Logo Sekisui Kasei : GPS Coordinates 35.6669408 - 139.7441456

Sekisui Kasei

Sekisui Kasei’s cosmetic lab in Tokyo develops specialized polymer particles and materials for global cosmetic and industrial applications, focusing on sustainability.

Presentation of 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.

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Detailed presentation of Sekisui Kasei

A leading polymer technology company in Tokyo

Sekisui Kasei, located in the vibrant Shinjuku district of Tokyo, specializes in advanced particle technology 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

Services provided by Sekisui Kasei

Below you will find the services provided by Sekisui Kasei. Like each cosmetic lab on the platform, the services are manually registered by the providing company.

  • Sekisui Kasei has no service catalogue on cosmetic-labs.com.

Gallery and medias

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Locate Sekisui Kasei

Contact Sekisui Kasei

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  • Telephone
  • Email

Sekisui Kasei opening hours

Closed all day

  • 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
  • Local time

    October 20, 2025 1:44 pm

Frequent questions

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.

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

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.

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