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خانه محصولاترشته پلی ¬ پروپیلنPolyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use
Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use
Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use
Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use
اکنون تماس بگیرید

Polyimide Paper Insulation Material for Transformers with Temperature Resistance -210℃-280℃ and High Dielectric Strength for Long-term Use

مقدار حداقل تعداد سفارش : 50 قیمت : 25
شرایط پرداخت : T/T
محل منبع: چین نام تجاری: Longtai
گواهی: ISO 9001 ROHS سند: Polyimide Paper.pdf

اطلاعات تکمیلی
ولتاژ شکست: نمایش تصویر را ببینید استحکام کششی: 32-250 N/10mm
ضخامت: 0.05-0.3 میلی متر قدرت دی الکتریک: 10-30kv/mm
دمای طولانی مدت: 210-280 ℃ قدرت اشک: ＞4kN/m

توضیحات محصول

Insulation Material Polyimide Paper Used in Transformer Temperature Resistant -210℃-280℃ Long-term Use
Insulation Material Polyimide Paper For Transformer
Polyimide insulating paper for transformer applications
Product Overview
This high-performance polyimide insulating paper is specially developed for winding insulation of dry-type and oil-immersed high-temperature transformers. It supports long-term continuous operation at 210℃ to 280℃, far exceeding the heat resistance limit of conventional Class H (180℃) insulation materials, classified as ultra-high heat-resistant Class C insulating substrate.
Manufactured with high-purity polyimide fiber forming technology, it integrates superior electrical insulation, mechanical strength and thermal stability. It overcomes defects of traditional aramid paper such as dielectric attenuation, dimensional shrinkage and poor oil aging resistance under high temperature, perfectly matching insulation demands of hot-spot zones in high-end power transformers.
Key Technical Properties
  • Thickness Range: 0.06mm ~ 0.25mm, custom slitting width available
  • Dielectric Strength: ≥15kV, stable insulation performance under continuous high temperature
  • Mechanical Property: Longitudinal tensile strength ≥160MPa, tear strength ＞4kN/m, flexible for automatic winding without cracking
  • Thermal Endurance: Long-term service temperature 210℃–280℃, no softening, shrinkage or toxic volatilization under persistent high heat
  • Chemical Resistance: Inert to transformer insulating oil, impregnating varnish, acid and alkali solvents, no pulverization or degradation after long-time immersion
Core Advantages
  • Ultra-high heat resistance: Stable long-term service at 210–280℃, resistant to instantaneous overheating impact during transformer overload, extending equipment service life greatly
  • Reliable dielectric performance: Slight breakdown voltage drop under high temperature, high frequency and oil immersion, restraining space charge accumulation and partial discharge
  • Outstanding mechanical toughness: High tensile & tear resistance, good flexibility for coil wrapping and interlayer lining without damage
  • Low thermal shrinkage: Stable dimension under wide temperature range, no deformation after long-term high-temperature operation to secure winding insulation structure
  • Flame retardant & eco-friendly: Self-extinguishing, halogen-free and zero harmful gas emission at high temperature, complying with fire safety standards for dry-type transformers
Main Applications
  • Inter-turn & interlayer insulation for dry-type special transformers, high-frequency power transformers, traction transformers
  • Core isolation, hot-spot reinforcement liner and high-voltage coil wrapping for transformers
  • High-temperature insulation components inside new energy power converters and rail transit power equipment

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