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calcium carbonate

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calcium carbonate Specification

Density
2.71 Gram per cubic centimeter(g/cm3)

CAS No
471-34-1

EINECS No
207-439-9

Molecular Weight
100.09 g/mol

Refractive Rate
1.59

Taste
Tasteless

Product Type
Inorganic Compound

Application
Used in paints, plastics, rubber, ceramics, pharmaceuticals, food industry, and as a filler material

Shape
Fine, amorphous or crystalline powder

Shelf Life
2 years if properly stored

Solubility
Practically insoluble in water, soluble in dilute acids

HS Code
28365000

Purity
98% - 99%

Molecular Formula
CaCO3

Ingredients
Calcium Carbonate (CaCO3)

Appearance
White fine powder

Grade
Industrial, Food, and Pharmaceutical Grade

Properties
Odorless, tasteless, stable in air, insoluble in alcohol, reacts with strong acids

Ph Level
8.5 9.5 (100g/l, H2O, 20C)

Smell
Odorless

Melting Point
825C (Decomposes)

Structural Formula
O=C([O-])[O-].[Ca+2]

Physical Form
Powder

Storage
Store in a cool, dry place and keep container tightly closed

Usage
As filler, dietary supplement, acidity regulator, antacid, polishing agent, and in construction

Loss on Ignition
43.0% - 44.5%

Safety Precaution
Avoid inhalation, use only with adequate ventilation, wear dust mask

Thermal Decomposition
Releases CO2 above 825C

ISO Certification
ISO 9001:2015 Certified manufacturer

Bulk Density
0.5 - 1.3 g/cm3 (depending on grade)

Heavy Metals Content
<20 ppm

Surface Area
0.5-3.0 m2/g

Compatibility
Compatible with most polymers and resins

pH (Suspension)
9.0 0.5

Color Index
CI Pigment White 18 (PW18)

Microbial Limit
Complies with pharmacopeial standards (for pharma/food grade)

Particle Size
5-50 microns (customizable as per requirements)

Packaging
25 kg & 50 kg HDPE/PP bags or customized packaging

About calcium carbonate

Jump on this unrivaled opportunity to secure our masterfully formulated Calcium Carbonate powder. Available for a limited time at affordable rates, this perfect filler and supplement is crafted to the highest ISO 9001:2015 standards. With a purity of 98%-99% and customizable particle size (5-50 microns), our product is a true masterpiece suitable for industrial, pharmaceutical, and food-grade applications. CI Pigment White 18 (PW18) offers optimal whiteness, while its stable, odorless, and tasteless form ensures seamless compatibility with most polymers and resins. Secure your supply now!

Versatile Applications and User Industries

Calcium carbonate finds substantial use as a premium filler, dietary supplement, acidity regulator, antacid, and polishing agent. Its application media spans paints, plastics, rubber, ceramics, pharmaceuticals, and the food industry, serving manufacturers, exporters, and suppliers worldwide. Common areas of application include construction, consumer goods, and health care sectors, where its unrivaled compatibility with polymers and resins is highly valued by professional users.

Reliable Supply and Market Coverage

We offer consistent supply ability to meet bulk requirements with prompt order completion and competitive FOB rates. Operating in major domestic markets and international export channels, we maintain high inventory turnover to guarantee reliable delivery. Our products are shipped from key FOB ports, ensuring timely distribution for manufacturers and large-scale industries. Trust us to fulfill every order efficiently, whether for local procurement or global sourcing needs.

FAQs of calcium carbonate:

Q: How should calcium carbonate be stored for maximum shelf life?

A: Calcium carbonate should be stored in a cool, dry place with the container tightly closed to ensure its shelf life of up to 2 years.

Q: What is the process of safe handling for calcium carbonate powder?

A: When handling calcium carbonate powder, avoid inhalation by using adequate ventilation and wearing a dust mask as per safety precautions.

Q: Where is calcium carbonate primarily used?

A: Calcium carbonate is widely used in paints, plastics, rubber, ceramics, pharmaceuticals, food industry, and as a filling agent in construction materials.

Q: Which industries benefit most from using calcium carbonate?

A: Industries such as manufacturing, health care, food production, and construction benefit most due to its versatility and compatibility with various polymers and resins.

Q: How can the particle size of calcium carbonate be customized for specific applications?

A: The particle size of calcium carbonate can be tailored between 5 and 50 microns based on application requirements, ensuring optimal performance for each use case.

Q: What are the main benefits of using calcium carbonate as a filler?

A: Using calcium carbonate as a filler provides unrivaled stability, whiteness, and affordability, while improving performance and cost-effectiveness across a wide range of products.

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