1005 CALCIUM CARBONATE 5 MICRON

High-purity GCC for industrial applications requiring coarser particle size
Cemix 1005 Calcium Carbonate 5 Micron is engineered to deliver a smart balance of strength, opacity, and processing efficiency across diverse industrial applications. With an optimized medium-fine particle distribution (D50 of 5.5 μm, D98 of 30 μm) and high chemical purity, this grade ensures enhanced mechanical reinforcement, improved hiding power, and streamlined workability in plastics, coatings, construction materials, adhesives, and paper & packaging formulations.

Improved strength dimensional stability
Improves mechanical performance by increasing stiffness and impact resistance while minimizing shrinkage and warping in polymer applications.

Optimized particle distribution for performance cost efficiency
With a D50 of 5.5 μm, and D98 of 30 μm Cemix 1005 provides controlled dispersion and uniformity in formulations.

Reduces binder polymer demand
Improves cost efficiency without compromising performance.

Excellent dispersion workability
Ensures easy integration into solventborne and waterborne systems.

Reduces dust formation
Optimized particle size reduces handling issues in dry mix processing.

Local production and reliable package
Manufactured in Uzbekistan for stable supply and lower logistics costs. Supplied in durable, moisture-resistant 25 kg PE bags for safe storage and handling. Also possible to supply in Big Bags.

AREA OF USE

Plasticized PVC: Enhances surface smoothness, reduces cost, and increases opacity and mechanical properties

PVC coatings: Improves abrasion resistance, gloss, and application properties

Rigid PVC: Increases stiffness, extrusion speed, and thermal conductivity

Polyurethane systems: Boosts hardness, dimensional stability, and cost-efficiency

Calendered sheets & Cables: Improves rigidity, strength, and thermal properties

Polyolefins: Enhances molding performance, whiteness, and surface gloss

Advanced paints: Serves as a functional extender pigment and rheology modifier

Rubber formulations: Adds tensile strength, stiffness, and abrasion resistance

PHYSICAL PROPERTIES
Packed bulk density (ISO 787/11) 1.1 g/ml
PH value (ISO 787/9) 9.5
Oil absorption (ISO 787/5) 16 g / 100 g
Fineness  
Residue on a 45 µm sieve (ISO 787/7) 0.1%
Top cut (d98%) 30 µm
Mean particle size (d50%) 5.5 µm
Particles < 2 µm 25%
Optical properties  
Brightness (Ry, C/2º, DIN 53163) 92.5%
Brightness CIE L*, a*, b* (ISO 11664-4) 97.3/0.02/0.64
Moisture ex works (ISO 787/2) 0.2%
CHEMICAL PROPERTIES
CaCO3 98%
MgO 0.55%
Fe2O3 <0.05%
Al2O3 <0.1%
HCL insoluble content 0.15%