Hayashi Pure Chemical Ind., Ltd.

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In 1985, in recognition of the arrival of the electronics age, Hayashi Pure Chemical (HPC) was quick to incorporate electronic materials into its product line.
To bolster its R&D framework, HPC established its Techno Center in 2005 as a development hub.
HPC evolved into a quality-centered enterprise that supports the manufacture of LCD panels and semiconductors.
Looking to fill emerging market needs, HPC grew through technological innovation.

Shaping the Future
The 3 Pillars of
Hayashi Pure Chemical

HPC’s technology enables it to respond to varied needs and provide solutions to a wide variety of manufacturing challenges.
The Company fosters an environment that enables it to maintain a level quality that ensures reliability and safety. It is also known for its ability to offer proposals and develop products on an accelerated basis.
HPC continues to develop advanced and optimized electronic materials that help to shape the future by adapting to changing times, overcoming the challenges that companies are facing, and pursuing technological innovation.

Pillar01

[ Technical Expertise ] Diverse technologies that create future value

We deliver optimal chemicals for the electronics industry with solid production technologies based on our 40 years of experience. We also maintain advanced production facilities that meet the sophisticated requirements and standards required for electronic devices, including our Techno Center, where we develop and customize products to our customer’s needs with proven technologies.

Pillar02

[ Human Resources ] An organizational structure and corporate DNA with the power to deliver rapid solutions

HPC has established an organizational structure capable of rapid and accurate development and production to meet emerging needs in a rapidly changing world. Our technicians and sales representatives welcome customer requests and maintain open communication to address a wide range of issues through a consistent approach.

Pillar03

[ Quality ] Consistent quality built on innovation and reliability

HPC offers consistent quality by employing high-performance analyzers and designing individual quality assurance systems. In addition, we continue to support cutting-edge manufacturing by adopting a comprehensive management system and safe supply system while continuing to provide optimization services.

Products

High Purity Chemicals

Acids (Organic Acid, Inorganic Acid)

    • Acetic Acid
    • Citric Acid Solution
    • Glycolic Acid Solution
    • Oxalic Acid Solution
    • Ammonium Tartrate Solution
    • Phosphoric Acid
    • Nitric Acid
    • Hydrochloric Acid
    • Sulfuric Acid
    • Hydrobromic Acid
    • Hydrogen Peroxide Solution

Alkali

    • Sodium Hydroxide Solution
    • Potassium Hydroxide Solution
    • Tetramethylammonium
      Hydroxide (TMAH)
    • Ammonia Solution

Organic Solvent

    • Acetone
    • Ethanol
    • Dimethyl Sulfoxide (DMSO)
    • Methyl Ethyl Ketone (2-Butanone)
      (MEK)
    • Butyl Carbitol (BDG)
    • γ-Butyrolactone
    • Isopropyl Alcohol (2-Propanol) (IPA)
    • Propylene Glycol Monomethyl
      Ether (PGME)
    • Propylene Glycol Monomethyl
      Ether Acetate (PGMEA)
    • Methanol
    • N-Methyl-2-Pyrrolidone (NMP)
    • Methyl Isobutyl Ketone (4-Methyl-2-Pentanone) (MIBK)
    • Monoethanolamine (MEA)
    • Ethyl Acetate
    • Butyl Acetate
    • Ethyl Lactate
    • Methyl Lactate
    • Modified Ethanol

Ultra-high-purity (UHP) Grade Chemicals

Products from Other Manufacturers

  • DuPont Products

    Post-dry-etching residue remover
    EKC265™
    EKC270™
    EKC2255™
    EKC™ 2300
    Rinsing solution EKC4000™
    Resist stripper for
    bump process
    EKC162™
  • Merck KGaA Products

    DA Nano™ STI2100
    DA Nano™ STI2505
    DA Nano™ STI2513

For more information, phone us at:

+81-6-6910-7336

High Purity Chemicals

Acids (Organic Acid, Inorganic Acid)

    • Acetic Acid
    • Citric Acid Solution
    • Glycolic Acid Solution
    • Oxalic Acid Solution
    • Ammonium Tartrate Solution
    • Phosphoric Acid
    • Nitric Acid
    • Hydrochloric Acid
    • Sulfuric Acid
    • Hydrobromic Acid
    • Hydrogen Peroxide Solution

Alkali

    • Sodium Hydroxide Solution
    • Potassium Hydroxide Solution
    • Tetramethylammonium
      Hydroxide (TMAH)
    • Ammonia Solution

Organic Solvent

    • Acetone
    • Ethanol
    • Dimethyl Sulfoxide (DMSO)
    • Methyl Ethyl Ketone (2-Butanone) (MEK)
    • Butyl Carbitol (BDG)
    • γ-Butyrolactone
    • Isopropyl Alcohol (2-Propanol) (IPA)
    • Propylene Glycol Monomethyl
      Ether (PGME)
    • Propylene Glycol Monomethyl
      Ether Acetate (PGMEA)
    • Methanol
    • N-Methyl-2-Pyrrolidone (NMP)
    • Methyl Isobutyl Ketone (4-Methyl-2-Pentanone) (MIBK)
    • Monoethanolamine (MEA)
    • Ethyl Acetate
    • Butyl Acetate
    • Ethyl Lactate
    • Methyl Lactate
    • Modified Ethanol

For more information, phone us at:

+81-6-6910-7336

Ultra-high-purity (UHP) Grade Chemicals

For more information, phone us at:

+81-6-6910-7336

For FPD Manufacturing Process

Here we introduce products used in the FPD manufacturing process for
LCDs, organic EL displays, touch panels, and other types of displays.

Color Filter Process

Glass Substrate Processing
BM, RGB, OC Deposition
ITO Deposition
PS Deposition
Next Process

For more information, phone us at:

+81-6-6910-7336

For Solar Cell Manufacturing process

Here we introduce the products used in the solar cell manufacturing process.

Crystalline Silicon

Si Wafer Processing
Si Wafer Cleaning
pn Junction Forming
Oxide Film Removal
Anti Reflection Film Forming
Electrode Forming
Encapsulation

For more information, phone us at:

+81-6-6910-7336

For LED Manufacturing Process

Here we introduce the products used in the manufacturing process for blue LEDs and yellow-green to red LEDs.

Blue LED/Bonding Type (Vertical Type)

For more information, phone us at:

+81-6-6910-7336

Toll Manufacturing Service

We receive orders from customers in the electronics industry and manufacture products at HPC’s production facilities.
Our departments collaborate to meet a variety of customer needs, taking into account production volume, quality, and cost, and suggest the optimal manufacturing and delivery methods.

Product Development Flow

We conduct interviews, develop products, and ship samples as we pursue product development to meet customer needs.

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