Nano Calcium Carbonate

Nano Calcium Carbonate

1. Product Name & Chemical Identity

Full Trade Name Nano Calcium Carbonate (Abbreviation: NCC; also called Nano Precipitated Calcium Carbonate / NPCC) Synonyms Superfine Calcium Carbonate, Activated Nano Calcium Carbonate (surface-treated grade) Chemical Formule,CaCO₃ Molecular Weight,100.09 CASNumber,471-34-1,Non-dangerous goods, no UN number, no DG surcharge required

2. Core Physical & Chemical Properties

Appearance: White, odorless hexagonal crystal powder Particle Size: 1–100 nm (nano-scale; common commercial grades: 20–80 nm) Purity: ≥98.5% CaCO₃; low impurity (Fe₂O₃ ≤0.01%, SiO₂ ≤0.02%) Whiteness: ≥97%, high gloss & hiding power Solubility: Insoluble in water & ethanol; soluble in inorganic acid with CO₂ released Density: True density 2.93 g/cm³; loose bulk density 0.3–1.4 g/cm³ Surface Treatment: Most industrial grades coated with stearic acid for hydrophobicity & good resin compatibility Special Nano Characteristics Large specific surface area (SSA: 30–60 m²/g) Excellent reinforcement & toughening effect (unique small-size effect) Good thixotropy, dispersion & rheological performance Low oil absorption, high filling ratio to reduce raw material cost Stability: Stable at room temperature; decomposes above 825°C; non-flammable, non-explosive Moisture: ≤0.2%

3. Main Industrial Applications

(1) Plastic Industry (Largest Application) PVC pipes, profiles, wire & cable sheath, plastic film, masterbatch, PP/PE/PA engineering plastics, auto plastic parts. Improve tensile strength, impact toughness, bending modulus & thermal deformation temperature Boost surface gloss & dimensional stability; cut resin consumption to lower production cost (2) Rubber Industry Natural rubber, SBR, rubber tubes, belts, tires, sealing strips. Partial replacement of white carbon black & carbon black as reinforcing filler Enhance rubber hardness, wear resistance & processing fluidity (3) Coatings & Water-based Paints Interior/exterior architectural coatings, industrial anti-corrosion coatings, latex paint. Optimize suspension stability, anti-sagging property & hiding power Reduce titanium dioxide dosage for cost saving (4) Printing Ink Offset ink, gravure ink, plastic ink. Improve ink viscosity, printing smoothness & dot reduction performance Endow printed surface with uniform gloss (5) Adhesives & Sealants Silicone sealant, PU adhesive, hot melt glue. Offer thixotropy to prevent sagging; strengthen bonding strength (6) Paper Making High-gloss coated paper, filler for cultural paper. Raise paper smoothness & whiteness. (7) Other Fields Cosmetics & personal care: Mild abrasive, whitening filler Food & pharmaceutical: Calcium supplement, antacid excipient (food/pharma grade) Ceramics, putty, feed additive

Product technical consultation: E-mail:Sales@hxochem.com Whatsapp: +8613330004268, WeChat: +8613285168509