Sakai Chemical Industry

What Sakai Chemical Industry does

Sakai Chemical Industry Co., Ltd. (堺化学工業株式会社) is a diversified Japanese specialty chemicals manufacturer founded in 1918 as a zinc oxide refinery and incorporated in 1932, headquartered in Sakai, Osaka. The company is publicly listed on the Tokyo Stock Exchange Prime Market under ticker 4078 and operates through 10 group companies with domestic manufacturing facilities in Sakai, Senboku, Ishizu, Onahama, Yumoto, and Taiken, plus overseas subsidiaries in Vietnam (est. 2003) and Thailand (acquired 2018). Its product portfolio spans electronic materials (MLCC dielectric compounds, semiconductor sealing silica, piezoelectric materials, spherical zirconia dispersions), cosmetic materials (UV-blocking zinc oxide and titanium dioxide, plate-shaped barium sulfate, microplastic-bead alternatives Karumaru and Barimaru), pharmaceuticals (barium sulfate X-ray contrast agents and OTC medicines via subsidiary Kaigen Pharma), plastic additives (PVC stabilizers, hydrotalcite flame retardants, metal soaps), catalysts (DeNOx, dioxin decomposition, hydrogenation, polyester polymerization), barium and strontium compounds for coatings and electronics, organic chemicals (organosulfur/organophosphorus compounds), zinc oxide for rubber/plastics/electronics, and road marking materials.

The company's technical platform rests on three proprietary pillars: (1) Powder Processing Technology — hydrothermal synthesis of nano-level ultrafine particles, particle shape control producing hexagonal plate, needle, flower-like, and spherical morphologies, surface treatments such as high-density silica coating of zinc oxide to suppress photocatalytic activity, and high-purification techniques; (2) Organic Synthesis Technology — organosulfur and organophosphorus compounds used in resins, pharmaceuticals, lubricants, water treatment, and electronic materials; and (3) Pharmaceutical Manufacturing Technology — GMP-compliant production of active pharmaceutical ingredients and intermediates at Katayama Finechem. Notable branded lines include FINEX (ultra-fine transparent zinc oxide for cosmetics), BARIFINE (ultra-fine barium sulfate 0.01–0.1 μm for coatings), Sciqas (spherical amorphous silica for semiconductor encapsulation, including Sciqas-LT low-dielectric-dissipation silica), FighZinc (antibacterial/antiviral zinc oxide with SIAA and SEK certifications), LPZINC (large-particle zinc oxide for thermal-management fillers), HT-88F (halogen-free Mg-Al flame retardant hydrotalcite), and the newer Ir/ENETIA PEM water electrolysis anode catalyst plus ACA Series copper-based hydrogenation/methanol synthesis catalysts. The company holds Japan's top market share for X-ray contrast agents (barium sulfate) and claims to be the world's only manufacturer producing both NOx removal and dioxin decomposition catalysts from raw materials.

Sakai Chemical operates a B2B sales-led go-to-market model with direct sales offices in Tokyo and Osaka, supplemented by wholly-owned trading subsidiary Sakai Trading Co., Ltd. (堺商事株式会社, ticker 9967, fully acquired via tender offer completed 2023-07-13) for import/export and international distribution, plus regional manufacturing subsidiaries SAKAI CHEMICAL (VIETNAM) CO., LTD. and SIAM STABILIZERS AND CHEMICALS CO., LTD. in Thailand. Revenue derives from one-time sales of chemical products and commissioned manufacturing services (professional services) for pigments, colorants, functional inks, catalysts, and resin additives. Pricing is quote-based with multi-year contracts typical for industrial customers; no public pricing list exists. Marketing channels include major industry exhibitions (CITE JAPAN, JPCA Show, Chemical Material Japan, E-world energy & water, Vietnam Plas, Hydrogen Technology Expo Europe), a corporate website with specialized cosmetic tips site, active IR communications including financial results announcements, integrated reports, and shareholder meetings, plus direct customer engagement through sales departments specialized by product category (functional materials, inorganic materials, resin additives, cosmetic innovation). Q1 FY2026 consolidated net sales were ¥20,136 million.

Name

Sakai Chemical Industry

Legal name

SAKAI CHEMICAL INDUSTRY CO., LTD.

Website

https://sakai-chem.co.jp

Company type

Public

Founded year

1918

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Sakai Chemical Industry is a Japanese diversified specialty chemicals manufacturer serving electronics, cosmetics, pharmaceutical, plastic, and catalyst markets through proprietary powder processing, organic synthesis, and GMP-compliant pharmaceutical manufacturing technologies across 10 group companies in Japan, Vietnam, and Thailand.

Ownership category

akta.pro rank

Product category

Specialty Chemicals

NAICS

Other Basic Inorganic Chemical Manufacturing (325180), Synthetic Dye and Pigment Manufacturing (32513), Custom Compounding of Purchased Resins (325991)

SIC

Industrial Inorganic Chemicals (2810), Chemicals & Allied Products (2800), Adhesives & Sealants (2891)

akta.pro primary industry

Personal Care & Cosmetic Ingredients (IMAEABAJ)

akta.pro secondary industries

Adhesives & Sealants Chemicals (IMAEABAA), Medical & Food-Contact Specialty Compounds (IMANABAK)

Keywords

• Specialty chemicals manufacturing
• Inorganic chemical products
• Electronic materials production
• Plastic additives supply
• Industrial catalysts manufacturing

Headquarters

HQ city

Sakai

HQ country

Japan

HQ region

Asia

Offices11 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Chemical Products Sales: Sale of inorganic and organic chemical products including titanium dioxide, barium/strontium compounds, zinc oxide, resin additives, catalysts, electronic materials, cosmetic materials, and organic chemicals. Revenue from domestic and international sales through direct sales channels and group company distribution networks.
2. Contracted Manufacturing Services: Commissioned production services for inorganic/organic industrial products including pigments, colorants, functional inks, catalysts, and resin additives. Services provided through company and group facilities with various production equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Sakai Chemical Industry manufactures and sells inorganic and organic specialty chemicals across multiple industrial segments, including electronic materials (dielectrics for MLCC, spherical silica for semiconductor sealing), cosmetic ingredients (ultra-fine zinc oxide, titanium dioxide, plate-shaped barium sulfate), plastic additives (PVC stabilizers, hydrotalcites, flame retardants), catalysts (DeNOx, dioxin decomposition, hydrogenation, PEM/AEM water electrolysis), barium/strontium compounds, X-ray contrast agents, OTC pharmaceuticals, and road marking materials. The company also provides commissioned/contract manufacturing services for inorganic and organic industrial products including pigments, colorants, functional inks, catalysts, and resin additives.

Product overview

Sakai Chemical Industry is a diversified chemical manufacturer offering a broad portfolio of inorganic and organic chemical products across multiple business segments. The company's product lineup includes Electronic Materials (dielectrics, MLCC materials, spherical silica), Cosmetic Materials (titanium dioxide, zinc oxide, barium sulfate), Organic Chemical Products (organosulfur, organophosphorus compounds), Zinc Oxide Products (general-purpose, LPZINC, FighZinc), Plastic Additives (PVC stabilizers, metal soaps, hydrotalcites, flame retardants), Catalyst Products (DeNOx, hydrogenation, polymerization), Barium and Strontium Products (BARIFINE, BARIACE), Pharmaceuticals (contrast agents, OTC medicines), and Road Marking Materials. The company operates as a chemicals manufacturer with commissioned production services, leveraging core technologies in powder processing, organic synthesis, and pharmaceutical manufacturing.

Differentiator

Problem solved

Functional benefit

Brands

• FINEX: Superfine zinc oxide series for cosmetics with high transparency and UV-A shielding performance
• STR Series
• FighZinc
• LPZINC
• BARIFINE
• Sciqas
• ENETIA
• わわるくカンパニー (Wakuwaku Company)

Products and services

• Electronic Materials Dielectric materials, piezoelectric materials, and barium/strontium compounds for multilayer ceramic capacitors (MLCC), including high-purity perovskite compounds and spherical silica for electronic components. Sold to MLCC manufacturers and electronics OEMs.
• Cosmetic Materials Titanium dioxide (STR series), zinc oxide (FINEX series, XZ series), plate-shaped barium sulfate (H series), and microplastic bead alternatives (Karumaru, Barimaru) for sunscreens, skincare, and cosmetics. Sold to cosmetics manufacturers.
• Organic Chemical Products Organosulfur and organophosphorus compounds for resins, pharmaceuticals, lubricants, water treatment, and electronic materials including chain transfer agents, epoxy curing agents, and photosensitizers.
• Zinc Oxide Products General-purpose zinc oxide (Types 1-3), fine zinc oxide, LPZINC large-particle heat-dissipating zinc oxide, and FighZinc antibacterial/antiviral zinc oxide for rubber, coatings, plastics, electronics, and cosmetics.
• Plastic Additives PVC stabilizers (Ca/Zn, Ba/Zn, organic tin), metal soaps, hydrotalcites, and flame retardants (melamine cyanurate, magnesium hydroxide) for plastic stabilization and performance enhancement.
• Catalyst Products DeNOx catalysts, dioxin decomposition catalysts, hydrogenation catalysts (nickel, copper-based), polyester polymerization titanium catalysts, and catalyst carriers for environmental protection and chemical processes.
• Barium and Strontium Products Ultra-fine barium sulfate (BARIFINE series), barium sulfate (BARIACE series), barium/strontium carbonates, and pharmaceutical-grade barium sulfate for X-ray contrast agents, coatings, and electronics.
• Pharmaceuticals X-ray contrast agents (barium sulfate), gastrointestinal drugs, sclerosing agents, OTC medicines including cold remedy Kaigen, and health foods for medical and consumer health markets.
• Road Marking Materials LineFalt road marking paints, high-durability marking materials, tactile paving for visually impaired guidance, and safety materials for traffic and road infrastructure.
• Ir/ENETIA PEM Water Electrolysis Anode Catalyst PEM water electrolysis anode catalyst for green hydrogen production, reducing usage of precious metal iridium compared to conventional catalysts. Manufactured using conductive titanium oxide technology.
• ACA Series Hydrogenation and Methanol Synthesis Catalysts Copper-based hydrogenation and methanol synthesis catalysts free from chromium, used for alcohol production, CO2 reduction reactions, and green methanol synthesis.
• Contracted Manufacturing Services Commissioned production services for inorganic and organic industrial products including pigments, colorants, functional inks, catalysts, and resin additives. Services provided through company and group facilities.

Quantifiable outcome

• Japan's top share for X-ray contrast agents (barium sulfate)
• +1 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves13 records

Expansion highlights5 records

Direct peers

• Toho Titanium: Japanese manufacturer of titanium dioxide, titanium metal and catalysts. Comparable in TiO2 chemistry and catalyst portfolios, though Toho Titanium focuses more on high-purity/electronic-grade TiO2 than pigments.
• Titan Kogyo: Japanese titanium dioxide pigment and iron-oxide pigment manufacturer. Overlaps with Sakai's pigment-grade TiO2 franchise (now exiting) and shares end-customers in coatings and plastics.
• Tayca Corporation: Japanese manufacturer of zinc oxide, titanium dioxide and surface-treated ultrafine particles for cosmetics, electronics and coatings. Closest direct competitor to Sakai's ZnO/TiO2 and surface-treatment platforms, including UV-blocker and battery-grade materials.
• HakusuiTech: Japanese specialty chemicals producer with a strong barium sulfate and inorganic chemicals portfolio, including ultrafine barium sulfate for coatings. Closely comparable to Sakai's BARIFINE franchise and barium/strontium products.
• Nippon Chemical Industrial Co., Ltd. Japanese specialty chemicals company focused on phosphorus, chromium and silica chemicals. Comparable as a domestic Japanese inorganic/specialty chemical peer with overlapping electronic-materials and industrial-chemistry end-markets.
• Ishihara Sangyo Kaisha (ISK): Japanese TiO2 pigment, functional material and agricultural chemical producer. Directly comparable in titanium dioxide pigments, electronic materials and functional inorganic particles, competing for the same Japanese and Asian B2B customers.

Broad incumbents

• Nissan Chemical Corporation: Japanese specialty chemicals producer of display materials, semiconductor materials, agrochemicals and inorganic particles. Comparable in high-purity inorganic particles and electronic materials applications as a broader specialty-chemical incumbent.
• Resonac Holdings (formerly Showa Denko): Large Japanese diversified chemical and materials company with electronic materials, ceramics and specialty chemicals. Serves similar end-markets (semiconductors, MLCCs, plastics) as Sakai but at much larger scale and across a broader product portfolio.
• Mitsubishi Chemical Group: Japan's largest chemical group spanning polymers, performance materials, industrial gases and pharmaceuticals. Overlaps with Sakai in plastic additives, specialty chemicals and electronic materials as a broad incumbent rather than a niche specialist.
• Sumitomo Chemical: Major Japanese chemical conglomerate with petrochemicals, IT-related materials, plastics and pharmaceutical businesses. Competes with Sakai in specialty resins, additives and electronic materials from a far larger and more diversified base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sakai Chemical Industry