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Insulation Powder Coating

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Insulation Powder Coating Specification

Chemical Name
Insulation Powder Coating

Type
Thermoplastic/ Thermosetting (Depending on Product)

Standard
Industry Standard/Custom Specification

Grade
Industrial Grade

Usage
Electrical Insulation, Battery Pack Protection, Electronic Components

Appearance
Fine Powder

Physical Form
Solid Powder

Pack Size
25 Kg / 50 Kg

Pack Type
HDPE Bag / Drum

Thermal Stability
Suitable for use up to 180C continuous

Dielectric Strength
> 50 kV/mm

RoHS Compliance
Yes

Curing Temperature
160C - 220C (Depending on Product Variant)

Flexibility
High flexibility to prevent cracking

Shelf Life
12 months in sealed, dry container

Corrosion Resistance
Protects against moisture, salts and chemicals

Adhesion
Excellent adhesion to metal and composite surfaces

Color
Grey, Black, or Custom Colors on Request

Application Methods
Electrostatic Spray, Fluidized Bed, Dipping

Insulation Powder Coating About

Introduction

Product Characteristics

Excellent adhesion;

Stable and outstanding insulation performance;

Excellent salt spray resistance;

Low water absorption;

Excellent abrasion resistance;

Outstanding chemical resistance;

Excellent flame retardant performance;

The product complies with RoHS requirements.

Performance Specifications of Insulation Powder

Item	Test Method	Performance Specification
Non-volatile Content (%)	GB/T 6554	99.4
Particle Size Distribution (%) 150m	GB/T 6554	3
Particle Size Distribution (%) 250m	GB/T 6554	0.5
Gel Time (s) 200	GB/T 6554	20-100
Curing Time (min) 200	GB/T 39636	5-15
RoHS	EN 62321	Qualified

Performance Specifications of Insulation Coating

Item	Test Method	Performance Specification
Coating Thickness	GB/T 13452.2	150250m
Impact Resistance	GB/T 1732	2J, no paint explosion, cracking, etc.
Adhesion	GB/T 9286	Grade 0
Voltage Resistance	2700V DC	Pass
Flame Retardancy	UL 94	V0
Hardness	GB/T 6739	H
Flexibility	GB/T 6742-86	20mm bending angle >90
Water Resistance	GB/T 1733	168h, voltage resistance requirements still met after drying
High and Low Temperature Shock Aging	-40, 85, 240 cycles; transition time within 30min, holding time 30min, each cycle 120min	No change in coating, no decrease in voltage resistance
Dual 85 Aging	1000h (85, 85%RH)	No change in coating, no decrease in voltage resistance
Salt Spray Test	GB/T 1771	720h, scribed area: one-side corrosion 1.0mm, no abnormality in unscribed area

Application Components

Application Component	Voltage Resistance	Flame Retardancy	Temperature Resistance Grade	Chemical Resistance	Adhesion
Battery Cell	2700V 120-250m coating thickness	UL94-V0	Class B (130)	Electrolyte, various oils	Grade 0
Battery Module	2700V 120-250m coating thickness	UL94-V0	Class B (130)	Electrolyte, various oils	Grade 0
Housing	2700V 120-250m coating thickness	UL94-V0	Class B (130)	Electrolyte, various oils	Grade 0
Cooling Plate	2700V 120-250m coating thickness	UL94-V0	Class B (130)	Electrolyte, various oils	Grade 0
Busbar	35000V/mm	UL94-V0	Class B (130)	Electrolyte, various oils	Grade 0
Motor Stator	35000V/mm	UL94-V0	(120-180) Class E-Class C	Electrolyte, various oils	Grade 0
Motor Rotor	35000V/mm	UL94-V0	(120-180) Class E-Class C	Electrolyte, various oils	Grade 0

Application Areas

To meet the protection requirements of the three-electric systems of new energy vehicles, this insulation powder coating has been specially developed to provide long-term protection for electric vehicle components. As the core power system of new energy vehicles, the three-electric system directly determines vehicle performance. Many components in the three-electric system operate under harsh environments involving high temperature and high voltage for long periods, requiring extremely high performance from protective coatings in terms of insulation, heat resistance, chemical resistance, and mechanical damage resistance.

Suitable for applications requiring insulation protection, including electrical cabinets, batteries, electronic control systems, motors, wiring harnesses, and other components.

Exceptional Electrical Insulation

The insulation powder coating boasts a dielectric strength exceeding 50 kV/mm, making it ideal for high-performance electrical insulation. Its adherence to metal and composite surfaces ensures that it stays in place, maintaining its protective barrier even under challenging operational conditions. This makes it highly advantageous for battery packs, electronic components, and other sensitive equipment.

Versatile Application Methods

Users can apply the powder coating using a range of techniques such as electrostatic spray, fluidized bed, or dipping, catering to various manufacturing setups. Its compatibility with different substrates, along with custom color options, makes it a versatile solution for both standard industrial requirements and specialized applications.

Durability and Environmental Resistance

Designed for longevity, this insulation powder coating is thermally stable up to 180C for continuous use and highly resistant to corrosion from moisture, chemicals, and salts. The coating's flexibility prevents cracking, while its shelf life of 12 months in sealed, dry containers ensures reliable storage and inventory management.

FAQ's of Insulation Powder Coating:

Q: How is the insulation powder coating applied to surfaces?

A: The insulation powder coating can be applied using electrostatic spray, fluidized bed, or dipping methods, allowing flexibility for different industrial processes and ensuring thorough coverage and optimal adhesion to both metal and composite materials.

Q: What benefits does this powder coating offer in electrical and electronic applications?

A: It provides excellent dielectric strength greater than 50 kV/mm, high flexibility to prevent cracking, and superior resistance to corrosion, moisture, salts, and chemicals. These properties make it ideal for insulating electrical components, battery packs, and other sensitive equipment.

Q: When is the product recommended for use based on temperature and environment?

A: The powder coating is thermally stable for continuous use in environments up to 180C and is effective at protecting surfaces exposed to moisture, salts, and chemicals, providing robust insulation and protection under demanding industrial conditions.

Q: What surface types will this coating adhere to effectively?

A: This insulation powder coating exhibits excellent adhesion on both metal and composite surfaces, ensuring long-lasting protection regardless of the substrate material.

Q: Where does this powder coating comply with environmental standards?

A: The product is RoHS compliant, making it suitable for use in environments and industries that require adherence to regulations limiting hazardous substances in electrical and electronic equipment.

Q: What options are available for color customization and packaging?

A: Standard colors include grey and black, with custom color options available upon request. The coating is supplied in 25 kg or 50 kg HDPE bags or drums to accommodate various project requirements.

Q: How does the product's shelf life affect storage and usage planning?

A: The insulation powder coating has a shelf life of 12 months when stored in a sealed, dry container, allowing for strategic inventory management and ensuring product effectiveness when needed.

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