Introduction:
Silica pigment is a commonly used material in construction for its durability, weather resistance, and color stability. However,
due to environmental concerns and health hazards associated with silica dust exposure, there is a growing demand for
alternative materials that can replace silica pigment in construction materials.
One possible replacement for silica pigment in construction materials is titanium dioxide. Titanium dioxide is a white pigment
that is commonly used in paints, coatings, and plastics. It is non-toxic and does not pose the same health risks as silica pigment.
Titanium dioxide also offers excellent weather resistance and color stability, making it a suitable alternative for construction
materials.
Another alternative to silica pigment is calcium carbonate. Calcium carbonate is a naturally occurring mineral that is commonly
used as a filler in construction materials such as concrete, asphalt, and paint. It is non-toxic, environmentally friendly, and offers
good weather resistance. Calcium carbonate can also be used as a white pigment to replace silica pigment in construction
materials.
Overall, there are several alternatives to silica pigment that can be used in construction materials. These alternatives offer similar
properties to silica pigment while reducing health and environmental risks. It is important for construction companies to consider
these alternatives and make the switch to more sustainable and safer materials.
Technical Index
| Items | Specifications |
| SiO2 Content (based on Ignited Substance, %) | 99 |
| Porosity (ml/g)≥ | 0.3-0.5 |
| Oil Absorption (DBP, g/100g) | 70-120 |
| Particle Size Laser diffraction, d50(μm) | 2.7-3.2 |
| Loss on drying (105℃ %≤) | <5 |
| Loss on Ignition (1000℃%≤) | <10 |
| Whiteness %≥ | 95 |
| PH Value (5% in water) | 5.5-7.5 |
Suggested dosage:
Replacing zinc dust in all kinds of zinc rich primer.
The replacing percentage is between 5%-6%.
Anticorrosion Pigments,
Inkjet Receptive Coating,
Matting Agent
