.

Insulating Powder Coating

Product Features:

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

ItemQuality IndicatorTest 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


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