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Food Grade 300Mesh Egg Shell Powder Natural Calcium Carbonate

Minimum Order Quantity : 25kg Price : Negotiatable
Packaging Details : 1kg: Sealed aluminum foil bags/25kg Paper Drum Delivery Time : 3 Days
Payment Terms : L/C, Western Union, MoneyGram, T/T Supply Ability : 100Ton/Month
Place of Origin: China Brand Name: Hongda Phytochemistry
Certification: ISO22000/KOSHER/HALAL/BRC Model Number: HC-ZLGY220222

Detail Information

Product Name: Egg Shell Powder Appearance: Powder
Another Name: Eggshell Powder Purity: 99%
Color: Off White Powder Grade: Cosmetic/Food Grade
Source: Egg Shell Active Ingredient: 100%
High Light:

300Mesh Egg Shell Powder


99% Purity Egg Shell Powder


Off White Color Egg Shell Powder

Product Description

Food Grade 300Mesh Egg Shell Powder Natural Calcium Carbonate


Eggshell powder is a powder product made of discarded eggshells. It contains rich inorganic salts and a small amount of organic matter. It can be mixed into feed for livestock and poultry to supplement the lack of calcium and promote the growth and development of livestock and poultry.

Product: Egg Shell Powder
Appearance: Off White Color
Flavor: No Special Flavor
Mesh: 80 Mesh
Solubility: None
Moisture: <8%
Package: 25kg/Drum

Eggshell powder was determined to contain 94.54% calcium carbonate, 1.15% protein, 4.36% magnesium carbonate and calcium phosphate.


It is widely used in food calcium source addition, feed addition, daily chemical processing, cleaning, fertilizer and other fields. Eggshell powder production and utilization, waste into treasure, recycling ecological sustainable development has important economic value.


What is the process of egg shell powder?

1. Dry eggshell

There are two kinds of natural drying and heating drying. Natural drying is insolation below the sun, make eggshell moisture evaporates, to make moisture evaporates a bit faster, eggshell should not be spread too thick (3 cm is advisable below), begin should not be turned over, wait for moisture to evaporate, turn over pile again to bask in dry. Heating drying is the eggshell drying in the drying room, drying room with heating equipment, air holes, room temperature 80~100℃, about 2 hours at 100℃ can be the eggshell drying.

2.Moving impurities

Eggshell impurities are more, such as bamboo, wood, wire, nails, iron, etc., which are mostly caused by improper eggshell stacking, should be removed clean.

Food Grade 300Mesh Egg Shell Powder Natural Calcium Carbonate 0

3. Milling powder

There are two methods of pulverizing and grinding. Breaking method is to use the eggshell smashing machine to pound the dry eggshell into powder, which can be mashed on the ground, or put into the mortar to break, can be used by hand, or motor driven hammer. The eggshell is ground into a powder using an electric grinder.


4. Sieve and pack

Pounded and ground eggshell powder, the fine is not uniform, must be sifted, the coarse eggshell powder left on the sieve should be re-cracked and ground. After screening the eggshell powder, can be packed in plastic bags, sealed bag mouth, stored in a dry warehouse.



For more information,please contact Elayne +086-18149263369;

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