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  6. Hot melt molding mold ■■Matsumoto Processing■■

Hot melt molding mold ■■Matsumoto Processing■■

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Low Pressure Molding, Hot Melt Molding, Waterproof and Dustproof, Encapsulation Molding

last updated:Mar 04, 2025

松本加工
松本加工
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"Complete sealing of electrical components in just a few dozen seconds. Ideal for waterproofing, dustproofing, and insulation!" Hot melt molding is gaining attention for the waterproof sealing of electrical components.

Our company has 20 years of experience in hot melt molding and utilizes 3D CAD/CAE systems to design, manufacture, and sell molds specifically for hot melt molding. ◆Please feel free to contact us.

    Molding EquipmentOther polymer materialsCoating Agent
sample

Hot melt molding mold ■■Matsumoto Processing■■

sample 2.JPG
sample 2.JPG LED.jpg PCB.jpg
  • Matsumoto Processing Official Website
  • Special site - Product/service details - https://pr.mono.ipros.com/matsutame/product/

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basic information

Our company provides comprehensive technical support under the customer-first philosophy, from product shape design, prototype mold design and manufacturing, prototype evaluation, process proposals during mass production, to molding equipment design and manufacturing, and mass production startup support. Our in-house technical sales staff utilize their extensive experience, which spans hundreds of cases, along with technologies such as 3D-CAD design, specially developed flow analysis, and residual stress analysis to offer optimal proposals.

Price range

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Delivery Time

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Applications/Examples of results

- Automotive seat sensor - Automotive belt buckle sensor - Automotive power window switch - Automotive control board - Complete sealing of motor stator - Complete sealing of antenna coil etc.....

Detailed information

  • PCB2.jpg

    Examples of waterproof sealing for agricultural machinery substrates. The left side shows before sealing, and the right side shows after sealing (the black part is the hot melt molded section).

  • PCB.jpg

    Examples of encapsulation for industrial equipment circuit boards. The left side is before encapsulation, and the right side is after encapsulation (the black part is the hot melt molding section).

  • motor.jpg

    Example of waterproof sealing for motor stators. The amber-colored areas around the circuit board and the coils in the photo are hot melt molded sections.

catalog(11)

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"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Technical document: Introduction to hot melt molding. ■Matsumoto Processing■

"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Technical document: Introduction to hot melt molding. ■Matsumoto Processing■

TECHNICAL
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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■

TECHNICAL
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"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Case studies on hot melt molding (automotive parts) ■Matsumoto Processing■

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

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

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

TECHNICAL
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"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK500 by Matsumoto Processing.

"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK500 by Matsumoto Processing.

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"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK520 ■ Matsumoto Processing ■

"Complete sealing of electronic components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK520 ■ Matsumoto Processing ■

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"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK600 ■ Matsumoto Processing ■

"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK600 ■ Matsumoto Processing ■

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"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK700H by Matsumoto Processing.

"Complete sealing of electrical components in just a few dozen seconds. Waterproof, dustproof, and insulated." Hot melt molding machine MK700H by Matsumoto Processing.

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Low-cost & High-tactile molding machine MK10 ■Matsumoto Processing■

Low-cost & High-tactile molding machine MK10 ■Matsumoto Processing■

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Hot Melt Applicator MK-MELTER ■Matsumoto Processing■

Hot Melt Applicator MK-MELTER ■Matsumoto Processing■

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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 about this product(31)

We have uploaded a video introduction page about the waterproof sealing method for electrical components, "Hot Melt Molding." Please take a look.

  • Company news

We will introduce the waterproof sealing method for electrical components, "Hot Melt Molding," in a video. - Video introduction of the sealing process using various molding machines - Comparison between Hot Melt Molding and Potting - Video introduction of case studies using Hot Melt Molding and more. Please take a look!

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Hot Melt Molding Matsumoto Processing: Notice of Website Update: Please take a look.

  • Company news

Matsumoto Processing's "Hot Melt Molding," which focuses on waterproof sealing and insulation of electrical components, is gaining attention as an alternative technology to two-component potting. Traditionally, we have had many customers frequently visiting our prototype lab, but recently, we have received feedback that it has become difficult for them to come to our company due to the COVID-19 pandemic. Therefore, we have updated our website to more specifically introduce the advantages of hot melt molding and our technology. <Highlights> - Photos of various products sealed with hot melt - Video of USB hot melt molding sealing - Downloadable catalogs and technical materials Please take a look. URL: https://www.mtkk.co.jp/

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Hot melt molding for waterproofing, dustproofing, and miniaturization of M2M/IOT sensors.

  • Product news

Our company specializes in hot melt technology, specifically "hot melt molding," which is used for low-pressure molding to seal electronic devices. In recent years, we have received a significant number of inquiries for M2M/IOT applications, particularly for sensors installed outdoors and those used in harsh environments, aimed at waterproofing, dustproofing, and insulation. Examples of inquiries: - Sensors for agricultural applications (soil sensors, livestock management sensors) - Sensors for building management - Sensors for monitoring the operational status of outdoor equipment (such as outdoor units) - Drones, etc. Why is hot melt molding gaining attention? - It can mold at low pressure, allowing for sealing even delicate sensors. - Extensive waterproofing and dustproofing experience cultivated through automotive components. - The hot melt used is flame-retardant and UL94 V-0 certified. - The raw materials are derived from natural components (non-petroleum-based) and are environmentally friendly. Matsumoto Processing also accommodates small-batch sealing through a contract production system. Customers with themes related to waterproofing and dustproofing for sensors are encouraged to inquire.

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Hot Melt Molding for Waterproofing and Dustproofing, as well as Miniaturization of M2M/IOT Sensors

  • Product news

Our company specializes in hot melt technology, specifically "hot melt molding," which is used for low-pressure molding to seal electronic devices. In recent years, we have received numerous inquiries for M2M/IOT applications, particularly for sensors installed outdoors and those used in harsh environments, aimed at waterproofing, dustproofing, and insulation. Examples of inquiries: - Sensors for agricultural applications (soil sensors, livestock management sensors) - Sensors for building management - Sensors for monitoring the operational status of outdoor equipment (such as outdoor units) - Drones, etc. Why is hot melt molding gaining attention? - It can mold at low pressure, allowing for sealing of delicate sensors. - Extensive waterproof and dustproof track record developed through automotive components. - The hot melt used is flame-retardant and UL94 V-0 certified. - Raw materials are derived from natural components (non-petroleum-based) and are environmentally friendly. Matsumoto Processing also accommodates small-volume sealing through a contract production system. Customers with themes related to waterproofing and dustproofing for sensors are encouraged to inquire.

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松本加工

松本加工

Resin/Plastic

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  • Special site
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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.

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