Professional Manufacturer · Stable Supply · Global Export

Calcium Carbonate Masterbatch

High-purity CaCO₃ filler masterbatch by CLIRIK. Source factory with monthly capacity of 20,000 tons. Fully customizable formulations to optimize cost, enhance rigidity, and improve processing efficiency.

Get Quote Free Sample

74%–92% CaCO₃ CONTENT

PE / PP CARRIER RESIN

≥95 WHITENESS

20,000 TONS MONTHLY SUPPLY

Product Overview & Production

Core-Shell Structure Uniform Pellets

Our Calcium Carbonate Masterbatch features high-purity heavy calcium carbonate (CaCO₃) as core filler, compounded with carrier resin (PE/PP), coupling agents, and dispersing additives through twin-screw extrusion. The resulting uniform "core-shell" structure guarantees excellent compatibility across PE, PP, and ABS substrates.

Extensively applied in blown film, injection molding, blow molding, extrusion, and non-woven fabrics. With addition ratios ranging from 5% to 50%, it significantly enhances product rigidity, heat resistance, and dimensional stability while substantially reducing raw material costs.

Manufacturing Workflow

Production Process

Our streamlined five-stage production process ensures ultra-fine particle dispersion and high-purity masterbatch quality.

STEP 01

Calcium Carbonate

High-purity raw limestone is crushed and ultra-finely ground into micronized CaCO₃ powder.

→

STEP 02

Surface Modification

Coupling agents and dispersants modify powder surface from hydrophilic to lipophilic.

→

STEP 03

Twin-Screw Extrusion

High-torque twin-screw compounding with carrier resin (PE/PP) at precise thermal zones.

→

STEP 04

Pelletizing

Underwater / water-ring strand pelletizing to shape smooth, uniform core-shell granules.

→

STEP 05

QC & Packaging

Sieving, dust removal, whiteness/moisture testing, and moisture-proof bagged packaging.

Core Selling Points

Engineered For
Cost & Performance

A balanced material solution engineered to replace virgin resin, boost physical properties, and integrate seamlessly into existing machinery.

Cost Reduction

Replaces virgin resin up to 50%, effectively lowering overall raw material cost for plastic processing.

Enhanced Rigidity

Boosts flexural modulus and stiffness while minimizing shrinkage and warping in finished items.

Superior Dispersion

Excellent compatibility with PP/PE, delivering smooth surface finish without agglomeration or white spots.

High Whiteness

Pure white pellets with Whiteness ≥95, enabling flexible color matching without yellowing over time.

Process Adaptability

Runs smoothly on standard processing equipment without requiring machinery modifications or extra investment.

Full Customization

Custom CaCO₃ content (74%–92%), carriers (PE/PP), particle sizes (3.5µ–25µ), and MFR to your exact specs.

Reliable Supply

20,000 tons/month capacity ensures uninterrupted supply for long-term and bulk enterprise orders.

REACH Compliance

Complies with EU REACH standards. Includes anti-oxidant & aging-resistant additives for longer product lifespan.

Interactive Tool

Estimate Your Cost Savings

Calculate how much you can save on raw material expenditures by substituting virgin plastic resin with our Calcium Carbonate Masterbatch.

Virgin Resin Cost ($ / Ton): Masterbatch Estimated Cost ($ / Ton): Filler Masterbatch Dosage (%): 25% Annual Plastic Production (Tons):

Estimated Annual Cost Savings

$187,500

By replacing 25% virgin resin with CaCO₃ Masterbatch, you save approx. $187.50 per ton of total output.

Tailored Solutions

Product Customization

Select preset parameters or enter your custom target CaCO₃ ratio below to tailor your exact masterbatch formulation.

CaCO₃ Content (%)

Custom Ratio: %

Carrier Resin

Particle Size D50 (µm)

Melt Flow Rate (MFR g/10min)

Selected Specification

CaCO₃ Content: 74% (Film Grade)
Carrier Resin: PE (Polyethylene)
Particle Size (D50): 3.5µ - 6µ (Fine)
Melt Flow Index: 1.5 - 3.0

Request Custom Sample

Product Specifications

Standard Product Series

Filter by application to review standard model specifications. All models support custom adjustments.

Model	Carrier	CaCO₃ Content	Particle Size (D50)	MFR (g/10min)	Density (g/cm³)	Primary Application
KX-15AYT	PP	92±1%	25µ	75–78	2.35	Injection Molded Products
KX-2821	PE	89±1%	14µ	10–10.5	2.24	Hollow Blow Molding
KX-2822	PE	87±1%	14µ	13–13.5	2.25	Hollow Blow Molding
KX-6012	PE	84±1%	6µ	2.1–2.5	2.22	Blown Film
KX-BC20TG	PP	89±1%	12µ	40–45	2.29	Injection Molding
KX-CM1360B	PE	87±1%	6µ	1.5–2	2.38	Blown Film
KX-CM1360XB	PE	87±1%	6µ	2.5–3	2.29	Blown Film
KX-CM8086A	PE	84±1%	4.5µ	2–2.5	2.11	Blown Film
KX-PP2023	PP	90±1%	20µ	25–25.5	2.33	Injection / Pipe Extrusion
TF-33	PE	74±1%	3.5µ	2.5–3	1.87	High-End Blown Film / Extrusion

Carrier Selection

Choose the Right Carrier Resin

Select PE or PP carrier resin based on processing method and physical performance requirements.

CARRIER RESIN SYSTEM

PP

For High Rigidity & Temperature Resistance

• Injection Molded Household & Appliance Goods
• Crates, Bins, Chairs & Automotive Components
• Pipe Extrusion & Rigid Profiles

CARRIER RESIN SYSTEM

PE

For Flexibility & Smooth Film Processing

• Shopping Bags, Garbage Bags, Express Bags
• Agricultural Mulch & Packaging Films
• Hollow Blow Molded Containers & Bottles

Performance Impact

Effect of Filler Ratio on Product Performance

How different CaCO₃ masterbatch addition levels influence mechanical properties, thermal stability, density, and production economics.

5% - 15%

Low Loading Range

Maintains original plastic clarity & flexibility
Slightly improves dimensional stability
Improves printing ink adhesion
Minor cost reduction benefits

15% - 30%

Optimal Economic Balance

Significant material cost reduction
Increases stiffness & heat deflection temp
Accelerates mold cooling & cycle time
Slight increase in specific gravity

30% - 45%

High Rigidity Grade

Maximum flexural modulus and rigidity
Eliminates mold shrinkage and warpage
Increases opacity and matte surface finish
Requires good dispersion agents

45% - 60%+

Ultra-High Loading

Maximum cost savings potential
Higher density & heavier weight feel
Reduces impact toughness slightly
Best suited for heavy crates & thick sheets

Applications

Versatile Plastic Processing

Suitable across a wide spectrum of plastic processing technologies and end-user market segments.

Blown Film

Blown Film Application

Widely used in T-shirt bags, shopping bags, courier bags, and agricultural mulch films. Improves bubble stability, tensile strength, and reduces raw resin consumption by up to 50%.

Recommended: KX-6012 / TF-33

Injection Molding

Ideal for plastic crates, trash cans, household items, and auto parts. Enhances product rigidity, accelerates cooling cycle time, and prevents surface warping.

Recommended: KX-15AYT / KX-PP2023

Blow Molding

Suitable for hollow containers, chemical drums, and water bottles. Ensures uniform wall thickness distribution, high stiffness, and smooth surface texture.

Recommended: KX-2821 / KX-2822

Pipes & Extrusion

Applied in HDPE/PP pipe manufacturing, corrugated tubes, woven sacks, and structural profiles. Significantly improves hoop stiffness and dimensional stability.

Recommended: KX-PP2023

Cast Film & Sheets

Designed for thermoforming plastic sheets, food packaging trays, and barrier films. Offers excellent dispersion and uniform opacity.

Recommended: KX-CM1360B

FAQ

Frequently Asked Questions

Q1: What is Calcium Carbonate Masterbatch?

Calcium Carbonate Masterbatch (CaCO₃ Masterbatch) is a pelletized compound containing high-purity calcium carbonate powder, polymer carrier resin (PE/PP), and dispersant agents. It is widely used in plastic manufacturing to improve product properties and reduce raw resin costs.

Q2: What are the primary functions of this masterbatch?

It serves three core purposes: 1) Replaces expensive virgin resin to cut material costs; 2) Enhances product rigidity, hardness, and heat deflection temperature; 3) Improves dimensional stability by reducing shrinkage and warpage.

Q3: Can masterbatch completely replace virgin resin?

No. Masterbatch is a functional filler modifier. Recommended addition rates range from 5% to 50% depending on the end application and performance requirements.

Q4: How does masterbatch affect mechanical properties?

Optimal addition increases flexural modulus, rigidity, and dimensional stability. Extremely high filling rates may slightly lower impact toughness, which can be balanced with custom additives.

Q5: What is the maximum recommended addition ratio?

Standard recommended addition is up to 50%. Custom formulations with high-dispersion agents can be engineered for specific high-loading applications.

Q6: Can we customize CaCO₃ content, carrier, particle size, and MFR?

Yes! We support complete customization: CaCO₃ content (74%–92%), carriers (PE/PP), particle sizes (3.5µ–25µ D50), and MFR (2–78 g/10min).

Q7: What is the Minimum Order Quantity (MOQ) and Sample Policy?

Standard MOQ is 1 FCL (approx. 25 tons). We provide FREE samples for testing and validation (clients cover international freight).

Q8: What are your lead times and payment terms?

In-stock items ship within 7–14 days; production orders take 15–20 days. We accept T/T (30% deposit + 70% before shipment), Visa, PayPal, L/C, D/A, and D/P.