What Kisuma Chemicals does

Kisuma Chemicals B.V. is a Netherlands-headquartered specialty chemicals company and wholly-owned subsidiary of Japan's Kyowa Chemical Industry Co., Ltd., operating as the world's largest producer of synthetic hydrotalcite (layered double hydroxides) and a leading supplier of magnesium hydroxide-based additives. The company's core technology platform is synthetic layered double hydroxides with anion-exchange capability, industrially pioneered by Kyowa in 1970 and scaled at the Veendam production site (operational since 1999). Its three flagship branded product families — ALCAMIZER for PVC heat stabilization, DHT-4 for polyolefin acid scavenging, and KISUMA 5 for non-toxic magnesium hydroxide flame retardancy — are complemented by newer offerings including Setogem RD (a dual-function nucleator/acid scavenger for polypropylene), KISUMA X (halogen-free flame retardant), Zenthos FR (antimony trioxide replacement in flexible PVC), and HiMago (a proprietary sorbent for SEWGS carbon capture technology demonstrated at industrial scale with SSAB).

The company generates revenue through direct enterprise sales via regional offices in the Netherlands, the United States, Singapore, Shanghai, and Japan, supplemented by a 24/7 e-commerce webshop with publicly disclosed per-bag pricing for select SKUs (e.g., DHT-4A at €151.20/20kg) and channel/warehousing support from HUSA Logistics. End-markets are diversified across plastics, medical and pharmaceutical, agriculture, automotive, construction and industrial, packaging, and lifestyle/textiles, with a targeted push into industrial carbon capture via the SEWGS platform. Globally, Kisuma operates three production hubs (Veendam, Sakaide/Yashima in Japan, Dandong in China) and seven business and technical service centers, employs 1,000+ people across the parent group, and dedicates approximately 10% of its workforce to R&D. Multiple food-contact approvals (EU, Switzerland, Brazil, Japan) and alignment with EU REACH and RoHS restrictions on heavy metals and halogenated compounds form a key regulatory moat for the business model.

The company is privately held by parent Kyowa Chemical Industry and is led by Managing Director Masao Inoue (since June 1, 2025), who succeeded Marcel Oolbekkink. Recent strategic emphasis has been on regulatory-driven product extensions (ATO and talc replacements, halogen-free flame retardants), geographic and vertical expansion into carbon capture and blue hydrogen, and consolidation of the Chinese subsidiary (Kisuma Dandong, acquired 2021). Revenue is not publicly disclosed.

Name

Kisuma Chemicals

Legal name

Kisuma Chemicals B.V.

Website

https://kisuma.com

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

101–250 employees

Short description

Kisuma Chemicals is the world's largest producer of synthetic hydrotalcite and magnesium hydroxide additives, supplying acid scavengers, PVC heat stabilizers, and flame retardants to plastics, medical, automotive, agricultural, and packaging customers from production hubs in the Netherlands, Japan, and China.

Ownership category

akta.pro rank

Product category

Specialty Chemical Additives

NAICS

Other Basic Inorganic Chemical Manufacturing (325180), Other Chemical Product and Preparation Manufacturing (3259)

SIC

Industrial Inorganic Chemicals (2810), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Specialty Surfactants & Performance Additives (IMAEABAL)

Keywords

• Synthetic hydrotalcite production
• Polymer acid scavengers
• Magnesium hydroxide flame retardants
• PVC heat stabilizers
• Specialty chemical additives

Headquarters

HQ city

Veendam

HQ country

Netherlands

HQ region

Europe

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Specialty Chemical Additives Sales: Sale of synthetic hydrotalcite, magnesium hydroxide flame retardants, and related additives to industrial customers in plastics, rubber, coatings, and other markets. Products sold through direct sales, e-commerce webshop, and channel partners with per-transaction pricing.
2. Catalyst and Adsorbent Materials: High-purity functional materials including hydrotalcites, mixed metal oxides, spinel-type materials, magnesium silicates, and aluminosilicates for catalytic and adsorption applications in carbon capture, petrochemical processes, and chemical recycling.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels7 records

Core offering

Kisuma Chemicals manufactures and sells synthetic layered double hydroxide (hydrotalcite) and magnesium hydroxide-based specialty chemical additives for industrial markets. Its core offerings are organized into three flagship product lines—ALCAMIZER (hydrotalcite heat stabilizers for PVC), DHT-4 (acid scavengers for polyolefins and rubbers), and KISUMA 5 (magnesium hydroxide flame retardants)—plus emerging offerings such as Setogem RD, KISUMA X, Zenthos FR, and HiMago sorbent for SEWGS carbon capture. The company produces under license from parent Kyowa Chemical Industry patents and supplies industrial customers in plastics, automotive, medical, agricultural, construction, and packaging applications globally.

Product overview

Kisuma Chemicals is a global leader in synthetic hydrotalcite and magnesium-based additives for industrial markets. The company operates as a subsidiary of Kyowa Chemical Industry (Japan) and is the world's largest producer of synthetic hydrotalcite. The core product portfolio consists of three main branded product lines: ALCAMIZER™ (hydrotalcite heat stabilizers for PVC), DHT™-4 (synthetic hydrotalcite acid scavengers for polyolefins and rubbers), and KISUMA™ 5 (magnesium hydroxide flame retardants). Recent innovation includes Setogem™ RD, a dual-function nucleating agent and acid scavenger for polypropylene, plus KISUMA™ X and Zenthos™ FR for halogen-free flame retardancy. The company also produces specialized materials for catalysis and adsorption applications including carbon capture (SEWGS sorbent HiMago), and offers pharmaceutical and food-grade products through dedicated facilities in Japan.

Differentiator

Problem solved

Functional benefit

Brands

• DHT-4: Flagship brand of synthetic hydrotalcite-like materials; considered the industry's gold standard for deactivation of acidic residues in polyolefins
• ALCAMIZER
• KISUMA 5
• Setogem RD
• KISUMA X
• Zenthos FR
• HiMago

Products and services

• DHT-4 synthetic hydrotalcite acid scavengers Flagship synthetic hydrotalcite acid scavenger product line for polyolefins and rubbers. Provides irreversible deactivation of acidic residues, protects polymers from corrosion, prevents additive deactivation, increases hydrolytic stability, and improves organoleptic properties. Variants (DHT-4A, DHT-4V, DHT-4A-2, DHT-4C) target general-purpose, raffia/rubber, foam insulation, and high-temperature BOPE film applications.
• ALCAMIZER hydrotalcite heat stabilizers for PVC Hydrotalcite-based acid scavenger product line designed specifically for PVC stabilization. Provides non-toxic, heavy-metal-free heat stabilization as alternatives to lead and tin stabilizers, working in Ca/Zn, Ca/organic, and tin stabilizing systems. Variants (1, Plus, P93, WP, 2, 5) serve wire/cable, window profiles, wall coverings, automotive interiors, CPVC, and PU-contacting PVC applications.
• KISUMA 5 magnesium hydroxide flame retardants Environmentally safe magnesium hydroxide (MDH) product line used as non-toxic flame retardants. Decomposes endothermically above 340°C forming magnesium oxide and water for cooling and protective layer formation, providing flame retardancy and smoke suppression without toxic or corrosive gas generation. Variants (5A, 5JL, 5B-1G, 5B) address wire/cable, LSZH, coatings, adhesives, sealants, elastomers, and low-temperature flexible applications.
• Setogem RD dual-function nucleator and acid scavenger Next-generation dual-function additive combining nucleating agent and acid scavenging technologies in a single molecule for polyolefin applications. Provides superior stiffness/impact balance, faster crystallization, shorter cycle times, and simplified formulations. Zinc-free, replaces talc loading from several kg/ton to 200–300 ppm, reducing CO2 emissions by over 2 kilotons per year for major customers.
• KISUMA X halogen-free flame retardant Next-generation synthetic magnesium hydroxide flame retardant with unique high-aspect-ratio particle shape. Achieves halogen-free flame retardant (HFFR) performance at lower dosage levels in polyolefin, EVA, and nylon compounds for data center cables, renewable energy power cables, automotive wires, LSZH building wires, and consumer electronics applications.
• Zenthos FR antimony trioxide replacement Flame retardant product family designed for partial or full replacement of antimony trioxide (ATO) in flexible PVC. Offers zinc and zinc-free options with multifunctional benefits including char formation, smoke suppression, thermal stabilization, and improved weatherability for flexible PVC and PVC plastisol applications.
• HiMago SEWGS sorbent for carbon capture Specialized sorbent material developed and produced by Kisuma for Sorption Enhanced Water Gas Shift (SEWGS) technology used in carbon capture applications. Enables 97.5% carbon capture purity, blue hydrogen production at 400°C, and 30% cost savings versus alternative carbon capture methods in steel, refining, and power industry applications.
• Magmitt pharmaceutical antacids and excipients Pharmaceutical-grade antacids and excipients sold under the Magmitt brand by Kisuma Food Service Co., Ltd. (Japan) since 1999, serving pharmaceutical and food applications under the parent's pharmaceutical division.
• Catalyst and adsorbent materials (mixed metal oxides, spinels, magnesium silicates, aluminosilicates) High-purity functional materials including mixed metal oxides, spinel-type materials, magnesium silicates, and aluminosilicates for catalytic and adsorption applications in petrochemical processes, chemical recycling, and mixed-plastic pyrolysis oil upgrading.

Quantifiable outcome

• DHT-4 provides 3x more effective acid scavenging than traditional acid scavengers
• +6 more outcomes

Named customers4 records

Segments8 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered strategic, core and flagship.

• ZEONstrategicStrategic or Co-development Partner · 7 October 2025Collaborative effort with ZEON, a globally respected leader in synthetic rubber solutions, to demonstrate DHT-4 advantages in rubber formulations. ZEON provided parts and expertise to test DHT-4 as a drop-in replacement for traditional stabilizers in various rubber grades, confirming improved aging profiles and reduced swelling.
• HUSA LogisticscoreChannel Partner/ Reseller/ Distributor · 11 September 2025Long-standing logistics partnership providing transport services, loading/unloading facilities, and over 70,000 m² of storage capacity in Veendam. Partnership extended in 2025 with introduction of fully electric Mercedes E-Actros truck for sustainable transport between Kisuma factory and HUSA warehouse.
• TNO (Netherlands Organisation for Applied Scientific Research)coreStrategic or Co-development Partner · 1 January 2010Partnership since 2010 between Kisuma and TNO-owned technology platform focused on steel, refineries, and power industries to develop Sorption Enhanced Water Gas Shift (SEWGS) technology. Kisuma develops and produces the HiMago sorbent material used in SEWGS for reactive separation of H2 and CO2 from syngas.
• SSABflagshipStrategic or Co-development PartnerSwedish steel company where SEWGS technology is being successfully demonstrated at industrial scale (TRL 6). The pilot project consists of a 10-meter tall SEWGS installation containing 3,000 kilos of Kisuma's HiMago sorbent material, capturing 14 tonnes of CO2 per day. Planned expansion to multiple columns capturing 5x more CO2.
• MinipakstrategicStrategic or Co-development PartnerColombian food packaging company that adopted ALCAMIZER 1 to replace tin stabilizers in PVC food packaging films. Produces translucent, metallized, and printable white films for confectionery packaging with improved cost efficiency and safer food contact profile.
• Kyowa Chemical IndustryflagshipOEM/ Whitelabel/ Licensing PartnerParent company based in Takamatsu, Japan. Kisuma Chemicals B.V. is a 100% subsidiary manufacturing products under license of Kyowa patents for markets in the Americas, Europe, Middle East and Africa. Kyowa established Kisuma (Dandong) Advanced Materials Tech. Co., Ltd. acquired in 2021.
• EU Horizon-funded CO2 Reduction ProjectscoreStrategic or Co-development PartnerKisuma participates in several EU Horizon-funded projects including STEPWISE, FReSMe, and INITIATE for CO2 reduction. These projects involve working with various European partners to develop carbon capture and utilization technologies.

Scale indicators19 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Nabaltec AG: European producer of specialty alumina and magnesium hydroxide-based flame retardants and functional fillers. Directly comparable to Kisuma's KISUMA 5 and KISUMA X product lines in the halogen-free flame retardant segment, particularly for wire & cable and polyolefin applications.
• Huber Engineered Materials (J.M. Huber): A major global producer of magnesium hydroxide (MAGNIFIN) and alumina-based flame retardants and smoke suppressants. Closest scale competitor to Kisuma's KISUMA 5 HFFR portfolio, sharing the same end-markets in polyolefin compounds, wire & cable, and construction.
• Sakai Chemical Industry Co., Ltd. Japanese competitor producing specialty inorganic chemicals including PVC stabilizers, plasticizers, and catalysts. Directly competes with Kisuma in PVC heat stabilization and shares Japanese heritage and parent-affiliate structures comparable to Kyowa/Kisuma.
• Baerlocher GmbH: Leading global producer of PVC stabilizers including calcium-based and metal-free systems designed as lead and tin replacements. Directly comparable to Kisuma's ALCAMIZER portfolio for non-toxic PVC heat stabilization in window profiles, pipes, and packaging.
• Adeka Corporation: Japanese specialty chemicals company offering polymer additives including PVC stabilizers, antioxidants, and nucleating agents. Competes with Kisuma across multiple product lines (ALCAMIZER, DHT-4, Setogem RD) and shares similar Japan-headquartered, globally distributed model.
• Songwon Industrial Co., Ltd. Global leader in polymer stabilizers, particularly heat stabilizers and antioxidants for plastics. Competes with Kisuma's acid scavenger and PVC stabilizer portfolio across polyolefins and PVC applications, with similar focus on heavy-metal-free systems.

Broad incumbents

• Clariant AG: Large Swiss specialty chemicals producer with a broad plastics additives portfolio including flame retardants, stabilizers, and acid scavengers for polyolefins, PVC, and engineering plastics. Overlaps with Kisuma's portfolio but at greater scale and breadth, without specializing purely in hydrotalcite chemistry.
• ICL Group (Dead Sea Magnesium): Global specialty minerals and chemicals company producing magnesium compounds and downstream specialty additives. Comparable vertical integration from magnesium raw material through finished additives, similar to Kisuma's magnesium hydroxide chain.
• Italmatch Chemicals (Boao Chemical): Specialty chemicals company producing flame retardants (including antimony trioxide alternatives), polymer additives, and performance chemicals. Competes with Kisuma in HFFR and antimony replacement markets through its FRX, Everkem, and Detax portfolios.

Emerging players

• Marshall Additive Technologies: Smaller specialty producer of polymer additive masterbatches and magnesia-based compounds serving plastics, rubber, and CASE applications. Represents a niche competitor to Kisuma in Mg(OH)2-based flame retardants and acid scavengers for specialty polymer applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

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Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries6 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 Kisuma Chemicals