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Calcium Carbonate filler Amaris Chemicals

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Calcium Carbonate Filler

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Calcium Carbonate Filler is a high-quality, uncoated ground calcium carbonate (GCC) specially engineered for use as a filler in polyethylene (PE) and other polyolefin resins. This grade of calcium carbonate is designed to enhance the physical and mechanical properties of plastics while providing cost-effective bulk and improved processing. It is a fine, white, odorless powder with excellent brightness, high purity, and uniform particle size distribution. Its use improves stiffness, impact resistance, dimensional stability, and surface finish in polyethylene applications such as films, sheets, pipes, and molded parts.

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Categories: Fillers and Reinforcements, Pigments Tags: Calcium carbonate for polyethylene, PE film and sheet manufacturing, Plastic filler and reinforcement, Polyethylene (PE) compounding, Polymer industry additive

Description

Table of Contents

Calcium Carbonate Filler

Primary Uses

Polyethylene (PE) Industry
- Used as a mineral filler to increase the stiffness and rigidity of PE compounds.
- Enhances impact strength and dimensional stability of PE films and molded products.
- Improves surface finish and printability of plastic goods.
- Reduces raw material costs by replacing a portion of the polymer with calcium carbonate.
Polyolefin Compounds
- Incorporated in polypropylene (PP) and other polyolefin resins as a reinforcing filler.
- Improves melt flow properties and reduces shrinkage during processing.
- Supports better filler dispersion and compatibility with polyolefin matrices.
Plastic Extrusion and Injection Molding
- Used in extrusion of films, sheets, pipes, and profiles to improve mechanical strength and processability.
- Applied in injection molding of plastic parts for enhanced stiffness and aesthetic surface qualities.

Secondary Uses

Rubber and Adhesives
- Acts as a reinforcing and extending filler in some rubber and adhesive formulations.
Paints and Coatings
- Occasionally used in coatings where polyethylene dispersions or blends are employed.

PRODUCT KEY FEATURES

Basic Identification Attributes

Chemical Name (IUPAC): Calcium carbonate
Common/Trade Name: Calcium Carbonate Filler PE F261
CAS Number: 471-34-1
HS Code: 2836.50.00
Molecular Formula: CaCO₃
Synonyms:
- Ground calcium carbonate (GCC)
- Limestone powder
- Calcium carbonate filler for plastics

2. Physical & Chemical Properties

Physical State: Fine white powder
Color & Odor: White; odorless
Particle Size: Typically in micron range optimized for PE applications (usually 1–5 μm)
Specific Surface Area: High, enhancing filler-polymer interaction
Density: Approx. 2.7–2.8 g/cm³
Solubility: Insoluble in water; soluble in acids with effervescence
pH: Slightly alkaline when dispersed in water (pH ~9)
Melting Point: Decomposes at ~825°C releasing CO₂
Stability: Chemically stable under normal conditions

3. Safety & Hazard Attributes

Hazard Class (GHS): Not classified as hazardous; nuisance dust
NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits: OSHA PEL for calcium carbonate dust: 15 mg/m³ (total dust)
Toxicity: Low acute toxicity; inhalation of dust may cause respiratory irritation
Reactivity: Stable; reacts with acids releasing carbon dioxide gas

4. Storage & Handling Attributes

Storage Conditions: Store in a dry, cool, well-ventilated area to avoid moisture uptake
Container Type: Bags, bulk containers, or silos with dust control
Shelf Life: Indefinite if stored properly
Special Handling: Use appropriate PPE; minimize dust generation

5. Regulatory & Compliance Attributes

FDA Status: Approved as a filler in plastics, indirectly regulated for food contact applications depending on local regulations
Transportation: Not classified as hazardous
Waste Disposal: Dispose as non-hazardous industrial waste per local regulations

6. Environmental & Health Impact

Ecotoxicity: Low; naturally occurring mineral with minimal environmental hazard
Persistence: Persistent; chemically inert, not biodegradable
Bioaccumulation: Not expected
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
Biodegradability: Not biodegradable

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

Personal Protective Equipment (PPE):

Dust mask or respirator (NIOSH-approved)
Gloves
Safety goggles
Protective clothing

Handling Measures:

Avoid inhalation of dust
Use local exhaust ventilation or dust extraction systems
Work in well-ventilated areas

Storage Measures:

Store away from moisture and incompatible substances (strong acids)
Keep containers tightly sealed

Hygiene Practices:

Wash hands after handling
Avoid eating, drinking, or smoking during handling

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if breathing difficulties persist
Skin Contact: Wash with soap and water; seek medical advice if irritation occurs
Eye Contact: Rinse thoroughly with water for 15 minutes; seek medical attention if irritation persists
Ingestion: Generally low toxicity; rinse mouth and seek medical advice if large quantities ingested

Firefighting Measures

Fire Hazards: Non-flammable
Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ as appropriate for surrounding fire
Special Precautions: None specific; thermal decomposition may release CO₂
Decomposition Products: Carbon dioxide upon thermal decomposition