Silica As Thickening Agent For Paints

Silica As Thickening Agent For Paints

Silica Precipitation as a Thickening Agent for Paints Product: silicon dioxide for paiting and coating Model No.:JS-280C CAS. NO.: 7631-86-9 Silica precipitation is a widely used method to produce high-quality silicon dioxide. Due to its unique properties, such as high surface area, large...

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Product Introduction

Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of silica as thickening agent for paints 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.

 

                                                               Silica Precipitation as a Thickening Agent for Paints
Product: silicon dioxide for paiting and coating 

Model No.:JS-280C

CAS. NO.: 7631-86-9

                                                                      

Silica precipitation is a widely used method to produce high-quality silicon dioxide. Due to its unique properties, such as high surface area, large specific pore volume, and excellent mechanical properties, silica is used in various industrial applications. One of the most common applications of silica is to act as a thickening agent in paints.

Paints are commonly used to safeguard and enhance the aesthetic appeal of structures, automobiles, and other equipment. In order to achieve good performance, the viscosity of the paint must be high enough to prevent sagging and running but not so high that it is difficult to apply. With the addition of silica, the viscosity of paint can be increased to achieve the necessary thickness, while still maintaining good flow and leveling characteristics.

Silica is ideal as a thickening agent for paints due to its particle size and shape. The smaller particle size of silica ensures that it will spread evenly throughout the paint while maintaining good flow properties. Additionally, the shape of silica particles is beneficial, as it allows for the formation of a network of particles that can hold the paint in place, avoiding sagging or running. Furthermore, the high surface area of silica provides an excellent substrate for bonding with other materials present in the paint.

Using silica as a thickening agent in paints provides several benefits. Firstly, it ensures the paint will stay in place, helping prevent runs and sagging. Secondly, the increased viscosity of the paint ensures it will have good leveling characteristics. Finally, the addition of silica improves the mechanical and chemical properties of the paint, making it more durable and resistant to wear and tear.


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

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