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Quick Answer — General Industrial Calcium Carbonate (Ground Limestone Powder)

General Industrial Calcium Carbonate (Ground Limestone Powder) is a high-purity mineral powder used widely across Kenya as a cost-effective functional filler in construction tile adhesives, rubber products, joint compounds, and sealants.

General Industrial Calcium Carbonate (Ground Limestone Powder) is a high-purity mineral powder used widely across Kenya as a cost-effective functional filler in construction tile adhesives, rubber products, joint compounds, and sealants.

Key Facts

  • Chemical Purity: CaCO3 ≥ 98.0% min | Form: Fine White Powder
  • CAS Number: 471-34-1 | High natural brightness & low oil absorption
  • Reduces resin formulation cost while enhancing structural rigidity & density
  • Essential mineral filler for tile adhesive manufacturers & rubber compounders
  • Supplied in 50kg Heavy PP Woven Bags from Nairobi Industrial Area

Primary Use Cases

Functional mineral filler in cementitious tile adhesives & wall puttyExtender & bodying agent in rubber goods, molded plastics & brake liningsDensity & strength booster in joint compounds, caulks & industrial sealants
Calcium Carbonate (Technical / Industrial Grade, White Odorless Fine Powder) in commercial industrial packaging

Calcium Carbonate (Technical / Industrial Grade White Odorless Fine Powder) supplied by KIKI'S Industrial Chemicals for industrial processing, manufacturing, and commercial applications in Kenya and East Africa.

Inorganic ChemicalsOut of Stock

General Industrial Calcium Carbonate (Ground Limestone Powder)

Product Code: KIC-INO-002

Also known as: Calcium Carbonate, Ground Calcium Carbonate (GCC), Limestone Powder, Calcite Powder

Synonyms: CaCO3, Precipitated Calcium Carbonate (PCC), Whiting

High-purity industrial Calcium Carbonate (CaCO3) powder for plastics, paints, rubber, paper, building materials, and chemical processing in Kenya and East Africa.

CAS Number
471-34-1
Formula
CaCO3
IUPAC Name
Calcium carbonate
Molecular Weight
100.09 g/mol
EC Number
207-439-9
Chemical Family
Inorganic Calcium Carbonate Minerals
Grade
Technical / Industrial Grade
Purity
98.5% min CaCO3
Physical Form
White Odorless Fine Powder

Available Packaging

25kg Multi-Wall Paper / PP Bag50kg Woven PP Bag1,000kg Jumbo Bag

Product Overview

General Industrial Calcium Carbonate (CaCO3) is a versatile mineral filler and extender pigment. Processed from natural high-whiteness limestone deposits, it provides high brightness, low oil absorption, and controlled particle size distribution for compounding into thermoplastics, architectural coatings, adhesives, and construction materials.

Technical Description

Natural crystalline ground calcium carbonate (GCC) containing 98.5% min CaCO3, high ISO brightness (≥92%), low moisture (≤0.3%), and low silica. Serves as a primary functional mineral filler across industrial sectors.

Complete Chemical Specifications

CaCO3 Assay
98.5% min
Whiteness (ISO)
92% min
Moisture Content
0.3% max
Oil Absorption
18 - 22 g/100g
Mesh Size (-325 mesh)
98% passing

Physical & Chemical Properties

Appearance
Bright white fine powder
Odour
Odorless
pH
8.5–9.5 (10% slurry)
Density
2.71 g/cm³
Melting Point
825 °C (decomposes)
Solubility
Insoluble in water (0.013 g/L); dissolves with effervescence in dilute mineral acids

Commercial Availability

Stock Status
In Stock
Lead Time
1-2 business days in Kenya; 2-4 days regional East Africa
MOQ
500 kg (20 bags)
Delivery Regions
Kenya (Nairobi, Mombasa, Nakuru, Eldoret), Uganda (Kampala), Tanzania (Dar es Salaam), Rwanda (Kigali)

Specify mesh size (325 mesh, 500 mesh, or micronized) when submitting RFQ for bulk pricing.

Suitable Applications

Target Industries

Use Cases

  • Functional extender filler in plastics and PVC conduit extrusion
  • High-whiteness pigment extender in interior emulsion paints
  • Filler in adhesives, joint compounds, tile mortars, and rubber
  • Neutralizing agent and calcium chemical source

Storage Guidelines

Store in a clean, dry, covered warehouse away from moisture and acidic materials. Bags should remain stacked on pallets.

Handling Advisory

Non-hazardous mineral powder. Avoid breathing dust; wear a dust mask and safety glasses when tipping bulk bags.

Safety & Chemical Handling Advisory

Safety Advisory

Inhalation: Move to fresh air. Eye Contact: Flush with clean water to remove dust particles.

GHS:Not classified as hazardous under GHS
Signal Word:None
Transport:Non-hazardous goods for sea, air, and road transport
Packing Group:N/A

Hazard Statements

  • None

Precautionary Statements

  • P261: Avoid breathing dust
  • P280: Wear protective dust mask and eye protection

PPE Requirements

Standard Dust Mask (N95/FFP2)Safety GlassesWork Gloves

COMMERCIAL & TECHNICAL GUIDANCE

Frequently Asked Questions — General Industrial Calcium Carbonate (Ground Limestone Powder)

Technical, regulatory, and supply guidance for General Industrial Calcium Carbonate (Ground Limestone Powder).

General industrial calcium carbonate (ground limestone) is used as a functional filler in tile adhesives, joint compounds, rubber products, sealants, and building materials to add strength and reduce manufacturing costs.

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