--- title: "Sekisui Kasei" description: "Sekisui Kasei's Tokyo lab develops polymer particles and materials for cosmetic and industrial applications." image: "https://cosmetic-labs.com/wp-content/uploads/2025/07/sekisuikasei.jpeg" --- # Sekisui Kasei > Sekisui Kasei's Tokyo lab develops polymer particles and materials for cosmetic and industrial applications. Source: https://cosmetic-labs.com/world/asia/japan/sekisui-kasei Created: 2025-03-08T22:23:21+00:00 Modified: 2026-11-01T05:53:22+00:00 Author: Emilie SCHOL ## About Sekisui Kasei Located in *Nishi-Shinjuku, Tokyo*, the **cosmetic lab** at Sekisui Kasei pioneers advanced particle technology development. Their TECHPOLYMER facility produces: - Spherical polymer particles with controlled size and distribution - Cross-linked particles for light diffusion applications - Biodegradable materials aligned with sustainability goals - Specialized polymers for cosmetic applications From their Tokyo headquarters, Sekisui Kasei supplies innovative polymer solutions to global markets, with a focus on cosmetic, resin, and industrial applications requiring precise particle engineering. ## Frequently asked questions Frequently asked questions about Sekisui Kasei. ### What products does Sekisui Kasei manufacture? Sekisui Kasei manufactures TECHPOLYMER, a spherical polymer particle line with these variations: - MBX Series Cross-linked PMMA particles - Light diffusion properties - SBX Series Cross-linked PS particles - Enhanced durability - MSX/SMX Series PMMA-PS copolymer particles - Combined material benefits - SSX Series Monodispersed PMMA particles - Uniform size distribution The product line includes MB, MBP, and Soft Particle variations for different applications. ### What technical capabilities define Sekisui Kasei’s products? Sekisui Kasei’s particle technology includes these parameters: - Size Control Nano to micro scale range - Polydispersed to monodispersed distribution - Structure Variation Porous configurations - Hollow formations - Cross-linked matrices - Physical Properties Adjustable refractive index - Variable hardness levels - Heat resistance options - Environmental Features EF-B biodegradable grade - Soil decomposition capability - SDG compliance ### Which industries use Sekisui Kasei’s products? Sekisui Kasei serves multiple industry sectors: Industry Applications Cosmetics Texture enhancement, smoothness improvement Inks Delustering, scratch resistance Resins Light diffusion, transparency control Industrial Materials Surface modification, particle technology The company produces materials for global markets with focus on polymer-based solutions. ## More details about Sekisui Kasei ### A leading polymer technology company in Tokyo Sekisui Kasei, located in the vibrant Shinjuku district of Tokyo, specializes in advanced and polymer solutions. Operating from their headquarters at 2-7-1 Nishi-Shinjuku, the company has established itself as a pioneer in specialized particle manufacturing. ### Advanced research and development facility As a **cosmetic lab** and research center, Sekisui Kasei develops TECHPOLYMER, a specialized spherical polymer particle system. These particles are created through sophisticated polymerization processes using hydrophobic vinyl monomers, including methyl methacrylate and styrene. #### Customization and technical capabilities The facility offers adjustable particle features including: - Nano to micro particle sizing - Controlled size distribution - Varied particle structures (porous and hollow) - Specific refractive index properties - Custom hardness levels ### Product applications and solutions The company’s technology serves multiple industries through various product lines: - MBX series: Cross-linked PMMA particles - SBX series: Cross-linked PS formulations - MSX/SMX: PMMA-PS copolymer solutions - SSX: Monodispersed PMMA particles ### Environmental commitment Based in Japan’s technology hub, Sekisui Kasei demonstrates environmental responsibility through its EF-B grade biodegradable particles. These innovative materials align with global sustainability goals by decomposing naturally in soil, supporting plastic resource recycling initiatives. #### Industry applications The company’s products enhance various materials by providing: - Light diffusion in transparent resins - Delustering effects for inks - Scratch resistance for surface coatings - Improved texture in cosmetic formulations ## Company gallery [Asia](https://cosmetic-labs.com/world/asia) [Japan](https://cosmetic-labs.com/world/asia/japan) ### Located in Japan [Sekisui Kasei is located Sekisui Kasei Minato City, Tokyo 105-0001 Japan.](https://www.google.com/maps/dir/?api=1&destination=35.6669408%2C139.7441456) Use the map controls to pan and zoom. Results remain available in the surrounding page. ### Contact Sekisui Kasei Use the button below to message Sekisui Kasei. ### Opening hours Monday Closed all day Tuesday Closed all day Wednesday Closed all day Thursday Closed all day Friday Closed all day Saturday Closed all day Sunday Closed all day Explore ## Companies similar to Sekisui Kasei [Browse companies](https://cosmetic-labs.com/companies) [List your company](https://cosmetic-labs.com/account/companies/new) ### [GSI Creos](https://cosmetic-labs.com/world/asia/japan/gsi-creos) GSI Creos Corporation, based in Osaka, Japan, provides cosmetic lab services, textile solutions and sustainable industrial products across global markets. 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Save time finding qualified labs Access verified raw material suppliers​ Connect with leading experts​ Streamline your development process​ Join industry leaders already transforming their product development approach. [Join the platform](https://cosmetic-labs.com/account/auth?redirect_to=https://cosmetic-labs.com/world/asia/japan/sekisui-kasei) --- ## Site identity - Organization: Cosmetic Labs - Description: Cosmetic Labs is a directory and a platform to meet all your cosmetic product development needs. 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