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Calcium Carbonate Powder

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MOQ : 20 Kilograms

Calcium Carbonate Powder Specification

Smell
Odorless

Taste
Odorless, tasteless

HS Code
2836 50 00

Molecular Formula
CaCO3

Purity
98% - 99.5%

Other Names
Calcite, Aragonite, Limestone

Refractive Rate
1.59 - 1.66

Shape
Powder

Density
2.7 Gram per cubic centimeter(g/cm3)

Storage
Store in cool, dry, ventilated area, keep container tightly closed

Melting Point
825C (Decomposes)

Poisonous
Yes

Solubility
Insoluble in water, soluble in acids

Molecular Weight
100.09 g/mol

Form
Solid

Boiling point
Not applicable (decomposes before boiling)

Ph Level
9.5 (10% solution)

Structural Formula
CaCO3

Classification
Inorganic Compound

Chemical Name
Calcium Carbonate

CAS No
471-34-1

EINECS No
207-439-9

Grade
Industrial, Food, Pharmaceutical, Agriculture

Standard
Meets Industry Standards (BP/USP/ISO as applicable)

Type
Fine white powder

Usage
Filler, pigment, dietary calcium supplement, pH adjustment

Main Material
Natural limestone or marble

Application
Used in plastics, paints, paper, construction, pharmaceuticals, rubber, adhesives, sealants, animal feed, and food industry

Non Toxic
No

Oil Absorption
23-28 ml/100g

Heavy Metals Content
<0.003%

Hardness (Mohs)
3

Shelf Life
2 years

Whiteness
96-98%

Particle Size
10-44 microns (customized on request)

Moisture Content
Less than 0.2%

Bulk Density
0.85-0.95 g/ml

Appearance
Free-flowing white powdered solid

pH of Suspension
8.5-9.5

Calcium Carbonate Powder Trade Information

Minimum Order Quantity
20 Kilograms

Delivery Time
2 Week

About Calcium Carbonate Powder

he composition of calcium carbonate is as follows:

Chemical Name: Calcium Carbonate
Chemical Formula: CaCO
CAS No.: 471-34-1
Molecular Weight: 100.09 g/mol

Chemical Composition

Component	Formula	Approx. %
Calcium (Ca)	Ca	40.04%
Carbon (C)	C	12.00%
Oxygen (O)	O	47.96%

Equivalent Oxide Analysis

Component	Approx. %
Calcium Oxide (CaO)	56.0%
Carbon Dioxide (CO)	44.0%

Typical Industrial Grade Specification

Parameter	Typical Value
Calcium Carbonate (CaCO)	9899.5% min
Calcium Oxide (CaO)	5556%
Magnesium Carbonate (MgCO)	1.0%
Iron Oxide (FeO)	0.05%
Moisture	0.5%
Insoluble Matter	0.2%
Appearance	White powder or granules

Common Uses

Paints and coatings
Plastics and PVC
Paper manufacturing
Rubber industry
Adhesives and sealants
Construction materials
Water treatment
Pharmaceuticals and food (food/pharma grade)

If you need the precipitated calcium carbonate (PCC) or ground calcium carbonate (GCC) specification for export or industrial use, I can provide that as well.

Versatile Industrial Applications

This Calcium Carbonate Powder is engineered for use across myriad industries, including plastics, paint, paper, adhesives, rubber, pharmaceuticals, and food. Its high whiteness and purity elevate product quality, while tailored particle sizes ensure compatibility with your specific manufacturing processes. Its inert nature also makes it a perfect fit for formulations demanding high standards.

Unmatched Quality and Purity

Our product meets rigorous BP/USP/ISO criteria and is generated from premium natural sources. It is free from heavy metals, with a content below 0.003%, and maintains a moisture content of less than 0.2%. Whiteness of up to 98% guarantees a clean, bright powder, ideal for high-standard uses.

Safe, Reliable, and Easy to Use

With a pH level of 9.5 (10% solution) and a non-toxic, odorless profile, this calcium carbonate powder is safe for handling in all standard industrial, food, and pharmaceutical settings. It enjoys a long shelf life when stored properly in a cool, dry, ventilated area.

FAQ's of Calcium Carbonate Powder:

Q: How is Calcium Carbonate Powder typically used across various industries?

A: Calcium Carbonate Powder serves as a versatile additive and filler in plastics, paints, rubber, adhesives, sealants, construction materials, pharmaceuticals, and food industries. Its roles include improving texture, adjusting pH, enhancing whiteness, increasing bulk, and offering a consistent mineral content.

Q: What benefits does the high whiteness (96-98%) of this powder provide?

A: The high whiteness ensures an excellent visual appearance in finished goods, improves opacity in paints and paper, and maintains color integrity in plastics and food products. It also enhances brightness and reflects more light, benefiting product aesthetics and performance.

Q: Where should Calcium Carbonate Powder be stored for optimal longevity?

A: For maximum shelf life and product integrity, store Calcium Carbonate Powder in a cool, dry, and well-ventilated facility, ensuring containers remain tightly sealed to prevent moisture uptake or contamination. Under these conditions, its shelf life is up to 2 years.

Q: What is the significance of the particle size (10-44 microns)?

A: The fine particle size range allows for optimal dispersion in formulations, improved surface coverage in coatings, smoother textures in plastics and paper, and customizable performance based on end-user requirements. Particle size can also be adjusted on request to meet specific industrial needs.

Q: How is Calcium Carbonate Powder processed from raw material to finished product?

A: Natural limestone or marble is extracted, crushed, and finely ground to the desired particle size. The powder undergoes purification and quality checks to meet industry standards for purity, whiteness, and moisture content before packaging.

Q: What makes this powder safe for use in pharmaceuticals and food applications?

A: It complies with BP/USP/ISO standards, contains less than 0.003% heavy metals, and is processed using high-purity methods from natural sources. The product is odorless, tasteless, non-toxic, and well-characterized, ensuring it is suitable as a dietary supplement and ingredient in sensitive applications.

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