Bihoku Funka Kogyo Co., Ltd.

Calcium carbonate for food additives

General Information

  • Appearance: White fine powder.
  • Regulation: Japanese manufacturers must pass food additive standards in order to sell Calcium carbonate as food grade.
  • Applications: Calcium supplement, Infant formula, Food additive.
  • Source: Food grade Calcium carbonate must be produced from high-purity limestone.

Product Features

  • We have mines with abundant reserves of high-purity limestone.
  • We own Karabitsu mine, which produces the best quality crystalline limestone in the world.
  • Karabitsu mine had 100 million tons in reserve, enough to last for 500 years.
  • We carry out pharmaceutical-grade level quality control in the production of food-grade Calcium carbonate.
  • We are Halal, FSSC22000, ISO9001, ISO14001 and GMP (Good Manufacturing Practice) certified.
  • We carry out quality control and production in accordance with cGMP.
Calcium carbonate for food additives

Appearance

Packing

Paper bag of 25 kgs. net

Palletized package

Palletized package

Basic Information

CAS No.
471-34-1
Chemical formula
CaCO3
FW/MW
100.09
Specific gravity
2.7
Melting point
1340 degree C.
Solubility
0.0014% (25 degree C.)
Appearance
White fine powder
Harmonized system (HS code)
2836.50
Country of origin
Japan
UN number
N/A

Specification

CALMIGEN AS

Item Japanese Specification and Standards for Food Additives CALMIGEN AS
Hydrochloric acid-insoluble substances 0.20% max. 0.20% max.
Free alkali Disappearance of pink colouring Disappearance of pink colouring
Lead (as Pb) 3 μg/g max. 3 μg/g max.
Alkali metals and magnesium 1.0% max. 1.0% max.
Barium 0.030% max. 0.030% max.
Arsenic (as As) 3 μg/g max. 3 μg/g max.
Loss on drying 1.0% max. 1.0% max.
Assay 98.0 - 102.0% 98.0 - 102.0%
Packaging - 15 kgs.
Whiteness - 96.0% min.
Average particle size (by Air-permeability method) - 2.5 μm
D50 Particle size (Reference) (Laser diffraction analysis (McrotracMT3300) - 1.0 μm

CALMIGEN A

Item Japanese Specification and Standards for Food Additives CALMIGEN A
Hydrochloric acid-insoluble substances 0.20% max. 0.20% max.
Free alkali Disappearance of pink colouring Disappearance of pink colouring
Lead (as Pb) 3 μg/g max. 3 μg/g max.
Alkali metals and magnesium 1.0% max. 1.0% max.
Barium 0.030% max. 0.030% max.
Arsenic (as As) 3 μg/g max. 3 μg/g max.
Loss on drying 1.0% max. 1.0% max.
Assay 98.0 - 102.0% 98.0 - 102.0%
Packaging - 15 kgs.
Whiteness - 96.0% min.
Average particle size (by Air-permeability method) - 1.0 μm
D50 Particle size (Reference) (Laser diffraction analysis (McrotracMT3300) - 2.0 μm

CALMIGEN S

Item Japanese Specification and Standards for Food Additives CALMIGEN S
Hydrochloric acid-insoluble substances 0.20% max. 0.20% max.
Free alkali Disappearance of pink colouring Disappearance of pink colouring
Lead (as Pb) 3 μg/g max. 3 μg/g max.
Alkali metals and magnesium 1.0% max. 1.0% max.
Barium 0.030% max. 0.030% max.
Arsenic (as As) 3 μg/g max. 3 μg/g max.
Loss on drying 1.0% max. 1.0% max.
Assay 98.0 - 102.0% 98.0 - 102.0%
Packaging - 20 kgs.
Whiteness - 96.0% min.
Average particle size (by Air-permeability method) - 2.0 μm
D50 Particle size (Reference) (Laser diffraction analysis (McrotracMT3300) - 4.5 μm

CALMIGEN

Item Japanese Specification and Standards for Food Additives CALMIGEN
Hydrochloric acid-insoluble substances 0.20% max. 0.20% max.
Free alkali Disappearance of pink colouring Disappearance of pink colouring
Lead (as Pb) 3 μg/g max. 3 μg/g max.
Alkali metals and magnesium 1.0% max. 1.0% max.
Barium 0.030% max. 0.030% max.
Arsenic (as As) 3 μg/g max. 3 μg/g max.
Loss on drying 1.0% max. 1.0% max.
Assay 98.0 - 102.0% 98.0 - 102.0%
Packaging - 25 kgs.
Whiteness - 96.0% min.
Average particle size (by Air-permeability method) - 2.5 μm
D50 Particle size (Reference) (Laser diffraction analysis (McrotracMT3300) - 8.0 μm

CALMIGEN B

Item Japanese Specification and Standards for Food Additives CALMIGEN B
Hydrochloric acid-insoluble substances 0.20% max. 0.20% max.
Free alkali Disappearance of pink colouring Disappearance of pink colouring
Lead (as Pb) 3 μg/g max. 3 μg/g max.
Alkali metals and magnesium 1.0% max. 1.0% max.
Barium 0.030% max. 0.030% max.
Arsenic (as As) 3 μg/g max. 3 μg/g max.
Loss on drying 1.0% max. 1.0% max.
Assay 98.0 - 102.0% 98.0 - 102.0%
Packaging - 25 kgs.
Whiteness - 95.0% min.
Average particle size (by Air-permeability method) - 5.5 μm
D50 Particle size (Reference) (Laser diffraction analysis (McrotracMT3300) - 20 μm

Regulatory Approvals

ISO 9001
Certified
ISO 14001
Certified
REACH
N/A
Halal
Certified
Kosher
N/A
FDA
N/A
FSSC 22000
Certified
GMP
Certified

Final Products

  • Supplement
  • Infant formula

FAQ

Do you ship overseas?
Yes, we have been supplying food additive-grade Calcium carbonate overseas for a significant period of time. In recent years, we have increased shipments of this product for use in infant formula to South East Asia.
How much food additive-grade calcium carbonate do you export per month?
We export about 300 M/T per month.

End User Comments

Overseas infant formula maker

“Bihoku's food additive-grade calcium carbonate is of high-purity and a stable quality. We heard that the Bihoku plant has pharmaceutical-grade level quality control, so we have been using it with confidence for many years.”

Who manufactures Calcium carbonate for food additives?

Bihoku Funka Kogyo Co., Ltd.

Aerial Shoot

Introduction

  • We are the leading suppliers of Calcium carbonate in the fields of food additives and pharmaceuticals.
  • We own Karabitsu mine, which produces the best quality crystalline limestone in the world. With 100 million tons in reserve, there is enough limestone to last for 500 years.
  • We are the only manufacturer of pharmaceutical-grade Calcium carbonate in Japan.

History

1942 Established in Okayama prefecture, Japan.
Niimi Plant (No.1) completed.
Yogai mine developed.
1965 Niimi Plant (No.2) completed.
1995 Karabitsu mine developed.
2002 Head office, Niimi Plant, Karabitsu mine and Osaka office ISO 9001:2000 certified.
2003 Fukushima Plant and Otakine mine ISO 9001:2000 certified.
2004 Head office, Niimi Plant, Tetta Plant, Osaka office and Karabitsu mine ISO 14001:2004 certified.
2005 Tetta Plant ISO 9001:2000 certified.
2016 Fukushima Plant and Otakine mine ISO 14001:2004 certified.
Tetta Plant halal certified.

Company Overview (as of March 1, 2021)

Company name Bihoku Funka Kogyo Co., Ltd.
Head office 704, Nishigata, Niimi City, Okayama, 718-0017, Japan
Date of establishment January 1, 1942
Capital JPY 35 million
Number of employees 156
Location Head office: Okayama
Branch office: Osaka
Plants: Fukushima, Okayama

Plants

Plant location map

Niimi Plant

  • The Niimi plant, which is our primary plant and is located near Karabitsu mine in Okayama prefecture, started operations when our company was established.

    ISO 9001
    ISO 14001

    Calcium carbonate (Industrial grade)

Fukushima Plant

  • The Fukushima plant is located in Tamura city, Fukushima prefecture. It mainly manufactures industrial grade Calcium carbonate for eastern Japan.

    ISO 9001
    ISO 14001

    Calcium carbonate (Industrial grade)

Tetta Plant

  • The Tetta plant is adjacent to the Karabitsu mine. The Niimi plant manufactures Calcium carbonate for food additives and pharmaceuticals in a completely clean room that eliminates extremely fine dust and dirt.

    ISO 9001
    ISO 14001
    Halal
    Pharmaceutical manufacturing license
    GMP (Good Manufacturing Practice)
    FSSC 22000

    Calcium carbonate (Pharmaceutical grade and food grade)

Karabitsu mine

  • The Karabitsu mine produces some of Japan's finest crystalline limestone and has an estimated reserve of 100 million tons. High-purity, high-whiteness products are backed by this excellent raw material.

    ISO 9001
    ISO 14001

    Calcium carbonate (Industrial grade)

Otakine Mine

  • The Otakine mine produces high-grade, high-white limestone with high crystallinity and few impurities.

    ISO 9001
    ISO 14001

    Calcium carbonate (Industrial grade)