【Waterproof Sealing of Circuit Boards】Hot Melt Adhesive for Molding ■■Matsumoto Processing■■
Low Pressure Molding, Hot Melt Molding, Waterproof and Dustproof, Encapsulation Molding
"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.
▼VA: Switching of two-component potting agents ▼ ▼Waterproofing of substrates ▼ ▼Water sealing of terminals and connectors ▼ ▼Vibration damping of module components ▼ The hot melt adhesives we handle have a wide environmental temperature range of -40 to 140°C and are particularly well-established for sealing applications in automotive components. Additionally, they are sustainable products made primarily from natural fatty acids derived from grains. We will propose the most suitable hot melt adhesive based on your usage conditions. ◆ Our company consistently responds with in-house technology for selecting the optimal materials for your product specifications, designing molded products, conducting CAE analysis, and prototyping. Please feel free to contact us.
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basic information
Our company consistently provides technical support under the customer-first philosophy, from product shape design and prototype mold design and manufacturing to prototyping in our lab, evaluation of prototypes, proposals for mass production processes, design and manufacturing of molding equipment, and support for mass production startup. Our in-house sales and technical staff, equipped with extensive experience in hundreds of cases and utilizing technologies such as 3D-CAD design, flow analysis, residual stress analysis, and strength analysis, will propose the most suitable materials for our customers. Additionally, using a specially developed flow analysis environment, we address a series of processes towards product commercialization, including optimization proposals for molding shapes, manufacturing of prototype molds, and prototyping evaluations in our lab.
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Applications/Examples of results
Automotive parts: Numerous items including dashboard harnesses, circuit boards, switches, coil antennas, camera modules, etc. Home appliances: Numerous items including circuit boards, sensors, etc. Mobile devices: Numerous items including camera modules, circuit boards, harness assemblies, batteries, etc.
Detailed information
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Examples of waterproof sealing for agricultural machinery substrates Left is before sealing / Right is after sealing (the black part is the hot melt molded section)
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Example of waterproof sealing for motor stators The amber-colored part on the product's outer circumference is the hot melt molded section.
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Example of encapsulation for industrial equipment circuit boards Left is before encapsulation / Right is after encapsulation (the black part is the hot melt molding section)
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Company information
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.