Microsphere (Micropearl™)

What is microsphere produced by Sekisui Chemical?

Plastic particles with uniform particle size distribution.

They can be used in a variety of applications including gap formation in automobile parts and optical components. Coating the particles with various metals adds further functions.

Plastic-based Micropearl™
Metal-plated Micropearl™

Wide variation of products

  • Microsphere1
    Wide size range
    Wide size lineup from 1.5 µm to 600 µm
  • Microsphere2
    Various hardness control
    Particles with optimum hardness and resilience can be selected in accordance with the application.
  • Microsphere3
    Chromaticity adjustment in accordance with application
    The chromaticity can be adjusted in accordance with the surrounding part/material and to give them a light blocking effect.
  • Microsphere4
    Various metal coatings
    Micropearl™ can be used as a high-performance conductive filler once its surface is plated.

Four properties

  • Uniformity
    Uniformity
    High-accuracy particle size distribution thanks to our proprietary particle manufacturing technology
  • Followability
    Followability
    Recovers its original shape even when a stress is temporarily applied, thus maintaining its spacer and conductivity functions.
  • Stress relaxation characteristics
    Stress relaxation characteristics
    The plastic’s flexibility reduces the damage to the surrounding part/material.
  • Stability
    Stability
    Usable with solvent or in a voltage environment.

Lineup

Sekisui Chemical offers Plastic-based Micropearl™ and Metal-plated Micropearl™.
The Micropearl™ series from Sekisui Chemical is high quality and can be customized in accordance with the customer’s demands such as size, hardness, coloring, and metal type.

Plastic-based Micropearl™

Plastic-based
Micropearl™

Series: SP, GS, EX, KB, KY, EXH, EZ, SLC

Five characteristics and performances

  • When you have concerns about damage to objects due to contact with other objects.
  • When looking for a material with high thickness control.
  • When you want to eliminate uneven adhesion.
  • Uniformity
    Uniformity
    High-accuracy particle size distribution thanks to our proprietary particle manufacturing technology
  • Stability
    Stability
    Excellent in chemical resistance, voltage resistance, and heat resistance.
  • Flexibility
    Flexibility
    Achieves no damage to the surrounding part/material.
  • Resilience
    Resilience
    Control of shape memory property improves the reliability against external influence.
  • Customizability
    Customizability
    We offer customization of hardness, resilience, and surface treatment, and others in accordance with your application.

Products/technologies Micropearl™ can replace

  • Glass beads
    Glass beads
  • Silica filler
    Silica filler
  • Culture mediums
    Culture mediums
  • Embossing molding material
    Embossing molding material
  • Simulated specimens
    Simulated specimens

If you have a problem with any of these materials, consider Micropearl™.

Applicable fields

  • Organic EL/LCD panels
    Organic EL/LCD panels
  • All-solid-state battery for BEV/HEVs
    All-solid-state battery for BEV/HEVs
  • Semiconductor ICs
    Semiconductor ICs
  • Light control film
    Light control film

Metal-plated Micropearl™

Metal-plated Micropearl™

Series: AU

Five characteristics and properties

  • When you have concerns about the damage to the object due to contact with other objects.
  • When looking for a material with stable conductivity.
  • When you want to eliminate uneven adhesion.
  • Uniformity
    Uniformity
    High-accuracy particle size distribution thanks to our proprietary particle manufacturing technology
  • Dispersibility
    Dispersibility
    The light weight of Micropearl™ AU allows it to be uniformly dispersed in resin and paste in an easy manner.
  • Flexibility
    Flexibility
    Achieves no damage to the surrounding part/material. As it is possible to make a large contact area of conductor, the resistance can be lowered.
  • Resilience
    Resilience
    Control of shape memory property improves the reliability against external influence.
  • Customizability
    Customizability
    We offer customization of hardness, resilience, and surface treatment, and others in accordance with your application.

Products/technologies Metal-plated Micropearl™ can replace

  • Metal-based fillers
    Metal-based fillers
  • Carbon black
    Carbon black
  • Metal foil clad material
    Metal foil clad material
  • Metal foil collectors
    Metal foil collectors

If you have a problem with any of these materials, consider Micropearl™.

Applicable fields

  • Semiconductor ICs
    Semiconductor ICs
  • Electromagnetic shield for EV parts, etc.
    Electromagnetic shield for EV parts, etc.
  • Various electronic parts
    Various electronic parts
  • Lithium ion batteries (LIB)
    Lithium ion batteries (LIB)

Can Micropearl™ be used for applications like these?

Sekisui Chemical finds solutions to issues that appear exceedingly difficult to solve, together with customers.
Please consult with us.

  • Medical care
    Medical care
    Use Micropearl™ for cell culture medium by taking advantage of its large surface area.
  • Electronic parts
    Electronic parts
    Use Micropearl™ for precise gap material and spacer in ultrafine area.
  • Automobiles
    Automobiles
    Use Micropearl™ for light control glass with sophisticated design and liquid crystal layer or connection of large-size display.
  • Batteries
    Batteries
    Use Micropearl™ to give conductivity, heat radiation, and electromagnetic wave shielding properties to the stress-relaxing material and resin structure of all-solid-state batteries.

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