveling. The gas trapped within the microspheres enhances the coating’s flexibility by resisting thermal expansion and contraction, thus minimizing cracking and peeling caused by temperature changes. Even when used in high quantities, the viscosity of the coating doesn’t increase dramatically, allowing for reduced solvent use, lower emissions of harmful gases, and an improved VOC (volatile organic compound) rating.
For optimal results, it's recommended to add hollow glass beads at a general dosage of 8–20% by weight. They should be added at the final stage of mixing. Use a low-speed, low-shear mixer to disperse them effectively. Due to their spherical shape and lack of internal friction, the beads mix easily and can be fully dispersed quickly. Slightly extending the stirring time ensures even distribution throughout the formulation.
Hollow glass beads are chemically inert and non-toxic, but their extremely light weight requires careful handling during addition. To prevent them from becoming airborne, it's best to use a step-by-step approach—adding half of the required amount at a time and gradually incorporating the rest. This method helps ensure complete dispersion and minimizes waste or loss during the process.
By following these guidelines, you can maximize the benefits of hollow glass beads while maintaining the quality and performance of your coating system.
DC Solenoid Pump
Solenoid Pump is a type of fluid transfer device that uses a solenoid to create a magnetic field that moves a plunger or diaphragm to pump fluids.DYX has both DC solenoid pump and AC Solenoid Pump.
The main difference between DC solenoid pump and AC solenoid pump is the power source they use. DC solenoid pumps run on direct current, while AC solenoid pumps run on alternating current.
DC solenoid pumps are commonly used in applications where a low voltage power source is available, such as in battery-operated equipment or vehicles. They are also known for their efficient operation and ability to provide consistent flow rates.
AC solenoid pumps, on the other hand, are typically used in applications where a higher voltage power source is available, such as in industrial settings. They are known for their ability to handle high flow rates and provide reliable performance over long periods of time.
Overall, the choice between a DC solenoid pump and an AC solenoid pump will depend on the specific application and power source available.
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