CALCIUM CARBONATE INFORMATION
Calcium Carbonate is available in two forms. The first form being a natural (GCC, ground calcium carbonate) and the second form being a purified (PCC, precipitated calcium carbonate). Each form has many grades depending on the customer’s application
USES FOR CALCIUM CARBONATE
Calcium Carbonate is used in a variety of different industries including the medical industry, the limestone industry, and more.
Calcium Carbonate
CALCIUM CARBONATE GCC 325 INFORMATION
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.
| Typical Chemical Specifications | |
|---|---|
| CaCO3 | 96.% |
| MgCO3 | 1.0% |
| Fe2O3 | 0.2% |
| Moisture | 0.5% |
| Typical Physical Specifications | |
|---|---|
| Brightness | 91 Hunter |
| Loose Density | 45 lb/Cu Ft |
| Tapped Density | 80 lb/Cu Ft |
| Oil Absorption | 15gr/100 gr oil |
| 325 Residue | 0.6% |
| Average Size | 12 micron |
CALCIUM CARBONATE GCC MODIFIED VERSUS UNMODIFIED COMPARISON INFORMATION
These are Ground Calcium Carbonate Limestones 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.
| Typical Chemical Specifications | |
|---|---|
| CaCO3 | 97.% |
| MgCO3 | 0.05% |
| Fe2O3 | 0.1% Max |
| Moisture | 0.2% Max |
| Typical Physical Specifications | #841 | #240 |
|---|---|---|
| Modification | None | Stearate |
| Brightness | 95 | 95 Hunter |
| Loose Density | 38 | 51 Lbs/ Cu ft |
| Tapped Density | 86 | 84 Lbs/ Cu ft |
| Oil Absorption | 16 | not measured |
| Average Particle | 7.5 Micron | 5.5 Micron |
CALCIUM CARBONATE GCC PHARMACEUTICAL GRADE 8107 INFORMATION
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.
| Chemical Analysis | |
|---|---|
| CaC03 | 99.0% |
| MgC03 | 0.20% |
| Al203 | 0.065 |
| Si02 | Less than 0.1% |
| Lead | Less than 0.80 ppm |
| Arsenic | Less than 0.2 ppm |
| Heavy Metals | Less than 20 ppm |
| Fluoride | Less than 50 ppm |
| Physical Specifications | |
|---|---|
| Specific Gravity | 2.71 |
| Refractive Index | 1.65 |
| Moisture % | Less than 0.3 |
| pH | 9.5 |
| LOI @ 1050 degrees C | 44.0 |
| Asbestos | nil |
| Median Particle Size (microns) | 4.5-6.0 |
| @ 90% finer than | 20 micron by Sedigraph |
| @ 10% finer than | 1.8 micron by Sedigraph |
| Dry Brightness – Photovolt Hunter L | 92+ |
| Oil Absorption (ASTM D 281) | 15 |
| Loose Bulk Density: (lbs/ft3) | 36 |
| Tapped Density: (lbs/ft3) | 87 |
| Hegman Fineness ASTM D 1210 | 3 |
CALCIUM CARBONATE GCC THREE FCC FOOD GRADES INFORMATION
These are three FCC grade Calcium Carbonates produced from ground, high purity limestone. They are tested, lot numbered, and sold with a confirmation certificate. The chemical specification is the same; the grades differ by particle size only.
| Chemical Analysis | |
|---|---|
| CaC03 | 94-97% |
| MgC03 | 1-2% |
| Al203 | 0.25-0.50% |
| Si02 | 1-2% |
| Fe203 | 0.25-0.50% |
| Physical Specifications | |
|---|---|
| CaC03 | 94.0% |
| Acid Insolubles | 2.5% |
| Arsenic | 3 ppm |
| Fluoride | 50 ppm max |
| Pb (Lead) | 3 ppm |
| Heavy Metals (ASPb) | 40 ppm max |
| Loss on Drying | 2.0% |
| Magnesium & Alkali Salts | 3.5% |
| Mercury | 0.5 ppm |
| Physical Properties | |||
|---|---|---|---|
| Grade | #15 | #25 | #41 |
| Dry Brightness | 95 | 94.5 | 94.5 |
| Bulk Density lb/ft3 | 25 | 31 | 38 |
| Oil Absorption | 21.5 | 19.5 | 18 |
| Average Particle Size | 3.5 | 5.4 | 9.4 |
CALCIUM CARBONATE GRANULAR FCC INFORMATION
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.
| Chemical Analysis | |
|---|---|
| CaC03 | 95% |
| MgC03 | 1-5% |
| Al203 | 0.25-0.50% |
| Fe203 | 0.04-0.10% |
| Physical Specifications | |
|---|---|
| CaC03 | 94.0% |
| Acid Insoluble | 2.5% |
| Arsenic | 3 ppm max |
| Fluoride | 0.005% |
| Pb (Lead) | 3 ppm max |
| Heavy Metals (as Pb) | 0.004%max |
| Loss on Drying | 2.0% max |
| Magnesium & Alkali Salts | 3.5% max |
| Mercury | 0.5 ppm max |
| Physical Analysis | |
|---|---|
| Color | White |
| Particle Size | 30 to 100 mesh |
| Apparent Density | 1.15 gr/ml |
| Approx. Void Fraction | 38% of granule |
CALCIUM CARBONATE GRANULATED USP INFORMATION
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.
| Chemical Analysis | |
|---|---|
| CaC03 | 98% Min (dried 200 degrees C 4 hours) |
| Magnesium & Alkali Salts | 1.0% Max |
| Fluoride | 40 ppm Max |
| Heavy Metals | 30 ppm Max |
| Lead | 10 ppm Max |
| Arsenic | 3 ppm Max |
| Hg | 0.5 ppm Max |
| Iron | 0.1% Max |
| Barium | Negative |
| Physical Analysis | |
|---|---|
| Color | White |
| Particle Size | 30 to 100 mesh |
| Apparent Density | 1.15 gr/ml |
| Approx. Void Fraction | 38% of granule |
CALCIUM CARBONATE HI-PFLEX 100 GCC INFORMATION
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.
| Chemical Specification (Before Treatment) | |
|---|---|
| CaC03 | 97% |
| MgC03 | 0.5% |
| Fe203 | Less than 0.1% |
| Moisture | Less than 0.2% @ 110 C |
| Physical Specification | |
|---|---|
| Appearance | Very white powder |
| Dry Brightness | 95 Hunter Y |
| Specific Gravity | 2.7 |
| Density Tapped | 81 lbs/cu ft |
| Surface Area | 3 m2/gr |
| Residue @ 325 mesh | Less than 0.01% |
| Passing 20 Micron | 100% |
| Passing 10 Micron | 80% |
| Passing 5 Micron | 55% |
| Density Loose | 50 lbs/cu ft |
| Passing 2 Micron | 30% |
| Passing 1 Micron | 15% |
| Chemical Specification | MB2 | ZFIL2 |
|---|---|---|
| CaC03 | 99.7% | 99.8 |
| SiO2 | 0.075 | 0.004 |
| Fe2O3 | 0.008 | 0.020 |
| Moisture | 0.2 mm | 0.2 mm |
| d97 | 10 micron | 10 micron |
| d50 | 1.2 | 1.5 |
| Sp | 2.7 | 2.7 |
| Oil Absorption | 20 | 20 |
| HCI insoluble | x | x |
CALCIUM CARBONATE NSF COARSE INFORMATION
Ground calcium carbonate with controlled particle size between 6 and 14 mesh screens. It is NSF registered for use in water filtration.
| Chemical Specification (Before Treatment) | |
|---|---|
| CaC03 | 97% |
| MgC03 | 0.5% |
| Fe203 | Less than 0.1% |
| Moisture | Less than 0.2% @ 110 C |
| PHYSICAL PROPERTIES: | |
|---|---|
| Hardness | Mohs |
| Refractive Index | 1.6 |
| Specific Gravity | 2.7 |
| Solid Density | 22.7 lb/gal |
| Bulk Density | |
| Loose | 90 lb/ft3 |
| Packed | 105 lb/ft3 |
| NSF Maximum Use Level | 650 mg/l |
CALCIUM CARBONATE PHARMA ULTRA PURE INFORMATION
This Calcium Carbonate powder comes in multiple sizes, with ultra high purity, and low traces or metals. Consistent quality control of calcium carbonate is guaranteed using an automated process control from milling to final packaging. All grades are made without the need for purification or chemical additives or modifiers.
Technical Specifications:
| Characteristics | Units | Specification |
|---|---|---|
| Median particle Size | μm | 4-20 μm |
| D99 Top Cut | μm | <=+50 |
| Mag & Alkali Salts | % | <2.5 |
| CAC03 Assay | % | >98 |
| Loss on Drying | % | <=2.0 |
| Acid Insoluble | % | <=1.0 |
| Heavy Metal AS PB | ppm | <=2.0 |
| Fluorides | % | <=0.005 |
| Lead | ppm | <=0.4 |
| Arsenic | ppm | <=0.3 |
| Aerobic Plate Count | CFU/g | <3000 |
| Yeast & Mold | CFU/g | <10 |
| Total Coliforms | CFU/g | <10 |
| Staphylococcus Aureus | /5g | Negative |
| E Coli | /5g | Negative |
| Salmonella | /5g | Negative |
CALCIUM CARBONATE PHARMA ULTRA PURE EPU INFORMATION
This Calcium Carbonate powder comes in multiple sizes, with ultra high purity, and low traces or metals. Consistent quality control of calcium carbonate is guaranteed using an automated process control from milling to final packaging. All grades are made without the need for purification or chemical additives or modifiers.
Technical Specifications: <spanstyle=”color: #ce5a20;”>European Pharmacopeia Standards
| Characteristics | Units | Specification |
|---|---|---|
| Median particle Size | µm | 10-20 µm |
| Mag & Alkali Salts | % | <1.0 |
| CAC03 Assay | % | >98 |
| Loss on Drying | % | <=2.0 |
| Acid Insoluble | % | <=2.0 |
| Sulphates | % | <=2.5 |
| Heavy Metal AS PB | ppm | <=20 |
| Fluorides | % | <=0.005 |
| Lead | ppm | <=0.25 |
| Arsenic | ppm | <=4 |
| Barium | pass/fail | pass/fail |
| Cadmium | ppm | <=0.5 |
| Chlorides | ppm | <=330 |
| Iron | ppm | <200 |
| Mercury | ppm | <=0.5 |
| Aerobic Plate Count | CFU/g | <3000 |
| Yeast & Mold | CFU/g | <10 |
| Total Coliforms | CFU/g | Negative |
| Staphylococcus Aureus | /5g | Negative |
| E Coli | /5g | Negative |
| Salmonella | /5g | Negative |
CALCIUM CARBONATE – FOOD GRADE INFORMATION
These are finely ground limestone products certified for us in food products and applications. They are characterized by their high brightness, low absporption of oil, and uniform sizing of particles. These Calcium Carbonates comply with all requirements of the Food Chemicals Codex (4th Edition) and are all certified as Kosher. Range of grades, 3.5 microns – 17.0 microns.
Applications include, flour enhancement, chewing gum (masticating agent), toothpaste, animal and pet feed, aids for material handling and processing.
TYPICAL PROPERTIES:
| Product | 15 | 25 | 41 | 45 | 75 | |
|---|---|---|---|---|---|---|
| Average Particle Size (microns) | 3.5 | 5.5 | 8.0 | 10.0 | 17.0 | |
| Specific Gravity | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | |
| Dry Brightness (Hunter Y, Rd value) | 96 | 96 | 95 | 94 | 90 | |
| Bulk Density | ||||||
| lbs / ft3 | 30 | 32 | 38 | 43 | 50 | |
| grams / cc | 0.48 | 0.51 | 0.61 | 0.69 | 0.80 | |
| Tap Density | ||||||
| lbs / ft3 | 62 | 74 | 86 | 87 | 90 | |
| grams / cc | 0.99 | 1.19 | 1.38 | 1.40 | 1.44 |
| CHEMICAL ANALYSIS (typical) | |
|---|---|
| CaC03 | 97.0 % |
| MgC03 | 0.5 % |
| Fe2O3 | < 0.1% |
| Moisture | < 0.1% |
| (% weight loss @ 110O C) |
CALCIUM CARBONATE – GROUND LIMESTONE INFORMATION
These are finely ground limestone products used in a range of fillers. They are characterized by their high brightness, low absporption of oil, uniform sizing of particles, and lower surface areas. These Calcium Carbonates are often used in paints, coatings, thermoplastic and building products. These are manufactured in New England from a high-quality deposit which provides consistency in chemical and mineralogical composition.
TYPICAL PROPERTIES:
| Product | 15-15 | 25-11 | 31-6 | 41-8 | 45-3 | |
|---|---|---|---|---|---|---|
| Average Particle Size (microns) | 3.5 | 5.5 | 6.5 | 8.0 | 10.0 | |
| +325 Mesh (weight %) | 0.004 | 0.004 | 0.1 | 0.1 | 0.25 | |
| Specific Gravity | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | |
| Dry Brightness (Hunter Y, Rd value) | 96 | 96 | 95 | 95 | 94 | |
| Bulk Density | ||||||
| lbs / ft3 | 30 | 32 | 36 | 38 | 43 | |
| grams / cc | 0.48 | 0.51 | 0.58 | 0.61 | 0.69 | |
| Tap Density | ||||||
| lbs / ft3 | 62 | 74 | 78 | 86 | 87 | |
| grams / cc | 0.99 | 1.19 | 1.25 | 1.38 | 1.40 |
| CHEMICAL ANALYSIS (typical) | |
|---|---|
| CaC03 | 97.0 % |
| MgC03 | 0.5 % |
| Fe2O3 | < 0.1% |
| Moisture | < 0.2% |
| (% weight loss @ 110° C) |
CALCIUM CARBONATE – PURCAL INFORMATION
This is a high purity calcium carbonate with very low trace metals. It is produced without chemical additives, purification or modifiers. It can be used in pharmaceutical and food applications, and it is certified Halal and Kosher.
| Typical Properties: | |
|---|---|
| Median Size | 4 – 20 μm |
| D99 Top Cut | ≤ +50 μm |
| MAG & Alkali Salts | < 2.5 % |
| CaCO3 | > 98 % |
| Loss on Drying | ≤ 2.0 % |
| Acid Insoluble | ≤ 1.0 % |
| Heavy metals | ≤ 20 ppm |
| Fluorides | ≤ 0.005 % |
| Lead | ≤ 0.4 ppm |
| Arsenic | ≤ 0.3 ppm |
| Aerobic plate count | < 3,000 CFU /g |
| Yeast and mold | < 10 CFU / g |
| Total coliforms | < 10 CFU / g |
CALCIUM CARBONATE UPF PRECIPITATED INFORMATION
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.
| Chemical (Before Treatment) | |
|---|---|
| CaC03 | 98% |
| MgC03 | Less than 0.1% |
| Fe203 | Less than 0.1% |
| Moisture | Less than 0.2% @ 110 C |
| Physical | |
|---|---|
| Appearance | Very white powder |
| Dry Brightness | 98 Hunter Y |
| Specific Gravity | 2.7 |
| Density Loose | 0.24 gr/cc |
| Density Tapped | 0.48 gr/cc |
| Surface Area | 19 m2/gr |
| Residue | 0.1% @ 325 mesh |
| Passing 500 nano | 99% |
| Passing 200 nano | 98% |
| Passing 100 nano | 85% |
| Passing 70 nano | 50% |
| Passing 50 nano | 12% |
CALCIUM CARBONATE USP PRECIPITATED DENSE AND EXTRA DENSE INFORMATION
A fine white powder used in manufacturing where high purity is required.
| Chemical Specification | |
|---|---|
| CaC03 | 98% Min (dried 200 degrees C 4 hours) |
| Magnesium & Alkali Salts | 1.0% Max |
| Fluoride | 40 ppm Max |
| Heavy Metals | 30 ppm Max |
| Lead | 10 ppm Maxon |
| Arsenic | 3 ppm Max |
| Hg | 0.5 ppm Max |
| Iron | 0.1% Max |
| Barium | Negative |
| Physical | Dense | Extra Dense |
|---|---|---|
| lb/cu ft packed | 51 | 61 |
| gr/cc packed | 0.81 | 0.98 |
| Average particle size | 3.0 Micron | 5.0 Micron |
| pH | 9.5 | 9.5 |
| Acid Insoluble | 0.2% Max | 0.2% Max |
CALCIUM CARBONATE USP PRECIPITATED LIGHT AND DENSE INFORMATION
A fine white powder used in food and pharmaceutical manufacturing where high purity is required.
| Chemical Specification | |
|---|---|
| CaC03 | 98% Min (dried 200 degrees C 4 hours) |
| Magnesium & Alkali Salts | 1.0% Max |
| Fluoride | 40 ppm Max |
| Heavy Metals | 30 ppm Max |
| Lead | 10 ppm Maxon |
| Arsenic | 3 ppm Max |
| Hg | 0.5 ppm Max |
| Iron | 0.1% Max |
| Barium | Negative |
| Physical | Dense | Light |
|---|---|---|
| lb/cu ft packed | 51 | 27 |
| gr/cc packed | 0.81 | 0.25 |
| Average particle size | 3.0 Micron | 1.9 Micron |
| pH | 9.5 | 9.5 |
| Acid Insoluble | 0.2% Max | 0.2% Max |
NANOMETRIC, STEARATE SURFACE TREATED PRECIPITATED CALCIUM CARBONATE INFORMATION
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.
| Chemical (Before Treatment) | |
|---|---|
| CaC03 | 98% |
| MgC03 | Less than 0.1% |
| Fe203 | Less than 0.1% |
| Moisture | Less than 0.2% @ 110 C |
| Physical | |
|---|---|
| Appearance | Very white powder |
| Dry Brightness | 98 Hunter Y |
| Specific Gravity | 2.7 |
| Density Loose | 0.24 gr/cc |
| Density Tapped | 0.48 gr/cc |
| Surface Area | 19 m2/gr |
| Residue | 0.1% @ 325 mesh |
| Passing 500 nano | 99% |
| Passing 200 nano | 98% |
| Passing 100 nano | 85% |
| Passing 70 nano | 50% |
| Passing 50 nano | 12% |
CALCIUM CARBONATE GCC LOW LEAD FROM ARIZONA INFORMATION
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.
| Chemical Analysis | |
|---|---|
| CaC03 | > 98.7% |
| MgCO3 | < 0.50% |
| SiO2 Total | < 0.20% |
| SiO2 Crystalline | < 0.07% |
| Fe203 | < 0.03% |
| Al203 | < 0.008% |
| Pb | < 0.30 ppm |
| Purity | |
|---|---|
| FCC Standard | Conforms |
| Physical Analysis | |
|---|---|
| Appearance | White Powder |
| Whiteness | 92+ |
| Fineness | 10 micron |
| Density Loose | 0.75 gr/cc |
| Density 30 taps | 1.20 gr/cc |
CALCIUM CARBONATE SMN LIMESTONES WATER TREATMENT INFORMATION
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.
| Chemical Analysis | |
|---|---|
| CaC03 | 98% |
| MgC03 | 0.70% |
| Si02 | 0.48% |
| Fe203 | 0.22% |
| Physical Analysis | |
|---|---|
| Color | Off White |
| Acid Insolubles | 0.6% |
| Appearance | Pebbles or grains, free of dust |
| Particle Size | ||
|---|---|---|
| SMN 10 | 5% +4 mesh | 2.5% -12 mesh |
| SMN 20 | 5% +6 mesh | 2% -30 mesh |
| SMN 40 | 5% +40 mesh | 2% -100 mesh |
SYNTHETIC CALCIUM CARBONATE ULTRA PURE QUAILTY INFORMATION
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.
| Chemical Specification | |
|---|---|
| CaC03 | 99.5 min.% |
| TRACE ANALYSIS, ppm +/- 10%: | |
|---|---|
| Mg | 50 ppm |
| Sr | 46. |
| Fe | 31. |
| Al | 5.16 |
| Ni | 1.36 |
| Zn | 1.060 |
| Cr | 0.740 |
| Cu | 0.290 |
| As | 0.226 |
| Mo | 0.098 |
| Pb | 0.026 |
| Cd | 0.0022 |
| Hg | 0.0002 |
| Physical Specification | |
|---|---|
| Appearance | Very white powder |
| Dry Brightness | 97 |
| Density Bulk | 0.87 gr/cc |
| Surface Area | 6 – 8 m2/gr |
| Residue | 0.1% @ 325 mesh |
| Mean Particle | 0.6 – 0.8 micron |
| Abrasion, Einlehner | Low – less than 1 gr/sq m |
| pH | 8 – 12 |
HIGH PURITY MEDITERRANEAN CALCIUM CARBONATE INFORMATION
These are high quality calcium carbonate of Greek origin particularly useful in and around the Mediterranean area. Three different particle sizes are available.
| Chemical Analysis | |
|---|---|
| CaCO3 | 99% min |
| MgO | 0.25 |
| SiO2 | 0.08 |
| Fe2O3 | 0.01 |
| Al2O3 | 0.03 |
| LOI | 43-45 |
| Moisture | 0.2% max |
| Physical Analysis | |
|---|---|
| Specific gravity | 2.7 g/cc |
| Refractive index | 1.59 |
| Hardness | 3 Mohs |
| Crystallinity | rhombohedral and microcrystalline |
| pH | 9 |
| Grade | 200 Mesh | 25 Micron | 10 Micron |
|---|---|---|---|
| d97 | 60 micron | 25 | 10 |
| d50 | 6 micron | 3.5 | 2 |
| d15 | 2 micron | – | – |
| Packed Density | 1.1 gr/cc | 1.1 | 0.9 |
| Dry Brightness (DIN6174) | 92.5 | 95.5 | 96 |
| Oil Absorption | 12 gr/100 | 16 | 20 |
| DOP Absorption | 25 gr/100 gr | 27 | 30 |
