Industrial Minerals

Bleaching Earth

Al2O3·4SiO2·nH2O

The powerful adsorbent clay — exceptional decolorizing and purifying performance for edible oil refining and industrial applications.

Bleaching Earth
Industrial MineralsBleaching Earth
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Product Overview

About Bleaching Earth

Essential product information, composition and performance context.

Industrial Minerals

The Powerful Decolorizing Clay

Bleaching Earth is an activated or natural adsorbent clay used primarily for purifying and decolorizing edible oils, fats, and industrial fluids.

Acid ActivatedNaturalMontmorillonite
Bleaching Earth overview
Advanced ProcessingFrom Natural Clayto Powerful Adsorbent
Advantages

Key Benefits

Why Bleaching Earth is preferred across demanding industrial formulations.

01

High Decolorizing Activity

02

Low Oil Retention

03

High Surface Area

Bleaching Earth benefitsPerformance engineered by 20 Microns
04

Removes Impurities

05

Food Grade

06

Cost Effective

Quality AssuredISO Certified
Lab TestedEvery Batch
ResponsibleSustainable
Global DeliveryWorldwide
Product Range

Available Grades

Comprehensive bleaching earth grades engineered for precise application requirements.

4 Specialized Grades

Consistent quality, dependable processing and application-focused performance.

Lab Verified
Quality Certified
Sample Available
Standard Grade
02

Standard Grade

Cost-effective bleaching earth for general oil refining applications.

Neutral Grade
03

Neutral Grade

Neutral pH bleaching earth for sensitive applications.

Industrial Grade
04

Industrial Grade

Bleaching earth for industrial oil and waste oil treatment.

Industrial Grade Quality Tested Global Supply
Product Support

Frequently Asked Questions

Important information about Bleaching Earth, grades and applications.

Bleaching earth is primarily used for decolorizing and purifying edible oils by adsorbing pigments, phospholipids, soaps, and other impurities.

Acid activation is a chemical treatment with mineral acids that increases the surface area and adsorption capacity of natural bentonite clay.

Oil retention is the amount of oil that remains in the spent clay after filtration. Lower oil retention (

Typical dosage rates range from 0.5% to 4% depending on the oil type, color load, and desired final color.

Product Video

See It In Action

Watch how Bleaching Earth supports real-world industrial applications.

Bleaching Earth product video
YouTubeOfficial Product Film
Bleaching Earth — Product Film20 Microns Limited · Official Channel
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