住友精化 List of Products and Services

The "Ar-PSA" is a PSA argon gas generation device capable of recovering high-purity argon (max. 99.999%). It can purify and separate argon-rich gas emitted from RH vacuum degassing furnaces, silicon single crystal pulling devices, etc., into high-purity argon gas. Using zeolite adsorbents, the adsorption amount of argon is smaller compared to nitrogen, carbon monoxide, and carbon dioxide, allowing for separation. Therefore, high-purity argon can be recovered and purified from argon mixed gas containing other gases. 【Features】 ■ Capable of recovering high-purity argon (max. 99.999%) ■ High argon recovery rate of 70 to 80% *For more details, please refer to the PDF document or feel free to contact us.

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The "CO2-PSA" is a PSA carbon dioxide generation device that easily and inexpensively recovers high-purity carbon dioxide with a concentration of over 99% from raw gas containing carbon dioxide, such as combustion exhaust gases. The first unit, with a capacity of 3,000 m³/h (nor.), was delivered in 1987 and is currently operating smoothly. By adding liquefaction equipment, inexpensive liquefied carbon dioxide can be obtained. Our company has numerous construction achievements and high evaluations in this field as well. 【Features】 ■ Inexpensive carbon dioxide can be obtained ■ Carbon dioxide with a concentration of over 99% can be obtained ■ Low running costs ■ Product carbon dioxide can be obtained quickly after startup *For more details, please refer to the related links or feel free to contact us.

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This product is an on-site hydrogen production system that incorporates the MGC-MH process into PSA, based on the engineering technology cultivated by Sumitomo Seika as a comprehensive manufacturer of PSA devices. It achieves thorough energy savings to recover heat and unreacted methanol. It provides inexpensive hydrogen gas on-site for various chemical processes, including semiconductors, glass and optical fibers, metal heat treatment, and oils and fats. 【Features】 ■ Inexpensive hydrogen gas available on-site ■ Low-temperature, highly active, long-life reforming catalyst ■ Simple one-step reaction process ■ Easy operation (start/stop) through sequencing ■ Labor-saving operation management with the use of electric heaters (packaged type) ■ Easy local construction *For more details, please refer to the PDF materials or feel free to contact us.

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We would like to introduce our PSA hydrogen gas purification system, 'H2-PSA'. Hydrogen gas has a significantly lower adsorption capacity compared to other gases, which allows for the purification of high-purity hydrogen gas from various mixed gases. Due to the use of adsorbents with excellent adsorption capacity, the system is compact. The installation of a pre-filter that operates in the same process as the adsorption tank enables the recovery and purification of hydrogen gas from dirty gases such as COG at high efficiency and low cost without special pre-treatment. 【Features】 ■ Produces hydrogen gas by decomposing city gas, methanol, etc. ■ Capable of recovering and purifying high-purity hydrogen gas from various hydrogen-containing gases ■ Compact design due to the use of adsorbents with excellent adsorption capacity ■ Installation of a pre-filter that operates in the same process as the adsorption tank ■ Enables high-efficiency, low-cost hydrogen gas recovery and purification without special pre-treatment *For more details, please refer to the PDF materials or feel free to contact us.

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Our company has established and sold the first nitrogen gas generator using the PSA method with carbon molecular sieve (CMS) adsorbent manufactured by Bergbau in 1979. Since the molecular diameter of oxygen is smaller than that of nitrogen, it diffuses quickly into the fine pores of CMS and is adsorbed. Additionally, moisture and carbon dioxide in the air are also adsorbed similarly to oxygen. "N2-PSA" is a PSA nitrogen gas generator that employs a method utilizing these characteristics of CMS. 【Features】 ■ Nitrogen gas can be produced cheaply in-house ■ Extensive track record from large to small sizes ■ Capable of responding to various needs ■ Automatic operation possible according to usage conditions *For more details, please refer to the PDF materials or feel free to contact us.

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The "O2-PSA" is a PSA oxygen gas generation device that concentrates and separates oxygen from air due to the difference in adsorption capacity of nitrogen and oxygen on synthetic zeolites. The oxygen concentration can be enriched and separated from 90% to a maximum of 95%, with equipment capable of producing up to 2,500 m³/h (nor.) in a single series (2-tower type). It is suitable for oxygen injection in various furnaces such as electric furnaces for steelmaking, non-ferrous metal melting (copper, zinc, aluminum), glass manufacturing, and various kilns, as well as for chemical industry applications. 【Features】 ■ Oxygen gas can be obtained at a low cost ■ Oxygen purity can be achieved from 90% to 93% ■ Low running costs ■ Oxygen gas can be obtained quickly after startup ■ The device is easy to manage via a touch panel ■ The device can be installed compactly *For more details, please refer to the PDF document or feel free to contact us.

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This catalog introduces "PSA," which stands for Pressure Swing Adsorption. It is a method for separating and purifying target gases by repeatedly changing the pressure of the gas to adsorb and desorb. Our company has been conducting research and development on PSA since 1976, and in addition to nitrogen and oxygen generation systems, we have manufactured and sold recovery and purification systems for hydrogen (H2), carbon dioxide (CO2), argon (Ar), and methane (CH4), receiving positive feedback from various industries. [Contents (partial)] ■ PSA SYSTEM ■ N2-PSA ■ O2-PSA ■ H2-PSA ■ Ar-PSA *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce Sumitomo Seika's gas chemical product, "H2S Liquid Hydrogen Sulfide." Due to its high purity, no purification equipment is necessary. You can open the valve when needed and use only the required amount of gas, eliminating waste. Our company manufactures and sells hydrogen sulfide gas in cylinders, and the following advantages have been noted, receiving positive feedback from those who are already using it. [Advantages] - Saves the trouble and expense of installing a generation device - Reduces the effort required for handling residual waste - No purification equipment is necessary due to high purity - Allows for the use of only the required amount of gas by opening the valve when needed, eliminating waste - Provides a consistent supply of high-purity gas *For more details, please refer to the PDF materials or feel free to contact us.

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Our company handles the gas chemical "Thionyl Chloride." It has a slightly pale yellow appearance, with a strong heat residue (sulfate) of 0.02% wt. or less. It is thionyl chloride, with CAS No. 7791-25-5. It can be used as a chlorinating agent for pigments, pesticides, etc. Please feel free to contact us when you need it. 【Features】 ■ Thionyl Chloride ■ CAS No. 7791-25-5 *For more details, please refer to the PDF document or feel free to contact us.

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Our company handles the gas chemical "Thionyl Chloride." It is oxychloride of sulfur with CAS No. 7719-09-7, and a specific gravity of 1.64 to 1.67. It has a pale yellow appearance, and the residue on ignition (sulfate) is below 0.01% wt. It is suitable as a chlorinating agent for dyes, pharmaceuticals, pesticides, etc. Please feel free to contact us when you need it. 【Features】 ■ Oxychloride of sulfur ■ CAS No. 7719-09-7 *For more details, please refer to the PDF document or feel free to contact us.

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Our company handles the gas chemical "Sulfolane." The purity of the "general product standard" is 97.0-98.0%, and the moisture content is 2.0-3.0%. The purity of the "special standard for electronic materials" is 99.9% or higher. It can be used as a BTX extraction solvent, reaction solvent, semiconductor cleaning agent, and electrolyte for capacitors and secondary batteries. Please feel free to contact us when you need assistance. 【Features】 ■ Tetrahydrothiophene-1,1-dioxide ■ CAS No. 126-33-0 *For more details, please refer to the PDF document or feel free to contact us.

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We handle the gas chemical "Thioanisole." It is methyl phenyl sulfide, CAS No. 100-68-5. It is a colorless to pale yellow liquid with a purity of over 99%. It can be used for various organic synthesis raw materials. Please feel free to contact us when you need it. 【Features】 ■ Methyl phenyl sulfide ■ CAS No. 100-68-5 ■ Appearance: Colorless to pale yellow liquid ■ Purity: Over 99% ■ Moisture: Below 0.1% *For more details, please refer to the PDF document or feel free to contact us.

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"Specialty Gas" has been developing and supplying various products since it began research and development in 1959 to meet the expectations of its customers. The "Standard Gas," which serves as a "measuring stick" for gas concentration, is characterized by its reliability and stability in gas concentration. It is widely used as an "analytical standard" in various fields, including the measurement of air pollution, factory exhaust, and automobile emissions, from research and development to manufacturing. We supply general standard gases guaranteed by our traceability, responding to various customer requests. [Features] - International MRA-compliant JCSS certified provider of concentration (standard substance) - Supports globalization of international harmonized exhaust gas and fuel economy testing methods for passenger vehicles, etc. - Supplies general standard gases guaranteed by traceability - Responds to various customer requests *For more details, please refer to the PDF materials or feel free to contact us.

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Since developing semiconductor-grade high-purity NH3 for the first time in the 1970s, our company has been applying the gas synthesis and purification technologies cultivated as a comprehensive chemical manufacturer to produce a wide variety of ultra-high-purity gases. These gases are used in various semiconductor manufacturing processes such as film formation (CVD, ALD), etching, doping, and epitaxial growth. Everyday electronic devices such as smartphones, displays, and solar cells are equipped with numerous semiconductor products including ICs, memory, and power semiconductors. Sumitomo Seika contributes to enriching people's lives by providing high-purity, high-quality gases in a stable manner. 【Product Lineup (Partial)】 ■ NH3 Ammonia ■ N2O Nitrous Oxide ■ CO Carbon Monoxide ■ NO Nitric Oxide *For more details, please refer to the related links or feel free to contact us.

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"PEO" is a non-ionic, water-soluble thermoplastic resin that possesses excellent properties such as aggregation effect, binder effect, and viscosity-increasing friction reduction effect. We offer various grades ranging from an average molecular weight of 150,000 to 10,000,000 according to your needs. Additionally, it is thermoplastic and can be molded by extrusion molding, casting molding, and force rendering, and it is not subject to decomposition by bacteria. [Features] - Water-soluble thermoplastic resin - Soluble in various organic solvents - Non-ionic - The solution shows high viscosity even at low concentrations, making it an effective thickening agent - High molecular weight crystals have dispersion and aggregation functions *For more details, please refer to the PDF document or feel free to contact us.

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"Aqua Keep" is a highly water-absorbent resin that our company has been researching and developing for many years. By adding meticulous designs tailored to user requirements to a resin that absorbs water up to 1000 times its own weight, we have incorporated various functions. Utilizing this functionality, it is used in products such as disposable diapers, various sanitary goods, and industrial products, receiving high quality evaluations from users. 【Features】 ■ A resin that absorbs water up to 1000 times its own weight ■ Various functions added through meticulous designs tailored to user requirements ■ Highly rated for quality by users ■ Produced in Japan, Singapore, France, and South Korea, and used worldwide *For more details, please refer to the related link page or feel free to contact us.

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"Sulfonic polar solvents" are a new type of polar solvent developed by applying Sumitomo Seika's sulfur compound synthesis technology. Our product, sulfolane, can be used as an electrolyte for various electronic devices and as a polar solvent for various reactions. It has high resistance to hydrolysis and is stable against alkalis and acids. 【Features】 ■ A polar solvent with a boiling point of over 200°C and high thermal stability ■ High resistance to hydrolysis and stable against alkalis and acids ■ High dielectric constant with excellent solubility for various electrolytes *For more details, please refer to the related link page or feel free to contact us.

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At Sumitomo Seika, we propose high refractive index monomers utilizing our expertise in the synthesis of organic sulfur compounds. These monomers can accommodate both thermal and photopolymerization methods. They are suitable for applications such as index matching and improving light extraction efficiency. 【Features】 ■ We propose monomers for high refractive index resin compositions (nD: approximately 1.69) ■ Low viscosity monomers (20 mPa·s or less [25°C]) ■ Compatible with both thermal and photopolymerization methods *For more details, please refer to the related link page or feel free to contact us.

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Introducing the 'SBA Series', an additive for electrolyte used in lithium-ion secondary batteries developed by Sumitomo Seika. By adding it to the electrolyte, it is possible to enhance the performance of lithium-ion secondary batteries. It can suppress capacity degradation during charge and discharge cycles and reduce resistance increase after charge and discharge cycles. 【Features】 ■ Adding to the electrolyte suppresses capacity degradation during charge and discharge cycles. ■ Adding to the electrolyte suppresses resistance increase after charge and discharge cycles. *For more details, please refer to the related link page or feel free to contact us.

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"Flowbeads" are spherical particles of olefins that can be used in various fields, such as cosmetic texture modifiers and various industrial additives. They have a nearly uniform particle size and a distribution close to a normal distribution, exhibiting good flowability and dispersibility, and excellent properties as a lubricant. [Features] - Spherical particles of olefins - Good flowability and dispersibility, showing excellent properties as a lubricant - Nearly uniform particle size with a distribution close to a normal distribution *For more details, please refer to the related link page or feel free to contact us.

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"Seporex CSM" is a latex made from CSM rubber (chlorosulfonated polyethylene). It forms a heat-resistant film and has excellent adhesion to rubber and fibers. It is suitable for use as an adhesive or coating for reinforcing belts and hoses. [Features] - Forms a heat-resistant film - Excellent adhesion to rubber and fibers *For more details, please refer to the PDF document or feel free to contact us.

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"Seporujon" is an environmentally friendly water-based emulsion primarily composed of various thermoplastic resins. By developing appropriate raw materials, it demonstrates excellent adhesion performance to various substrates (glass, resin, metal, carbon fiber, etc.). We offer a rich variety, including "Seporujon G," a polyolefin type, as well as "Seporujon PA," a copolymer nylon, and "Seporujon NE205," a polyamide elastomer. 【Product Lineup】 ■ Seporujon G ■ Seporujon PA ■ Seporujon NE205 ■ Seporujon VA406 ■ Seporujon ES *For more details, please refer to the PDF materials or feel free to contact us.

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"Zaisen" is a water-based dispersion of polyolefins with carboxyl groups, self-emulsified through a unique emulsification technology. Since it does not contain surfactants, it has excellent properties. It is used in many applications as a water-based dispersion for heat seal materials and coatings. [Features] - Exhibits excellent heat resistance from low to high temperatures - Good anti-blocking properties - Good transparency - Excellent water and chemical resistance - Superior adhesion to paper, metal (especially aluminum), plastics, and glass *For more details, please refer to the PDF document or feel free to contact us.

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"AQUPEC MG N40R" is a crosslinked acrylic acid-based water-soluble polymer. It provides a refreshing and light texture without any feeling of clumping. Additionally, it is easily dispersible and does not require neutralization. 【Features】 ■ Light and refreshing texture ■ Provides a matte finish ■ No feeling of clumping ■ Good sprayability ■ Easily dispersible and does not require neutralization *For more details, please refer to the PDF document or feel free to contact us.

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The "AQUPEC 800 Series" is a cross-linked acrylic water-soluble polymer. It enables improved work efficiency with high fluidity and low dust. It is manufactured using low-toxicity solvents (Class 3: ICH guidelines). 【Features】 ■ Granular carbomer with good handling properties ■ Improved work efficiency with high fluidity and low dust ■ Manufactured with low-toxicity solvents (Class 3: ICH guidelines) *For more details, please refer to the PDF document or feel free to contact us.

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"AQUPEC" is a versatile thickener that creates a good tactile feel, moderate viscosity, and stability. It is a rheology modifier that can provide various features not only in terms of viscosity but also in new tactile sensations and emulsifying effects through the reduction of surfactants, catering to various user needs. It demonstrates a high thickening effect even at low concentrations in solvents such as water and alcohol. 【Features】 - Shows a high thickening effect even at low concentrations in solvents such as water and alcohol. - The thickened liquid after neutralization exhibits thixotropic properties and a high yield value. - Does not show stringiness even in high-viscosity thickened liquids. - The thickened liquid after neutralization shows high transparency. - Demonstrates a high thickening effect across a wide pH range (pH 5-11). *For more details, please refer to the related link page or feel free to contact us.

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"Akupana" is a partially neutralized polyacrylic acid manufactured based on the polymerization technology that Sumitomo Seika has accumulated over many years. Its spherical shape provides excellent fluidity and has advantages such as reduced dust generation during work. It is used in applications such as adhesive substrates for powder formulations, cooling sheets, and face masks. [Features] - Manufactured based on polymerization technology accumulated over many years - Partially neutralized polyacrylic acid - Excellent fluidity due to its spherical shape - Advantages such as reduced dust generation during work *For more details, please refer to the PDF document or feel free to contact us.

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"AQUACHARGE" is a water-based binder for electrodes developed by applying Sumitomo Seika's water-soluble resin technology. It can be used as a binder for electrodes in lithium-ion secondary batteries, electric double-layer capacitors, and more. It is applicable to both the positive and negative electrodes and has a higher binding strength compared to conventional binders. 【Features】 - A one-component water-based binder that does not require a thickening agent - Applicable to both positive and negative electrodes - Has a higher binding strength compared to conventional binders - Improves cycle characteristics when used as a binder *For more details, please refer to the related link page or feel free to contact us.

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HEC (Hydroxyethyl cellulose) is a water-soluble polymer compound created by adding ethylene oxide to cellulose. The aqueous solution possesses excellent functions such as thickening, moisture retention, suspension, dispersion, and protective colloid, and is used in various fields. Additionally, there is an indicator that shows the degree of ethylene oxide addition, known as the average substitution molar number (MS), which for our HEC is controlled between 1.5 and 2.5, varying by product grade. 【Features】 ■ Easily soluble in cold and warm water ■ The aqueous solution is stable at both low and high temperatures and does not gel ■ Nonionic and stable across a wide range of pH levels ■ Exhibits excellent properties such as thickening, moisture retention, suspension, and protective colloid ■ Resistant to alteration, with the viscosity of the aqueous solution remaining stable for a long time *For more details, please refer to the related link page or feel free to contact us.

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