Silicon Dioxide Powder For Anti Corrosive Pigment

Feature

Silicon dioxide (SiO2) powder is commonly used as an anti-corrosive pigment in various coating formulations. Here's 

why it's effective for this purpose:

Barrier Protection: Silicon dioxide forms a physical barrier over the substrate surface when used in coatings. This barrier 

inhibits the penetration of moisture, oxygen, and corrosive agents, preventing them from reaching the underlying metal 

surface and causing corrosion.

Chemical Inertness: Silicon dioxide is chemically inert and resistant to a wide range of chemicals, acids, and alkalis. This 

property ensures the stability of the anti-corrosive pigment in harsh environments, prolonging the protective effect of the 

coating.

Abrasion Resistance: Coatings containing silicon dioxide particles exhibit enhanced abrasion resistance, providing additional 

protection against mechanical damage and wear. This makes them suitable for use in coatings applied to surfaces subject to 

abrasive forces or handling.

Adhesion Promotion: Silicon dioxide particles can improve the adhesion of the coating to the substrate surface. This promotes 

long-term adhesion and ensures the durability of the protective coating system, even under challenging conditions.

UV Resistance: Silicon dioxide particles can contribute to the UV resistance of coatings, helping to prevent degradation of the 

coating film due to exposure to sunlight. This property is particularly important for outdoor applications where UV exposure can 

accelerate corrosion.

Matting Effect: Silicon dioxide particles can impart a matte or semi-matte finish to coatings, depending on their size and 

morphology. This aesthetic effect can enhance the appearance of the coated surface while providing anti-corrosive 

protection.

Compatibility: Silicon dioxide is compatible with various coating resins, including epoxy, acrylic, polyester, and Polyurethane. 

It can be easily incorporated into different coating formulations without negatively impacting their performance or application 

properties.

Environmental Friendliness: Silicon dioxide is a naturally occurring mineral and is considered environmentally friendly compared 

to some other anti-corrosive pigments. It has low toxicity and does not contain heavy metals, making it suitable for use in coatings

intended for environmentally sensitive applications.

Overall, silicon dioxide powder is an effective anti-corrosive pigment that provides durable protection against corrosion in a wide 

range of coating applications. Its barrier properties, chemical inertness, abrasion resistance, and compatibility make it a preferred 

choice for formulating protective coatings for metal substrates.

Technical Index 

Application:

Manily use for home applicance like coil coatings; Construct Materials. 

Anticorrosion Pigments, 

Inkjet Receptive Coating, 
Matting Agent