DESCRIPTION OF CALCIUM CARBONATE

Mineral Description

Calcium Carbonate is available in two forms: as a natural (GCC, ground calcium carbonate)or a purified (PCC, precipitated calcium carbonate). Each form has many grades depending on the customer's application.

GRADES OF CALCIUM CARBONATE

Views its grade


Cal Carb GCC 325 - This is an Air Ground Lime Stone suitable as a practical filler. It is white, soft to the touch, has a low oil absorption, low cost, and is readily available.

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Cal Carb GCC Arizona Low Lead - This is a natural, high purity limestone mined in Arizona. It is selected to meet the stringent California lead standard and the demands of high pharmaceutical purity.

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Cal Carb GCC Mod/Unmod Compar - These are Ground Calcium Carbonate Lime Stones in both a modified with magnesium stearate (#841) and an unmodified form (#240). Both items are practical fillers. They are white, soft to the touch, and have a low oil absorption.

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Cal Carb GCC Pharma Grade 8107 - This is the highest quality GCC with low lead and suitable for Pharmaceutical tablets. It meets all the pharmaceutical standards including the strict California trace Lead requirement.

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Cal Carb GCC Three FCC Food Grades - These are three FCC grade Calcium Carbonates produced from ground, high purity limestone. They are tested, lot numbered, and sold with a conformation certificate. The chemical specification is the same; the grades differ by particle size only.

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Cal Carb GCC/PCC Comparison - This is a comparison of typical specifications between USA produced Ground Calcium Carbonate (GCC) and USP Precipitated Calcium Carbonate (PCC).

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Cal Carb Granulated FCC - This FOOD CHEMICAL CODEX material is granulated from naturally occurring limestone without the use of additives. It is an entirely pure material suitable for direct compression tablet manufacturing.

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Cal Carb Granulated USP - This USP material is granulated from high quality PCC powders without the use of additives. It is an entirely pure material suitable for making direct compression tablets. manufacturing. Lot numbers and C of A available on all packages.

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Cal Carb Hi-Pflex 100 GCC - This GCC is surface treated with 1% of Calcium Stearate. This surface treatment enhances the physical properties of a variety of polymeric matrices: Rigid PVC e.g. potable water pipe, DWV, sewer pipe, flexible PVC wire, cable coverings, PVC plastisols, PP compounds etc. Also used as a general filler.

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Cal Carb PCC Dense & Extra D_ U - A fine white powder used in manufacturing where high purity is required.

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Cal Carb PCC Light & Dense USP - A fine white powder used in food and pharmaceutical manufacturing where high purity is required.

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Cal Carb PCC Nano - This PCC is specially produced to nanometric size. It is surface treated with stearic acid to increase its ease of dispersion. Consider this nanometric PCC a high performance filler and functional additive. It will enhance the physical properties of a variety of polymeric matrices: in Rigid PVC applications it improves impact, strength and weatherability. In injection molded and extruded parts it produces an exceptional smoothness and gloss. It will lower the gas permeability of the product, a benefit to sealants.

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Cal Carb PCC Surface modified - This PCC is a surface treated, high performance, ultrafine precipitated Calcium Carbonate. Considered a functional additive, UPF PCC enhances the physical properties of a variety of polymeric matrices; in Rigid PVC applications UPF PCC improves impact strength and weatherability. UPF PCC used in a formulation produces injection molded and extruded parts of exceptional smoothness and gloss.

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Cal Carb PCC Ultra Low Lead - This is a Calcium Carbonate which is certified by lot number using Graphite Furnace AA Methods to meet the tough California lead standards. It is certified also to meet USP & FCC standards and is extremely white.

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Cal Carb SMN Limestones Water Treatment - These are hard, calcium limestone carbonate grades. They are coarse pebbles and free of fines. Their major application is for water treatment, pH control, etc.

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PCC Ultra Pure - This PCC is specially produced by an unusual process which allows the nearly perfect removal of impurities before the precipitation process. This is a high performance material and functional additive with very low abrasion. It is recommended for use when trace impurities cannot be tolerated.

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High Purity Mediterranean - These are high quality calcium carbonates of Greek origin particularly useful in and around the Mediterranean area. Three different particle sizes are available.

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