Precipitated Silica In Paints And Coating

Precipitated Silica In Paints And Coating

Silica in Coating as Matting Agent Silicon dioxide, also known as silica, has variable properties and can be added to coatings in order to eliminate droplet sedimentation. By adding a small amount of silicon dioxide to coatings, the coating can maintain its consistency without droplets or...

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Product Introduction

Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of precipitated silica in paints and coating in China. With abundant experience, we warmly welcome you to buy high quality products made in China here from our factory. Contact us for more details.

 

                                                                                                                                               

                                                          Precipitated Silica in Paints and Coating

 

Product:Precipitated silica(SiO2) for  paint as Filler and Thickener

Item No.:JS-280

CAS. NO.:7631-86-9

Delivery time:15 days after receipt of your payment

HS CODE:281122

 

Unlocking the Potential of Precipitated Silica in Paints: Enhanced Performance and Efficiency

Introduction: In the realm of paint and coatings, the quest for exceptional performance and durability is unrelenting. Precipitated Silica, with its remarkable thixotropic properties, stands out as a key additive that can significantly enhance the functionality and application of paints. This article explores the transformative impact of Precipitated Silica in various paint applications, offering insights into how it optimizes performance and extends the capabilities of paint formulations.

 

 

 

 

PPT Silica

 

 

Specification:

JS-280

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

4.85

HG/T3066-2008

Ignition loss 1000℃

灼烧减量

%

Max.7.0

3.96

HG/T3072-2008

DBP absorption value

DBP吸收值

cm3/g

3.1-3.5

3.20

HG/T3067-2008

pH value (10%aqueous suspension) pH值

-

6.0-8.0

6.77

HG/T3062-2008

SiO2 (Dry Basis)

二氧化硅(干基)

%

Min.98

98.1

HG/T3073-1999

BET specific surface area

BET比表面积

m2/g

260-300

282

 

Soluble salt (Na2SO4)

可溶性盐

%

Max.0.5

0.26

 

The role of precipitated silica in Coatings:

 

Thixotropic Properties: A Game Changer

Precipitated Silica's thixotropic nature is a game changer in paint technology. By incorporating small quantities of this silica into paint, the formulation gains a viscosity that varies with shear rate, effectively eliminating the settlement of pigments and the associated dripping and sagging issues.

Vertical Surface Application Excellence

In vertical surface applications, such as in unsaturated polyester coatings, the addition of just 0.5 to 2% Precipitated Silica can prevent drips and wrinkle when applying substantial amounts, up to 500g/m2 per coat. This ensures a smooth and even finish, which is crucial for maintaining both aesthetic appeal and protective qualities.

Enhanced Pigment Performance

The integration of Precipitated Silica into pigments not only prevents sedimentation but also enhances the adsorption capacity for pigments and dyes, improving dispersion. This leads to a more uniform color distribution and a higher quality finish.

Improved Heat Stability in Emulsion Coatings

When used as a filler in emulsion coatings, Precipitated Silica significantly boosts the heat stability of the paint. This improvement is vital for applications where the paint is exposed to high temperatures, ensuring the paint's durability and longevity.

Optimizing Paint Rheology

By adjusting the rheological properties of paint with Precipitated Silica, formulators can achieve a balance that facilitates ease of application while maintaining the paint's structural integrity once applied. This balance is essential for coatings that require both workability and resistance to deformation.

 

 Incorporating Precipitated Silica into paint formulations is more than just an enhancement; it's a strategic move towards superior paint performance. Its ability to improve application, prevent sedimentation, and enhance heat stability makes it an invaluable component in the paint industry.

 

 Elevate your paint's performance with the addition of Precipitated Silica. Experience the difference it makes in application, finish, and longevity. For paint formulations that perform under pressure and look great doing it, choose Precipitated Silica.

 

About Precipitated Silica: This powerful additive is the silent workhorse of the paint industry, quietly ensuring that every application is smooth, every finish is even, and every coat stands the test of time. Precipitated Silica is the key to unlocking your paint's full potential.

 

 

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