Top 10 Companies in the Epoxy‑resin Prepreg DMD Market (2026): Market Leaders Powering Global Infrastructure

MARKET INSIGHTS

Global Epoxy‑resin Prepreg DMD market size was valued at USD 1.15 billion in 2025 and is projected to reach USD 1.85 billion by 2034, exhibiting a Compound Annual Growth Rate (CAGR) of 5.4% during the forecast period. The U.S. market is a significant contributor, with an estimated size of USD 280 million in 2025, while the Chinese market is anticipated to reach USD 520 million by 2034, reflecting its rapid industrial expansion.

Epoxy‑resin Prepreg DMD (Dacron‑Mylar‑Dacron) is a composite insulating material consisting of a layer of polyester film (Mylar) sandwiched between two layers of non‑woven polyester fabric (Dacron), all impregnated with an epoxy resin. This material is prized for its excellent electrical insulation properties, high mechanical strength, and thermal stability. It is primarily used to insulate and provide structural integrity in electrical components, particularly in dry‑type transformers and motors, because it offers superior dielectric strength and resistance to partial discharge.

The market growth is driven by the rising global demand for electricity and the consequent expansion and modernization of power infrastructure. Furthermore, the increasing adoption of renewable energy systems, which require efficient and reliable power conversion equipment, is a key growth factor. However, the market faces challenges from the volatility in raw material prices and the development of alternative insulating materials. Key players such as ENC GROUP, Nantong Zhongling Electric Power Technology, and Suzhou Jufeng Electrical Insulation System lead the market with extensive product portfolios and a focus on technological innovation to enhance material performance.

Epoxy‑resin Prepreg DMD Market – View in Detailed Research Report

Market Size Overview

In 2025 the global market reached USD 1.15 billion, with the U.S. and China accounting for roughly 28% and 45% of the total, respectively. The projected increase to USD 1.85 billion by 2034 underscores a sustained demand for high‑performance insulation across power generation, transmission, and renewable energy sectors.

Product Definition

The Dacron‑Mylar‑Dacron (DMD) prepreg is engineered to combine the dielectric robustness of polyester film with the mechanical resilience of non‑woven Dacron. Epoxy impregnation binds the layers, yielding a material that resists partial discharge and maintains integrity under high temperatures. These attributes make DMD the material of choice for dry‑type transformers, motor insulation, and other critical electrical applications.

Top 10 Companies in the Epoxy‑resin Prepreg DMD Market (2026)

🔟 1. ENC GROUP

Headquarters: Shanghai, China
Key Offering: DMD prepreg for transformers, motors, and specialty electrical components

ENC GROUP has built a reputation for delivering consistent, high‑quality insulation solutions. Its extensive R&D pipeline focuses on enhancing dielectric performance and expanding the material’s temperature range.

Sustainability & Growth Initiatives:

• Investing in bio‑based epoxy formulations to reduce carbon footprint.
• Deploying automated tape‑laying systems to improve production efficiency.
• Collaborating with power utilities to develop fire‑safe transformer solutions.

🟨 2. Nantong Zhongling Electric Power Technology

Headquarters: Nantong, China
Key Offering: DMD prepreg for transformers and motors, tailored for high‑voltage applications

The company leverages advanced impregnation techniques to achieve superior resin distribution, resulting in consistent dielectric performance across large‑scale transformer assemblies.

Sustainability & Growth Initiatives:

• Implementing closed‑loop resin recycling processes.
• Expanding production capacity to meet rising demand in the renewable sector.
• Partnering with automotive manufacturers to supply motor insulation.

🟧 3. Hechin

Headquarters: Jiangsu, China
Key Offering: Custom DMD prepreg solutions for aerospace and defense applications

Hechin specializes in high‑strength, low‑weight composites that meet stringent aerospace specifications, focusing on fatigue resistance and thermal stability.

Sustainability & Growth Initiatives:

• Developing halogen‑free flame‑retardant additives.
• Optimizing curing processes to reduce energy consumption.
• Engaging in joint research with defense contractors.

🟩 4. Henan Ya’an Electric Insulation

Headquarters: Henan, China
Key Offering: DMD prepreg for industrial motor and transformer applications

With a strong focus on cost‑effective production, Henan Ya’an delivers reliable insulation that balances performance with affordability.

Sustainability & Growth Initiatives:

• Adopting water‑based epoxy systems to lower VOC emissions.
• Scaling up production to support regional power grid upgrades.
• Implementing predictive maintenance for manufacturing equipment.

🟦 5. Xujue Electrical

Headquarters: Zhejiang, China
Key Offering: DMD prepreg for high‑temperature motor insulation

Xujue Electrical emphasizes thermal performance, enabling motors to operate reliably in demanding industrial environments.

Sustainability & Growth Initiatives:

• Investing in renewable energy projects to secure raw material supply.
• Enhancing material formulations for higher thermal class.
• Expanding distribution networks across Asia.

🟪 6. Jiangxi Hongte Insulation Materials

Headquarters: Jiangxi, China
Key Offering: DMD prepreg for wind turbine blade manufacturing

The company’s expertise in large‑area composites supports the growing wind energy market, delivering lightweight yet robust insulation.

Sustainability & Growth Initiatives:

• Exploring bio‑based resin blends.
• Implementing digital quality monitoring during curing.
• Partnering with wind turbine manufacturers for custom solutions.

🟪 7. Suzhou Jufeng Electrical Insulation System

Headquarters: Suzhou, China
Key Offering: DMD prepreg for power transformers and motor assemblies

Suzhou Jufeng focuses on precision impregnation to ensure uniform resin content, which translates into reliable dielectric performance.

Sustainability & Growth Initiatives:

• Deploying energy‑efficient autoclave systems.
• Developing recyclable composite solutions.
• Collaborating with national grid operators.

🟪 8. Changzhou Fengbao Insulation

Headquarters: Changzhou, China
Key Offering: DMD prepreg for industrial machinery and motor components

Changzhou Fengbao provides tailored insulation solutions that meet specific performance criteria for heavy‑industry applications.

Sustainability & Growth Initiatives:

• Optimizing resin formulations for lower VOC emissions.
• Investing in advanced curing technologies.
• Expanding regional distribution channels.

🟪 9. Huizhou Fuwei Insulation Material Technology

Headquarters: Guangdong, China
Key Offering: DMD prepreg for power electronics and motor insulation

The company emphasizes process consistency, ensuring that each batch meets strict dielectric and mechanical specifications.

Sustainability & Growth Initiatives:

• Implementing closed‑loop waste management.
• Expanding production capacity to serve the growing EV market.
• Partnering with research institutes on advanced composite materials.

🟪 10. Xuzhou City Heng Electric

Headquarters: Xuzhou, China
Key Offering: DMD prepreg for transformer and motor insulation with high thermal class

Heng Electric delivers products that support high‑temperature operations, making it suitable for industrial and power applications.

Sustainability & Growth Initiatives:

• Adopting renewable energy sources in manufacturing plants.
• Developing recyclable composite formulations.
• Engaging in joint development projects with utility companies.

Download FREE Sample Report

Get Full Report Here

Outlook

The forecast period to 2034 highlights a steady trajectory, driven by continued investments in grid modernization, renewable energy expansion, and the electrification of transportation. The market’s growth trajectory reflects the increasing reliance on high‑performance insulation materials to support safer, more efficient power systems.

Future Trends

• Integration of bio‑based epoxy resins to meet sustainability targets.
• Adoption of automated tape‑laying and out‑of‑autoclave curing to reduce manufacturing time and cost.
• Expansion of DMD applications into electric vehicle battery enclosures and structural components.
• Development of recyclable or re‑processable thermoset composites to address circular economy demands.
• Strategic partnerships between material suppliers and power infrastructure developers to accelerate deployment of advanced insulation solutions.