Your Professional Coating Material Supplier
MCOTI Technology Co., Ltd., established in 2008, is a professional electronic adhesive supplier. The company is committed to providing comprehensive solutions including adhesive materials, curing and dispensing equipment for electronic equipment and automotive parts assembly.
In terms of products, MCOTI specializes in the production of adhesives, industrial glues, electronic adhesives, dispensing equipment, adhesive curing equipment and other products, and provides customers with excellent customized solutions and services.
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Water Based Epoxy Insulation PaintIt is a one-part, solvent free, thermal curing aqueous epoxy adhesive. It has excellent bonding strength to various substrates , especially for SUS and aluminum.
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Thermally Conductive CoatingIt is an one-part, thermal-curing aqueous epoxy coating. Designed for power devices, it serves as a thermally conductive coating.
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Water Based Polyurethane Insulation PaintPU 6203A is an environmentally friendly, high quality water-based, free isocyanate monomer polyurethane resin that exhibits excellent brushability, high initial bond strength and high heat resistance.
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Battery Cell CoatingIn the context of Light weighting, CTC/CTP battery structure technology has been derived. Under the demand of fast energy replenishment, the electrical safety of high-voltage battery makes it
Our Service

Technical Communication
CTQ : Understand the customer’s application and determine key performance requirements.
Problem Resolution: Provide technical data such as product physical properties, weather resistance, conductivity/thermal performance, and compliance certifications.
Case Sharing: Share successful solutions from previous projects to offer insights for similar applications.
Technical Support
On-Site Guidance: Offer on-site assistance when needed to support adhesive application, curing, and process optimization.
Application Training: Train the customer’s technical team on adhesive usage and quality control to enhance their application capabilities.
Problem-Solving: Quickly address issues such as adhesion failure or curing anomalies during the usage process and propose effective solutions.

MCOTI Insulation and Thermally Conductive Product Recommendations
Typical Products EW EP 6345:
|
Chemical Type |
Modify Epoxy |
|
|
Appearance |
White |
|
|
Viscosity @ 25°C |
MPa.s |
<1,000 |
|
Specific Gravity |
G/cm3 |
~2.2 |
|
Pencil Hardness |
2H |
|
|
Adhesion Cross-cut test |
5B |
|
|
Thermal Conductivity |
W/(m·K) |
2.0 |
|
Dielectic Strength |
KV/mm |
> 30 |
Considerations
Thin-Film Coatings
Coatings that supply thermal conductivity are usually less dense, and are applied as thin films. You may have a hard time finding a coating that provides high thermal conductivity at high densities or thicknesses.
Electrical Dissipation
Because most thermally conductive coatings contain metals, they are likely to be electrically conductive. Just how electrically conductive they are depends on the polymer base (if any) that the coating has. The upside? These coatings will often dissipate electrical charges effectively, helping stop the buildup of static electricity on the surface of the part.
Regular Heat Dissipation
If preventing the buildup of hot spots is particularly important to you, choose your coating carefully. Certain alloys such as aluminum are more likely to give you more even heat dissipation along the entire surface of the coated part.
Coatings to Use
Some epoxy coatings can be semi-conductive, depending on how they are blended
Polymer- Based coatings with aluminum or nickel blended in
Thin-film metals such as an aluminum coating, without a polymer base to it
MCOTI Battery Cell Coating Product Recommendations
Typical Products:
|
Chemical Type |
Acrylic acid |
|
|
Appearance |
Blue |
|
|
Viscosity @ 25°C |
MPa.s |
2500-3000 |
|
Specific Gravity |
G/cm3 |
~1.4 |
|
Insulation Test 6KV@1min |
MA |
< 0.1mA |
|
Hardness GB_T 6739 |
HB |
|
|
Flammability UL 94 |
V0 |
MCOTI Water based Polyurethane Insulation Paint Recommendations
Typical Products:
|
Appearance |
Milky white liquid |
|
|
Viscosity 4/5rmp,25oC |
MPa.s |
10000-15000(Adjustable viscosity) |
|
Solid content |
% |
45±2% |
|
Ph |
6-9 |
|
|
Mix radio (Curing agent weight) |
% |
~ 5 |
Drying Time

Water-Based Polyurethane
Dries faster, often within a few hours. Multiple coats can be applied in a single day.

Solvent-Based Polyurethane
Takes longer to dry, often requiring 24 hours or more between coats.
Durability and Hardness
Water-Based Polyurethane: Provides a durable finish that is resistant to scratches and wear, but generally not as hard as solvent-based polyurethane. It is also more flexible, which can be beneficial for certain applications.
Solvent-Based Polyurethane: Known for its very hard and durable finish. It tends to be more resistant to heat and chemicals compared to water-based finishes.
Appearance
Water-Based Polyurethane: Dries clear without adding color to the wood, preserving the natural look. It is often preferred for lighter woods and for applications where the natural color of the wood is desired.
Solvent-Based Polyurethane: Adds a warm, amber tone to the wood, which can enhance the depth and richness of darker woods. This ambering effect can be desirable for certain aesthetics.
Application
Water-Based Polyurethane
Easier to clean up with soap and water. It tends to be less flammable and less toxic, making it safer for indoor use and for users with sensitivity to fumes.
Solvent-Based Polyurethane
Requires mineral spirits or other solvents for cleanup. It is more flammable and has stronger fumes, necessitating better ventilation during application.
Environmental Impact
Water-Based Polyurethane: More environmentally friendly due to its lower VOC content. It complies better with environmental regulations.
Solvent-Based Polyurethane: Has a higher environmental impact due to its higher VOC content. Some areas have restrictions on its use due to environmental regulations.
Our Certificate



FAQ
We're professional coating material manufacturers and suppliers in China, specialized in providing high quality customized service. If you're going to buy coating material made in China, welcome to get free sample from our factory.
P type gasket, PCB Lacquer Coatings, Semiconductor packaging materials
