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  1. Home
  2. Manufacturing and processing contract
  3. Matsumoto kakou Co.,Ltd.
Manufacturing and processing contract
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Matsumoto kakou Co.,Ltd.

Establishment1961 year
capital1000Ten thousand
number of employees11
addressShizuoka/Fuji-shi/Tsuda 165-1
phone0545-53-0585
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last updated:Oct 07, 2026
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  • Products/Services(58)
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Matsumoto kakou Co.,Ltd. Company Overview

Hot melt molding for waterproofing and insulation sealing of electrical components. Sealing is completed in just a few seconds. It achieves cost reduction and miniaturization of components.

Our company provides comprehensive support for the introduction of hot melt molding methods, from initial technical discussions and appropriate hot melt selection to prototype production and evaluation, optimal process considerations for mass production, proposals for optimal equipment or the design and manufacturing of dedicated machines (automated systems), hot melt supply and line support. For customers for whom equipment installation poses a barrier to adopting this method, we even offer production contracting at our facility, ensuring support from "start to finish." **Benefits of Hot Melt Molding** - Improved production efficiency and cost reduction through alternative methods to potting - Greater design flexibility due to mold forming, enabling miniaturization and lightweighting of components - Use of sustainable raw materials derived from natural fatty acids We have various molding machines and displays of adopted products available at our prototype lab in Fuji City, Shizuoka Prefecture. Please feel free to visit, even just for a tour.

Business Activities

<<Hot Melt Molding Prototype Evaluation>> Our lab in Fuji City, Shizuoka Prefecture, has multiple molding machines for prototyping, and many customers visit for on-site prototyping. <<Hot Melt Sales>> We will select and propose the most suitable materials from various types of hot melts, including polyamide-based, polyolefin-based, and polyurethane-based options. <<Design, Manufacturing, and Sales of Hot Melt Molding Machines and Molds>> We offer the compact and user-friendly "MK Series" as our standard hot melt molding equipment. Additionally, we can flexibly customize according to customer requests. For molds, we strive to minimize rework by conducting FMEA at the design stage using flow analysis CAE specifically tuned for hot melts. <<Hot Melt Contract Molding Services>> For customers who wish to outsource hot melt molding, we provide sealing services at our factory. Our factory is certified with ISO 9001/ISO 14001 and is capable of contract molding for automotive parts. <<Manufacturing and Sales of Packings, Gaskets, and Other Sealing Components>>

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Products/Services (58)

Hot Melt Molding Case Studies Collection (All 26 Cases) & Technical Documentation product image
Hot Melt Molding Case Studies Collection (All 26 Cases) & Technical Documentation
We will cut it to your desired shape and deliver it. [Heat Dissipation Sheet] product image
We will cut it to your desired shape and deliver it. [Heat Dissipation Sheet]
Waterproofing for drone electrical components! 【Hot melt low-pressure molding sealing】 product image
Waterproofing for drone electrical components! 【Hot melt low-pressure molding sealing】
Waterproof sealing of electrical components: Hot melt molding product image
Waterproof sealing of electrical components: Hot melt molding

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catalog(36)

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Heat dissipation thermal pad

Heat dissipation thermal pad

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"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Case studies on hot melt molding. ■Matsumoto Processing■

"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Case studies on hot melt molding. ■Matsumoto Processing■

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Hot Melt Molding Product Case Studies (Photos Before*After)

Hot Melt Molding Product Case Studies (Photos Before*After)

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"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Differences between potting methods and hot melt molding methods.

"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Differences between potting methods and hot melt molding methods.

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news(80)

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We will exhibit at Interop Tokyo (Autumn) from September 9 (Wednesday) to September 11 (Friday), 2026 at Makuhari Messe.

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"Hot melt molding," which solidifies in just a few dozen seconds and is attracting attention as a waterproof sealing method for electrical components. Our company will be exhibiting at Internepcon Japan (Autumn) from September 9 (Wednesday) to September 11 (Friday). On that day, we will showcase actual electrical components that have adopted hot melt molding both domestically and internationally. We look forward to your visit. We sincerely await your attendance.

Jul 08, 2026

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We will exhibit at the Monozukuri World Tokyo 2026.

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Matsumoto Processing will exhibit at the Manufacturing World Tokyo 2026. On that day, we will showcase products that have adopted hot melt molding sealing both domestically and internationally. We sincerely look forward to your visit.

May 12, 2026

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【Sample Giveaway】We are offering free samples of products that apply hot melt molding, a waterproof sealing method for electrical components that replaces potting, to LED substrates.

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"Free Sample Presentation Campaign" This time, we are offering free samples of our LED-equipped boards that have been completely sealed using hot melt molding to customers who request them. Please feel free to take a look at the actual product. "What is Hot Melt Molding?" It is a groundbreaking sealing method that provides excellent waterproofing, dustproofing, and insulation by injecting thermoplastic adhesive around electronic components. Since it solidifies within seconds in the mold, sealing is completed in a shorter time compared to traditional two-component potting and BMC molding. Additionally, the hot melt we handle is primarily made from natural fatty acids derived from grains, making it highly sustainable. Customers who wish to receive a sample, please do not hesitate to contact us.

Apr 07, 2025

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Detailed information

Company name Matsumoto kakou Co.,Ltd.
number of employees11
Contact addresspostalcode 417-0034 Shizuoka/ Fuji-shi/ Tsuda 165-1View on map TEL:0545-53-0585 FAX:0545-57-5687
Key Partners- Domestic automobile parts manufacturers - Overseas automobile parts manufacturers - Domestic electronics manufacturers - Domestic battery manufacturers - Many others
Business LocationsClick here for the list
Industry Manufacturing and processing contract
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