Contact Us

Please be informed that we may not respond to certain queries, and we might require some time to respond to certain queries.
Please maintain the confidentiality of our responses and do not divert or reuse them, whether wholly or partially, without our prior permission.
Regarding the personal information you provide in the inquiry, please refer to our "Personal Information Protection Policy".
Please note that sales calls will not be entertained.

Product & Business Inquiries

Inquiries about Functional Chemicals

Inquiry Office hours Contacts
Inquiries about Resins and Sealants for LCD (Functional Materials Business)
Epoxy resins, UV-curing type resins, Polyimide/Polyamide resine, Sealants for LCD, Sealants for LED, etc
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Functional Materials Division
+81-3-6731-5268
Inquiry form
Inquiries about Photo-Sensitive Resist for MEMS (Functional Materials Business)
■ Dry Film Resist (SU-8 DFR, KPM)
■ Liquid Resist (SU-8, KMPR)
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
■ Dry Film Resist
Functional Materials Division
Inquiry form

■ Liquid Resist
KAYAKU Advanced Materials, Inc. (USA)
Website

Inquiries About cleaners (Functional Materials Business)
Chemicals for displays (developers for color filters used in displays, substrate glass cleaners, and resist strippers), chemicals for semiconductors (various developers, strippers, strippers for thick film negative resist and dry film resist, and post ashing residue removers), and cleaners for electronic components, etc.
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Functional Materials Division
+81-3-6731-5268
Inquiry form
Inquiries about Colors (Color Materials Business)
colorants for inkjet printers,Dyes for Textiles,Dyes for papers,resin coloring,Developer for thermal paper,pigment derivatives (synergists),color resists for image sensors,infrared absorbing agents
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Color Materials Division
+81-3-6731-5281
Inquiry form
Inquiries about Catalysts
Catalyst for production of acrylic acid, and methacrylic acid
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Catalysts Division
+81-3-6731-5310
Inquiry form
Inquiries about Polatechno
Polarizing films for LCDs, retardation films, Polarizing films for projectors, other precision-processed products, etc
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Polatechno Division
+81-3-6731-5295
Inquiry form

Inquiries about Pharmaceuticals

Inquiry Office hours Contacts
Inquiries about Pharmaceuticals and Specialty Chemicals
pharmaceuticals, APIs, Intermediates for pharmaceutical, etc
Inquiry form
Inquiries about Clinical Trials Inquiry form
Inquiries about Diagnostics Inquiry form

Inquiries about automotive safety devices(Safety Systems Business)

Inquiry Office hours Contacts
Inquiries about Automotive Safety Devices
Airbag Inflators, Micro Gas Generators for seatbelt pretensioner, Squibs, etc.
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Safety Systems Group
+81-3-6731-5365
Inquiry form

Inquiries about Agrochemicals

Inquiry Office hours Contacts
Inquiries about Agrochemicals
Agricultural chemicals, Insecticides for public health, Animal repellent,etc
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Agrochemicals Division
+81-3-6731-5322
Inquiry form

Inquiries about other products & business

Please contact the company concerned directly.

Inquiry Contacts
Inquiries about preservatives for food quality and food additives NIPPON KAYAKU FOOD TECHNO CO.,LTD.
NIPPON KAYAKU FOOD TECHNO CO.,LTD. Website (Japanese)
Inquiries about explosives for industrial use Kayaku Japan Co., Ltd.
Kayaku Japan Co., Ltd. Website

Others

Inquiry Office hours Contacts
Inquiries about Recruit and Employees of our company weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Human Resources Division
+81-3-6731-5801
Inquiry form
Inquiries about Investor Relations

Please refer to the "Frequently Asked Questions" regarding questions that are common_enly asked by shareholders.
weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Corporate Communications Division
+81-3-6731-5237
Inquiry form
Inquiries from suppliers and provision of materials weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Purchasing Division
Raw Materials Dept.
+81-3-6731-5825
Administration Dept.
+81-3-6731-5830
Inquiry form
Inquiries about Sustainability weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Corporate Planning Division
+81-3-6731-5227
Inquiry form
Inquiries about Research Collaboration weekdays 9:00-17:30
(except for the company's special holidays), Japan time
Research Planning Division
+81-3-3598-3974
Inquiry form
Compliance hotline for suppliers

Make a report when any director or employee of a Nippon Kayaku Group company in Japan is identified as engaging in, or having the intention to engage in, an illegal or unethical act.
Ethics Committee​
(Internal Control Management Division Compliance Dept.)​
Inquiry form

Inquiry about Group Companies

Please contact the company concerned directly.

Inquiries about matters other than the above

Corporate Communications Division
+81-3-6731-5237
weekdays 9:00-17:30 (except for the company's special holidays), Japan time

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