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Insulating Powder Coating

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Insulating Powder Coating Specification

Chemical Name
Epoxy Polyester Resin Blend

CAS No
Not Applicable (Mixture)

Type
Thermosetting Insulating Powder Coating

Standard
IEC 60464 / IS 101 standards (as per manufacturer specification)

Grade
Industrial / Electrical Insulation Grade

Usage
Electrical insulation for metal surfaces, electrical panels, busbars, and enclosures

Appearance
Solid, fine powder, available in multiple colors

Physical Form
Powder

Pack Size
10 kg, 20 kg, 25 kg bags

Pack Type
Sealed laminated bags or HDPE containers

Surface Finish
Smooth, glossy finish

Environmental Compliance
RoHS Compliant

Dielectric Strength
> 20 kV/mm

Adhesion
Excellent adhesion to pretreated metal substrates

Thermal Class
Class B (130C) or Class F (155C) depending on formulation

Curing Conditions
180C for 10-15 minutes (typical)

Shelf Life
12 months (stored in cool, dry conditions)

Color Options
Yellow, Orange, Red, Blue, Dark Blue, Aqua, Silver, White

Thickness Range
40-120 microns

Resistance
Good resistance to chemicals and moisture

Insulating Powder Coating About

High electrical insulation properties, with a large resistance coefficient and low dielectric constant, meeting the requirements for general enameled wire and electronic component encapsulation.

Capable of rapid low-temperature curing and can also utilize residual heat curing (for heat-resistant components).

Excellent adhesion and flexibility, with good moisture resistance, anti-aging properties, thermal stability, flame retardancy, and adjustable color options.

Edge coverage greater than 30%, with a breakdown voltage greater than 40KV/mm.

Resistant to heat, wear, water, acids, alkalis, and salts; the coating is continuous and smooth, with a very dense texture.

For large and heavy components, fluidized bed preheating and residual heat curing are recommended.

Product Parameters

Item	Quality Indicator	Test Method
Appearance	Uniform color, loose without lumps, dry powder flowability 120-140 mm	Visual inspection
Color	As per customer requirements	Combination of colorimeter and visual inspection
Adhesion	Cross-cut test (ISO 2409. GB/T 9286-1998)	0 level, excellent
Impact Resistance	Impact tester (drop weight method) (ISO 6272. GB/T 1732-1993)	Good performance at 50 kg.cm
Flexibility	Bending test instrument (ISO 1519. GB 6742-1986)	3 mm, excellent flexibility
Cupping Test	ISO 1520. GB/T 9753-1993	Pass at 8 mm
Surface Hardness	Pencil hardness (Mitsubishi pencil) (ASTM D3363. GB/T 6739-1996)	1H
Electrical Insulation	Breakdown voltage greater than 40KV/mm	Excellent
Humidity Resistance	ISO 6270. GB/T 1740-1979	Over 1000 hours
Salt Spray Test	ISO 7253. GB/T 1771-1991	Over 1000 hours

Application Fields:

Motor casings

Motor stators and rotors

Instruments

Small transformers

Electronic components

Exceptional Electrical Insulation

Engineered for metal surfaces in electrical panels, busbars, and enclosures, this powder coating delivers top-tier electrical insulation with high dielectric strength. It meets demanding safety standards, ensuring reliable performance for various electrical and industrial applications.

Vivid Color Selection & Superior Finish

Choose from a versatile color palette, including classic and contemporary hues. The resulting surface is smooth and glossy, enhancing the appearance of coated components while providing functional insulation. The high-quality finish is both visually appealing and durable.

Efficient Application & Lasting Protection

Application is straightforward: simply apply to a pretreated metal substrate and cure at 180C for 10-15 minutes. The coating forms a protective barrier that resists chemicals and moisture, maintaining integrity in challenging environments. Its excellent adhesion guarantees a long-lasting effect.

FAQ's of Insulating Powder Coating:

Q: How is insulating powder coating applied to metal surfaces?

A: The powder coating should be applied to pretreated metal surfaces using an electrostatic spray process. Once coated, the substrate should be cured in an oven at 180C for 10-15 minutes to achieve optimal adhesion and a smooth, glossy finish.

Q: What industries or components benefit most from this powder coating?

A: This product is ideal for electrical insulation applications, such as electrical panels, busbars, and enclosures. It's widely used in both industrial and electrical settings where dependable insulation and aesthetic finish are required.

Q: When should I consider reapplying or replacing the coating?

A: With proper application and storage, the coating provides long-term performance. Reapplication is typically only necessary if the coated surface is mechanically damaged or subjected to severe abrasion or chemical exposure.

Q: Where can the powder coating be stored, and what is the recommended shelf life?

A: Store the powder coating in a cool, dry environment in its original sealed packaging-such as laminated bags or HDPE containers. Under these conditions, the shelf life is 12 months from the date of manufacture.

Q: What is the process for achieving a smooth, glossy finish with this product?

A: After the powder is electrostatically applied to the substrate, the part must be cured at 180C for 10-15 minutes. This process ensures the resin blend fully crosslinks, delivering a uniform, smooth, and glossy surface.

Q: What are the key benefits of using this insulating powder coating?

A: Key benefits include outstanding dielectric strength, excellent adhesion, vibrant color choices, and resistance to chemicals and moisture. It also meets environmental standards (RoHS compliant) and enhances both the functionality and aesthetics of electrical equipment.

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