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1. Product Introduction
Insulating composite paper is made by laminating non-woven fabric/aramid paper with special film under high temperature and pressure. Common structures include DMD, NMN, NHN, and AMA. It features multi-layer integrated lamination, no delamination, high dielectric strength, complete temperature resistance levels, good flexibility, easy stamping and cutting, and excellent varnish penetration. It is a dedicated flexible insulating substrate for motors, transformers, electrical appliances, and new energy equipment, and supports slitting, die-cutting, and custom sizing.
II. Explanation of mainstream structure
DMD: Polyester nonwoven fabric + Polyester film + Polyester nonwoven fabric | Class B 130℃ / Class F 155℃
NMN: Aramid paper + Polyester film + Aramid paper | Class F 155℃
NHN: Aramid paper + Polyimide film + Aramid paper | Class H, 180℃
AMA: High-performance aramid composite structure | High temperature resistance, high strength
III. Core Technical Parameters
Temperature resistance grade: Grade B 130℃, Grade F 155℃, Grade H 180℃
Standard thickness: 0.10mm–0.50mm
Standard widths: 1000mm, 1200mm, customizable cutting
Electrical performance: high breakdown voltage, stable insulation
Characteristics: flame retardant, moisture-proof, resistant to aging, and resistant to bending
Environmental standards: RoHS, REACH, halogen-free
IV. Core selling points (Chinese | main promotional focus)
Three-layer composite structure, with enhanced insulation performance
The intermediate film exhibits high pressure resistance, while the surface paper material boasts strong adhesion. The composite is firm, without cracking or delamination, effectively preventing electric leakage and breakdown.
Multi-grade high temperature resistance, stable for long-term use
Covering all grades of B/F/H, it remains non-shrinking, non-brittle, and non-deforming in high-temperature environments, making it suitable for continuous equipment operation.
Strong and tough, with good folding resistance and processability
It is flexible, tear-resistant, and resistant to bending. It can be die-cut, stamped, slotted, and grooved without easy damage.
Excellent dipping effect
The surface fiber material exhibits good paint absorption, maintains strong integrity after impregnation, is moisture-proof and shock-resistant, and extends the service life of electrical appliances.
Resistant to moisture and corrosion, suitable for complex working conditions
Resistant to moisture, oil stains, and chemical corrosion, with insulation performance that remains unimpaired in high and low temperature cycling environments.
Complete specifications, flexible customization
We have ample stock in various thicknesses and widths, and can customize slicing, molded parts, and special sizes with fast delivery.
Environmental compliance, universally applicable
Halogen-free and non-toxic, it meets multiple international environmental standards and is compatible with both domestic and foreign trade orders.
V. Scope of application
Insulation of motor slots, phase-to-phase insulation, turn-to-turn insulation, dry-type transformers, reactors, interlayer insulation of transformers, new energy motors, battery packs, charging piles, insulation pads for household appliances, electronic control equipment, insulation and isolation of winding coils
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