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Premium Electrical Insulation Solutions

Custom bulk supplier of high-performance insulation materials for transformers, generators, and motors. Engineered for reliability, efficiency, and safety in demanding electrical environments.

Our Hot Products

Discover our most popular electrical insulation materials trusted by manufacturers worldwide for performance and durability.

Diamond Dotted Insulation Paper

Diamond Dotted Insulation Paper

For Distribution Transformers

  • • Modified epoxy-resin coating in diamond-dotted patterns
  • • High dielectric strength
  • • Oil-impregnated compatibility
Transformer Pressboard

Electrical Insulation Pressboard

Transformer Paper Sheet

  • • 100% imported unbleached sulphate wood pulp
  • • High mechanical strength
  • • Excellent oil absorption
Kraft Paper

Oil Electrical Transformer Kraft Paper

Insulating Presspaper

  • • 100% wood pulp construction
  • • Complies with international standards
  • • High tensile strength
Crepe Paper Tubes

Oil Transformer Crepe Paper Tubes

Electrical Grade

  • • Made with electrical grade crepe paper
  • • Flexible and durable
  • • Ideal for winding insulation
DMD Transformer Insulation

Epoxy Resin Prepreg DMD

F-Class Insulation Paper

  • • Three-layer flexible material
  • • Polyester film + non-woven fabric
  • • Impregnated with heat-resistant epoxy resin
AMA Aramid Paper

AMA Aramid Paper Faced Insulation

Winding Material

  • • F-class adhesive bonding
  • • Aramid paper on both sides
  • • High thermal endurance
Composite Polyester Film

Composite Polyester Film MM/MMM

Transformer Insulation

  • • 2 or 3-layer Mylar composite
  • • High dielectric properties
  • • Dimensional stability
AKA Kapton Paper

AKA Kapton Electrical Insulation

Flexible Laminate

  • • Polyimide film (Kapton) core
  • • H-class or C-class adhesive
  • • Aramid paper outer layers

Insulation Materials by Application

Tailored solutions for every electrical insulation need across industries.

Oil Immersed Transformers

  • • Diamond Dotted Paper (DDP)
  • • Insulating Kraft Paper
  • • Crepe Paper Tubes
  • • Pressboard Sheets
  • • Oil-compatible laminates

Designed for high dielectric strength and excellent oil absorption in oil-filled transformer systems.

Dry Type Transformers

  • • Epoxy Prepreg DMD
  • • Composite MM/MMM Films
  • • AKA Kapton Laminates
  • • F-class and H-class materials
  • • High thermal index insulation

Flame-retardant, high-temperature insulation for dry-type transformers requiring no oil cooling.

Generator & Motor Winding

  • • AMA Aramid Paper
  • • DMD & NMN Composites
  • • Prepreg insulation papers
  • • High-flexibility laminates
  • • VPI and dip-coating compatible

Robust insulation for rotating machines exposed to vibration, heat, and electrical stress.

Hechin Factory

About Hechin Insulation

Hechin is a leading custom bulk supplier of electrical insulation materials, serving transformer, generator, and motor manufacturers globally. With a commitment to innovation and quality, we deliver high-performance insulation solutions engineered for reliability and safety.

Our product range includes specialized papers, laminates, films, and composites designed for oil-immersed and dry-type transformers, as well as high-efficiency motors and generators.

Global Reach

Serving clients in over 50 countries

Quality Certified

ISO and international standards compliant

Custom Solutions

Tailored materials to meet specific needs

R&D Focus

Continuous innovation in insulation tech

Why Choose Hechin?

Superior materials, advanced engineering, and global support for your electrical insulation needs.

High Reliability

Engineered for long-term performance under electrical and thermal stress.

High Efficiency

Optimized materials reduce losses and improve energy transfer.

Custom Manufacturing

Bulk production with tailored specs for OEMs and large projects.

Global Support

Multilingual team and international logistics for seamless service.

Get in Touch

Ready to discuss your insulation needs? Contact Hechin today for product details, samples, or custom quotes.

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