Waterproof Film Paints Material Silicon Dioxide Powder

The use of silicon dioxide in waterproof membrane coating materials is mainly to utilize its special physical and chemical 

properties to enhance the waterproof performance of the coating. The following are some explanations about the application 

of Silica Powder in waterproof membrane coatings and its working principle:

The role of silica powder

1. Enhance waterproof performance: Silica powder has good hydrophobicity and can form a dense waterproof layer, effectively

preventing moisture from penetrating into the coating or substrate.

2. Improve wear resistance and durability: Silica powder has high hardness. Adding it to the coating can increase the wear 

resistance and durability of the coating and extend its service life.

3. Improve the gloss of the coating: An appropriate amount of silica powder can enhance the gloss of the coating surface and 

make the coating look brighter.

4. Adjust the rheology of the coating: By adjusting the particle size and content of silica powder, the viscosity, fluidity and other 

properties of the coating can be controlled, which is convenient for construction operations.

Usage

- Direct addition: Add silica powder directly to the waterproof coating in a certain proportion, mix evenly and apply it.

- Pre-dispersion: For some coating systems with high requirements for dispersion performance, it may be necessary to 

pre-disperse silica powder in a solvent or dispersion medium before adding it to the coating matrix.

- Composite materials: Used in combination with other fillers, additives, etc. to achieve specific performance requirements.

Notes

- Particle size selection: Different particle sizes will bring different effects. Generally speaking, fine silica powder can provide 

better waterproof performance and gloss, but may affect the construction of the coating; larger particles may help improve the 

mechanical properties of the coating.

- Dispersibility: Ensure that the silica powder can be evenly dispersed in the coating to avoid agglomeration and affect the quality 

of the final coating.

- Environmental protection and safety: When selecting silica powder, consider whether its source is environmentally friendly and 

whether the production process meets safety standards to ensure that the materials used are harmless to the human body and 

the environment.

In short, the application of silica powder in waterproof membrane coatings is multifaceted. Through reasonable selection and use, 

the comprehensive performance of the coating can be significantly improved.

Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent,PET