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Insulation Materials & Elements
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
  • DDP diamond dotted insulation paper for transformer ddp insulating paper
DDP diamond dotted insulation paper for transformer ddp insulating paper
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DDP diamond dotted insulation paper for transformer ddp insulating paper

  • 1 - 499 Kilograms
    $6.65
  • 500 - 999 Kilograms
    $4.75
  • >= 1000 Kilograms
    $2.85

Customization:

Customized packaging（Min.Order: 50 pieces）
View product details

DDP diamond dotted insulation paper for transformer ddp insulating paper

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Voltage Insulation: The DDP diamond dotted insulation paper is designed to provide reliable electrical insulation in transformer cores and high-voltage systems, ensuring safe and efficient energy transmission.
  • Thermal and Mechanical Protection: The diamond-patterned design enhances heat dissipation and structural stability, safeguarding against electrical arcing and mechanical stress in demanding applications.

Key features

  • 1. Advanced Material Technology

    • With diamond-dotted patterned design, optimize electrical insulation by improving heat dissipation and voltage distribution uniformity, enhancing safety in high-voltage environments.

  • 2. Superior Performance Parameters

    • With high dielectric strength, ensure safe operation under extreme voltages, outperforming standard insulation papers by ~30%* [*Disclaimer: Based on internal testing; results may vary].

  • 3. Commercial-Grade Scenario Solutions

    • Designed for high-voltage transformers, providing reliable insulation in commercial and industrial settings, ideal for continuous operation demands.

  • 4. Compliance with Safety Standards

    • Complies with international safety standards (e.g., IEC 60216), ensuring compliance with global regulations* [*Disclaimer: Certification details subject to manufacturer confirmation].

  • 5. Enhanced Efficiency and Durability

    • With corrosion-resistant treated paper, maintain structural integrity in harsh environments with moisture or chemicals, extending service life compared to conventional insulation materials* [*Disclaimer: Performance claims based on laboratory testing].

Product details

DDP diamond dotted insulation paper for transformer ddp insulating paper

The DDP diamond-dotted insulation paper is engineered for high-voltage transformer applications, offering superior electrical insulation and thermal stability. The patterned design (diamond grid) enhances structural integrity, while the plain variant provides a versatile base for customization. Both versions are crafted from high-grade paper with flame-retardant properties, ensuring safety in demanding environments.

Technical specifications

FeatureSpecificationBenefit
MaterialKraft paper with flame-retardant coatingResists ignition and maintains integrity under extreme heat
Pattern DesignDiamond grid (5mm x 5mm spacing)Ensures uniform electrical spacing in transformer cores
Thickness0.3mm ±0.02mmBalances flexibility and mechanical durability
Dielectric Strength12kV/mm (IEC 60243-1 compliant)Withstands high-voltage surges in transformer windings
Thermal ResistanceContinuous use up to 150°CMaintains performance in high-temperature industrial settings

Customization guide

Adjustable parameters:

  • Pattern size: Customize grid spacing (3mm to 8mm) to match transformer core dimensions.
  • Material thickness: Opt for 0.25mm (lightweight) or 0.35mm (heavy-duty) variants.
  • Coating additives: Enhance flame resistance or chemical resistance for specialized applications.

Get inspired

With the diamond-dotted pattern, you can achieve precise electrical spacing in transformer cores, reducing energy loss. The plain variant serves as a customizable base for layered insulation systems, enabling tailored solutions for high-voltage equipment.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Dielectric Strength12kV/mm+15% (13.8kV/mm)+30% (15.6kV/mm)*
Thermal Resistance150°C continuous180°C intermittent200°C continuous
Flame RetardancyUL94 V-2UL94 V-1UL94 V-0

Supplier's note

  1. Breakthrough Features:

    • The Pro Model’s dielectric strength (15.6kV/mm) triples industry benchmarks, enabling use in ultra-high-voltage substations.
    • Advanced Model’s UL94 V-1 rating reduces fire risk in industrial transformers.
    • Base Model’s 12kV/mm meets global IEC standards at an accessible cost.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard transformers (e.g., 11kV distribution systems) where cost-efficiency is prioritized.
    • Advanced Model: Suitable for industrial applications (e.g., 35kV wind turbines) requiring intermittent high-temperature resilience.
    • Pro Model: Mandatory for high-voltage substations (e.g., 220kV grids) where zero-flame spread and extreme dielectric performance are critical.

*Pro Model’s dielectric strength exceeds IEC 60243-1 by 30%, ensuring safer operation in extreme conditions.

Frequently asked questions

  • Which insulation paper suits high voltage transformer applications best?

  • How to store DDP insulation paper to prevent damage?

  • What’s the difference between patterned and plain insulation paper for transformers?

  • Can the DDP pattern be customized for specific transformer designs?

  • Is DDP insulation paper UL-certified for high-voltage use?

  • How does the diamond pattern improve transformer efficiency?

  • What are the key features of DDP insulation paper for transformer cores?

  • Can DDP insulation paper replace mica-based materials in transformers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Insulation Paper (DDP)High-voltage transformers, electrical equipment- Industry Standard: Plain paper (200 GSM, 0.3mm thick)
- Our Base: Durable paper (285 GSM ▲, 0.5dB noise reduction)
- Our Advanced: DDP patterned (400 GSM ▲, ASTM F739 chemical resistance)		▲ Lightweight, cost-effective, customizable patterns (e.g., grid designs)
Quieter operation (0.5dB ▲) for open-plan facilities		Lower thermal resistance (max 120°C) compared to resin-based materials
Insulation FilmMedium-voltage transformers, cable insulation- Industry Standard: PVC film (100µm thick)
- Our Base: PET film (120µm, 100°C耐温)
- Our Advanced: Hybrid PET/PE (150µm ▲, 150°C耐温)		Flexible, moisture-resistant, high dielectric strength (15kV/mm)Higher cost, less customizable than paper-based options
Insulation TapeMotor/winding insulation, cable joints- Industry Standard: Cloth tape (50mm width)
- Our Base: Fiberglass tape (60mm, 200°C耐温)
- Our Advanced: Self-adhesive fiberglass (70mm ▲, 250°C耐温)		Easy application, high-temperature tolerance (250°C ▲)Stiffness may require skilled installation
Insulation ResinHigh-temperature transformers, bushings- Industry Standard: Epoxy resin (H-class, 180°C)
- Our Base: Modified epoxy (B-class, 130°C)
- Our Advanced: Silicone-infused resin (H-class ▲, 220°C耐温)		Superior thermal stability (220°C ▲), chemical resistanceHeavier, higher cost, longer curing time
Insulation FoilCapacitor insulation, EMI shielding- Industry Standard: Aluminum foil (0.05mm thick)
- Our Base: Copper-clad foil (0.1mm ▲)
- Our Advanced: Nanocoated foil (0.12mm ▲, 30dB EMI reduction)		Excellent EMI shielding (30dB ▲), lightweightProne to corrosion without coating
Insulation ClothGenerator windings, motor insulation- Industry Standard: Cotton cloth (80g/m²)
- Our Base: Glass fiber cloth (120g/m² ▲)
- Our Advanced: Kevlar-reinforced cloth (150g/m² ▲, 250°C耐温)		High tensile strength (250% ▲), fire-resistantLess flexible than film-based alternatives

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