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Silica powder for metallic paint as matting agent
Modile No.：Large pore volume E
Apperance:white powder,tasteless
CAS. NO.:7631-86-9
Usage:matting agent for metallic paint
The addition of superfine silica can significantly reduce the gloss:
1. The particle size of the filler has a great influence on the gloss of the film. The larger the particle size, the lower the gloss.
2. It should be noted that increasing the amount of filler will reduce the smoothness and mechanical strength of the coating.
3. Extinction coatings can be obtained by adding ultrafine silica and kaolin to acrylic acid and polyester powder coatings.
Large pore volume E is a new type of precipitated silica that is used in both metal paint and anti-corrosive paint applications. Its most noteworthy quality is its high porosity, which allows for superior permeability. This allows the products to absorb more liquid quickly and hold onto it for a longer period of time, ensuring that the liquid is protected from the external environment.
The large pore volume of the Large pore volume E also makes it a great choice for metal paint applications. It helps to disperse the pigments uniformly, giving the paintwork superior coverage. The product also helps to reduce the amount of time it takes for the paint to dry, allowing for a quicker turnaround time.
The product also has excellent rust protection properties. It combines with the primer and with the paint solution to create a barrier that helps to prevent oxidation and corrosion of the metal surface. This helps to extend the life expectancy of the paintwork and enhances overall performance.
In addition to its excellent protection abilities, Large pore volume E can also be used to control gloss levels. It helps to create a smoother, more uniform finish that gives the paintwork a professional overall look.
Overall, Large pore volume E is an excellent choice for metal paint applications, as it offers superior permeability, superior coverage, and corrosion protection. It can help to create a lasting finish and provides an attractive overall look.
Specification:
Large pore volume E
Test Methods | Properties | Units | Target Values (Spec Limits) | Actual Values |
HG/T3065-2008 | Loss on drying (2Hrs,105℃)加热减量 | % | Max.5.5 | 4.76 |
HG/T3066-2008 | Ignition loss 1000℃ 灼烧减量 | % | Max.7.0 | 4.98 |
HG/T3072-2008 | DBP absorption value DBP吸收值 | cm3/g | 2.5-2.9 | 2.73 |
HG/T3067-2008 | pH value (10%aqueous suspension) pH值 | — | 6.0-8.0 | 6.71 |
HG/T3062-2008 | SiO2 (Dry Basis) 二氧化硅(干基） | % | Min.98 | 98.3 |
HG/T3073-1999 | BET specific surface area BET比表面积 | m2/g | － | 270 |
Soluble salt (Na2SO4) 可溶性盐 | % | Max.1.0 | 0.25 | |
Particle size | μm | 5.0-7.0 | 5.7 | |
Bulk density | g/ml | __ | 0.1 |
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Packaging:
20kgs/bag,18-20MTS/40HQ.
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