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Granic® 1027 by GCR Group is a 100% recyclable, environment friendly calcium carbonate grade. Acts as a cavitating agent. Exhibits controlled particle size distribution and low density. Provides an optimized balance between low density & stiffness and high tensile strength. Offers pearl appearance and high opacity, avoiding shiny spots appearance. Granic® 1027 can be processed using extrusion. It is recommended for pearlized and metalized BOPP films. It is certified to have low carbon footprint which allows the reduction of end product environmental impact.

Chemical Family: Calcium Salts, Carbonates, Polyolefins, Polypropylenes (PP)

Functions: Filler

Processing Methods: Extrusion, Film Extrusion

Carrier: Polypropylenes (PP), Resin-based

Features: Abrasion Resistant, Excellent Opacity, Excellent Tensile Properties, Food Contact Acceptable, Good Dispersion, Good Stiffness, Low Density, Narrow Particle Size Distribution

Synonyms: CaCO3

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    Identification & Functionality

    Chemical Name
    Plastics & Elastomers Functions
    CAS No.
    471-34-1
    EC No.
    207-439-9
    Technologies
    Chemical Composition

    Calcium Carbonate

    Features & Benefits

    Applications & Uses

    Plastics & Elastomers Processing Methods
    Applications/ Recommended for
    • Packaging
    • Extrusion
    • Safety, regulation & environment > Recyclability
    • Cost reduction > Low density
    • Mechanical/ physical performance > Stiffness
    • Visual aspect & esthetics > Pearlescence
    • Visual aspect & esthetics > Opacity

    Properties

    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    Bulk Density1.0g/ml
    Calcium Carbone Content71.0%
    Density1.7g/ml
    Humidity100.0ppm
    Melt Mass-Flow Re (MFR) ( 190°C. 2.16 kg)1.6g/10 min
    Particle Size (Top Cut. D98)max. 6µm
    Polymer Content29.0%
    Whiteness (Ry. C/2)93.5%DIN 53163