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4000 Mesh Calcined Kaolin for Paint Coating & Paper

4000 Mesh Calcined Kaolin for Paint Coating & Paper

  • Color: White
  • Shape: Powder
  • Whiteness: 93 min
  • Specification: 4000mesh
  • HS Code: 2507001000
  • Package:25kg/Bag

 

其他信息

Product Introduction

4000 Mesh Calcined Kaolin is a type of high-brightness kaolin with a plate structure and anhydrous aluminum silicate composition. Its fine particle size and uniform distribution provide excellent hiding power and low oil absorbency. This makes it ideal for applications in paints, coatings, and paper industries. By improving the cracking resistance, scrub resistance, and salt fog resistance of paint films, calcined kaolin helps enhance the performance and durability of coatings. In the paper industry, it improves the paper’s coverage, gloss, and smoothness, while also enhancing printability and ink absorption. Additionally, calcined kaolin can replace titanium dioxide partially, contributing to cost reduction in production.

Product Features

  • High Brightness: Provides high whiteness and improves the appearance of final products.
  • Low Oil Absorbency: Reduces oil usage, leading to cost savings in production.
  • Good Matting Effect: Enhances surface smoothness and uniformity in coatings.
  • Cracking and Scrub Resistance: Improves the durability of coatings, particularly in challenging environments.
  • Good Coverage and Gloss in Paper: Enhances paper smoothness, printability, and ink absorption.
  • Cost-Effective: Partially replaces titanium dioxide, lowering production costs.

Product Specification

Test Items

Unit Specification Test Standard

SiO2 Content (%)

52 (+/-2)
Fe2O3 Content (%) 0.20

Al2O3 Content (%)

44-48
Moisture Content (%) 0.01-0.05

TiO2 Content (%)

0.28-0.98
K2O Content (%) 0.2 Max

Brightness

% (R457) 93 min GB/T 5950-2008
Particle Size (-2µm) % 81±3

BT-1500

Oil Absorbency

g/100g 60±5 GB/T 14563-2020
Screen Residue 325 Mesh % ≤0.005

GB/T 14563-2020

pH

5.0-7.5 GB/T 14563-2020
Moisture % ≤0.8

GB/T 14563-2020

Volume Density

kg/m³ 400-600 GB/T 16913-2008
True Density kg/m³ 2560

GB/T 5071-2013

Product Application

  • Paint and Coating Industry: Used as a pigment extender, improving resistance to cracking, scrubbing, and salt fog.
  • Paper Industry: Enhances the coverage, gloss, smoothness, and printability of paper, improving ink absorption and print quality.
  • Other Industrial Uses: Suitable for use in ceramics, plastics, and rubber industries due to its fine particle size and high chemical stability.

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