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  1. Home
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  3. ゼストロンジャパン
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ゼストロンジャパン

EstablishmentJanuary 2013
capital1000Ten thousand
number of employees9
addressKanagawa/Samukawa-cho, Koza-gun/1-17-16 Ichinomiya
phone0467-53-8658
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last updated:Sep 04, 2025
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  • Products/Services(103)
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ゼストロンジャパン Company Profile

【Water-based flux cleaning agent manufacturer】 From cause investigation to cleaning, a flux cleaning agent manufacturer evolving through analytical power.

Zestron is a global standard "flux cleaning agent manufacturer" based in Germany, with eight locations worldwide. Our cleaning agents are primarily environmentally friendly water-based cleaners that achieve a balance between cleaning performance and safety, while also enabling the reduction of organic solvents, VOCs, and overall usage to lower costs. At our technical center in Kanagawa, customers can choose from inline and batch-type spray cleaning equipment, as well as jet and ultrasonic devices, tailored to their needs, allowing them to test work cleaning under conditions equivalent to those in production environments. In parallel with the cleaning tests, we analyze cleanliness at our analysis center. Utilizing digital microscopes, FT-IR, ion chromatography, and SEM-EDX/EDS, we can detect flux residues that are often overlooked by visual inspection. After the tests are completed, our engineers will provide a technical report detailing recommended processes. *We generally offer support for cleaning process issues free of charge. If you have any requests or challenges related to flux cleaning, please feel free to contact us.

Business Activities

Our company handles cleaning agents for the following applications: 1) Electronic circuit boards 2) Semiconductor back-end processes (power modules, flip chips, BGA) 3) Metal masks, screens 4) Dispenser nozzles 5) Test printing circuit boards 6) Pallets, reflow oven parts, flux recovery devices Currently, in Japan, flux cleaning for circuit boards still primarily uses solvent-based cleaning agents. In Europe and the United States, approximately 90% have already transitioned to water-based solutions due to environmental considerations, and this trend is gaining attention in the Japanese market, which seeks environmental improvements. We specialize in water-based cleaning agents, particularly due to research and development in Europe, where VOC regulations are stringent, but we also offer a lineup of solvent-based cleaning agents.

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Recommended information

Basic Knowledge of Flux Cleaning ver.2 [Technical Document]

Basic Knowledge of Flux Cleaning ver.2 [Technical Document]

A must-read for those who want to start flux cleaning! "Why wash? How to choose? How to analyze?" can be understood in this one book!

This document explains the key points for considering "flux cleaning methods," as well as the examination of "cleaning and rinsing processes," "drying processes," and the evaluation (analysis) of residues. It is recommended for those who want to start flux cleaning and for those who wish to gain a comprehensive understanding from cleaning to analysis. 【Contents (partial)】 ■ What is flux cleaning? ■ The purpose of flux cleaning and the fields where cleaning is required ■ Types of flux cleaning agents/methods and selection methods ■ The importance and methods of residue evaluation (analysis), etc. *For more details, please refer to the PDF document or feel free to contact us.

Products/Services (103)

Analysis Support: Cleanliness Evaluation | Residue Evaluation product image
Analysis Support: Cleanliness Evaluation | Residue Evaluation
Flux cleaner for ultra-high-density mounting VIGON A 301 product image
Flux cleaner for ultra-high-density mounting VIGON A 301
360° Virtual Tour product image
360° Virtual Tour
Explanation of the cleaning of "metal salts" that can cause poor insulation resistance. product image
Explanation of the cleaning of "metal salts" that can cause poor insulation resistance.

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catalog(65)

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Basic Knowledge of Flux Cleaning ver.2 [Technical Document Available]

Basic Knowledge of Flux Cleaning ver.2 [Technical Document Available]

TECHNICAL
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SDGs in Electronic Device Cleaners - Balancing Cleanliness and Safety【Materials】

SDGs in Electronic Device Cleaners - Balancing Cleanliness and Safety【Materials】

TECHNICAL
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Cleaning technology required for sintered joint devices [Materials]

Cleaning technology required for sintered joint devices [Materials]

TECHNICAL
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Evaluation methods in flux cleaning / Added value [Document]

Evaluation methods in flux cleaning / Added value [Document]

TECHNICAL
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news(20)

分析サービス.png

A page for "Analysis Support" has been added.

  • CATALOG

Flux residues require the selection of analytical methods based on their type. By conducting chemical analysis, it is possible to analyze the causes of defects and improve processes. You can download a free document summarizing our analysis service overview. If you are struggling with cleaning processes or defect analysis, please take a look. Zestron offers cleanliness analysis technology that can comply with ISO 9455-18:2024.

Oct 14, 2025

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A page explaining the future of evolving printed circuit boards (PCBs) and the increasing importance of cleaning technology has been added.

  • PRODUCT

The "Printed Circuit Board (PCB)" can be considered the heart of electronic devices; it serves as a foundation for mounting electronic components and electrically connecting them. The fine wiring patterns formed on this board become pathways for electronic signals, and the electronic components are fixed and connected by solder. From smartphones to automobiles, home appliances, and medical devices, PCBs have become an indispensable part of various technologies in modern society. In this article, we will introduce the main types of printed circuit boards (PCBs), the future prospects seen from the development of these boards, and the cleaning technologies that are required. Please see the related links for more information.

Sep 04, 2025

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A page titled "What is an SDS (Safety Data Sheet)?" has been added.

  • PRODUCT

An SDS (Safety Data Sheet) is a document that contains important information regarding the handling of chemical substances, relevant regulations, disposal and transportation methods, as well as hazards and toxicity. The applicable regulations for flux cleaning agents, the presence or absence of flash points, usage precautions, the necessity of protective equipment, and disposal methods are detailed over more than 10 pages. In this article, we will explain important points that we particularly want you to pay attention to, as well as frequently asked questions, in a column format. Please see the related links for more information.

Jul 08, 2025

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Detailed information

Company name ゼストロンジャパン
number of employees9
Contact addresspostalcode 253-0111 Kanagawa/ Samukawa-cho, Koza-gun/ 1-17-16 IchinomiyaView on map TEL:0467-53-8658 FAX:0467-53-9515
Key PartnersAnden Corporation Kyocera Corporation Clarion Co., Ltd. KOA Corporation Seiko Epson Corporation Toshiba Corporation Toyota Industries Corporation Mitsubishi Electric Corporation Yamaha Motor Co., Ltd. and others
Business LocationsClick here for the list
Industry Chemical
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