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Shiraishi has been constructively developing and using calcium carbonate for 100 years. Even though many consumers may not notice the existence, the calcium carbonate products that we make are active in many diverse ways around them.
Such wide range of usage of calcium carbonate owes to the technologies that provided it in particle shape and even changed its properties in a number of ways. These technologies made it possible to link calcium carbonate with other materials according to needs. They help control the required properties of final products, including the reinforcing of rubber or plastic products, the gloss of paper, and more. Our task is to support macro engineering with micro level surfaces. In fact, our work is all about "surface".

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Shiraishi Kogyo Kaisha Homocal-D is a ultra-fine calcium carbonate which has 80 nm of particles as primary particle. These particles are surface coated with rosin acids in order to provide compatible surface modification when it is mixed with vehicle or diluents. Homocal-D is commonly applied to paint application where high concentrate formulation is required. Homocal-D contributes to improve brushing feature at the painting, also contributes to create glossy but smooth paint surface. Homocal-D, at the blend use with TiO2, contributes to improve water resistance, better anti alkaline and anti-gasoline properties.

Shiraishi Kogyo Kaisha HOMOCAL-D

Shiraishi Kogyo Kaisha Hakuenka CC is our original Ultra-fine precipitated calcium carbonate coated with organic compounds. It was originally developed for reinforcing rubber materials in the early 20th century. Hakuenka CC has 50 nm uniformed ultra-fine particles as primary particle. These particles are surface treated with fatty acid in order to improve dispersion property at mixing stage with organic materials. Hakuenka CC is specially applied for construction application where Silicone &amp; Polysulfide sealants are used. Hakuenka CC is commonly used as other application such as rubber, plastics and so forth.

Shiraishi Kogyo Kaisha HAKUENKA CC

Shiraishi Kogyo Kaisha Homocal G-50 is our calcium carbonates make possible newspaper ink as black as night, subtle offset hues, Shimmering gravure tints, long-lasting satin-finish paints, strikingly clear baked-on coatings. Ultra-fine calcium carbonate - superior in translucency, gloss and fluidity - means top-quality, low-cost ink and paint extender pigments.

Shiraishi Kogyo Kaisha HOMOCAL G-50

Shiraishi Kogyo Kaisha Brilliant-1500 advances in polymer chemistry have spurred a revolution in rubber and plastic production that has left its mark in every field of industry, as well as in our daily lives.Our originally developed calcium carbonates add strength, durability and rigidity to tires and conveyor belts; increase the heat and weather resistance of electric cables, pipes, films and home appliances; and stimulate product diversification with their simpler processing and forming.

Shiraishi Kogyo Kaisha Brilliant-1500

Shiraishi Kogyo Kaisha White IGV-IV is a ultra-fine calcium carbonate which has 80 nm of primary particle size.These particles are surface coated with rosin acid to improve dispersion property at the mixing. White IGV-is developed and designed for gravure ink as extender pigments.White IGV-is easy to disperse and provides both high gloss and transparency to those ink products.White IGV-also provides adequate low viscosity which is required for gravure ink.

Shiraishi Kogyo Kaisha White IGV-IV

Shiraishi Kogyo Kaisha Viscoexcel-30 is a ultra-fine calcium carbonate which has 30 nm of particle size. These particles are surface coated with fatty acid to improve dispersion property at the mixing. Viscoexcel-30 is developed and designed as calcium type rheologicalmodifier. Viscoexcel-30provides high viscosity and high thixotropicproperty, the same as fumed silica or organic agent. Viscoexcel-30provides better rheologicalproperty both at low and high shear area, also provides better workability at high shear area.

Shiraishi Kogyo Kaisha Viscoexcel-30

Shiraishi Kogyo Kaisha Hakuenka DD is our original Ultra-fine precipitated calcium carbonate coated with organic compounds. It was originally developed for reinforcing rubber materials in the early 20th century. Hakuenka DD has 50 nm uniformed ultra-fine particles as primary particle. These particles are surface treated with rosin acid in order to provide compatible surface modification when it is mixed with organic materials or with vehicle or diluents. Hakuenka DD is specially applied for off-set ink, natural and synthetic rubber application. Hakuenka DD is also used as other application such as printing ink, rubber and so forth.

Shiraishi Kogyo Kaisha HAKUENKA DD

Shiraishi Kogyo Kaisha

Shiraishi has been constructively developing and using calcium carbonate for 100 years. Even though many consumers may not notice the existence, the calcium carbonate products that we make are active 

Shiraishi Kogyo Kaisha - Calcium Carbonate - Particle Shape

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Shiraishi Kogyo Kaisha Homocal G-50 is our calcium carbonates make possible newspaper ink as black as night, subtle offset hues, Shimmering gravure tints, long-lasting satin-finish paints, strikingly 

Shiraishi Kogyo Kaisha HOMOCAL G-50 - 471-34-1 - Calcium Salts

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	Value	Units	Test Method / Conditions
Particle Shape	Cubic	—	—
pH	9.6	—	—
Whiteness (Kett)	98	%	—
BET Specific Surface Area	11	m2/g	—
BET Specific Surface Area	30	m2/g	—
Surface Coatings Agents	Fatty Acid	—	—
Diameter of a Primary Particle	50	nm	—
Crystal Structure	Calcite	—	—
Specific Gravity	2.49	g/cm3	—
Refractive Index	1.5-1.7	—	—
Whiteness	90	%	—
pH (Reference)	9.5	—	—
Average Particle Size	30	nm	—
Moisture	1	%	—

Shiraishi Kogyo Kaisha HOMOCAL G-50

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