The Global Mica Tape for Vacuum Pressure Impregnation (VPI) Market was valued at USD 492.7 Million in 2025 and is projected to reach USD 678.3 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 3.9% during the forecast period. This growth is primarily driven by the expanding global demand for high-voltage motors and generators, stringent electrical safety regulations, and the ongoing modernization of power infrastructure across industrial and renewable energy sectors.

As electrical systems demand higher efficiency and reliability, the role of premium insulation materials becomes increasingly critical. Mica tape, known for its exceptional dielectric strength and thermal stability, is a cornerstone of the VPI process used in manufacturing robust electrical machines. In this blog, we profile the Top 10 Companies in the Mica Tape for VPI Industry—a group of specialized manufacturers and global suppliers shaping the future of electrical insulation.

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🔟 1. Von Roll Holding AG (Part of SHOWA DENKO MATERIALS)

Headquarters: Tokyo, Japan (via SHOWA DENKO MATERIALS)
Key Offering: High-performance Mica Tapes, VPI Systems, Composite Insulation Materials

Von Roll is a globally recognized leader in electrical insulation systems. Acquired by SHOWA DENKO MATERIALS, the company offers a comprehensive portfolio of mica-based tapes specifically engineered for the VPI process, serving major turbine, motor, and generator manufacturers worldwide.

Innovation & Market Position:

• Pioneer in developing halogen-free and high-temperature resistant mica tapes
• Global supply chain with manufacturing facilities in Europe and Asia
• Strong R&D focus on materials for next-generation electric vehicles and wind power

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9️⃣ 2. ISOVOLTA Group

Headquarters: Leoben, Austria
Key Offering: ISOMICA® Tapes, VPI Insulation Systems, Laminates

ISOVOLTA is a key European player with a long history in insulation materials. The company’s ISOMICA® product line includes a wide range of mica paper tapes with various backings, designed to meet the rigorous demands of the VPI process for high-voltage applications.

Innovation & Market Position:

• Specialization in tapes for hazardous environments and extreme temperatures
• Compliance with international standards like IEC, UL, and VDE
• Customizable solutions for specific motor and generator designs

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8️⃣ 3. Krempel GmbH

Headquarters: Vaihingen an der Enz, Germany
Key Offering: Mica Tapes, Laminates, Flexible Composites

Krempel is a German specialist in high-tech insulating materials with a significant global footprint. The company provides advanced mica tapes that offer excellent impregnation characteristics, crucial for achieving void-free insulation in the VPI process for large rotating machines.

Innovation & Market Position:

• Focus on sustainable and high-performance material solutions
• Strong presence in the European industrial and energy sectors
• Technical partnership approach with leading OEMs

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Mica Tape for Vacuum Pressure Impregnation(VPI) Market – View in Detailed Research Report

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7️⃣ 4. Nippon Sheet Glass Co., Ltd. (Mica Manufacturing Co., Ltd.)

Headquarters: Tokyo, Japan
Key Offering: Muscovite & Phlogopite Mica Tapes, Mica Paper

As part of the NSG Group, Mica Manufacturing Co. is a major supplier of raw mica and mica-based products. The company produces high-purity mica papers and tapes that serve as the fundamental base material for many VPI insulation systems used across Asia and globally.

Innovation & Market Position:

• Vertical integration from mica mining to finished tape production
• Leading supplier of raw materials to other tape manufacturers
• Extensive product range for different thermal classes (Class F, H, C)

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6️⃣ 5. Elantas GmbH

Headquarters: Hamburg, Germany
Key Offering: Mica Tapes, Impregnating Resins, Complete VPI Systems

Elantas, a member of the ALTANA Group, is a leading provider of electrical insulation materials. The company offers a systems approach, supplying compatible mica tapes and impregnating resins, which ensures optimal performance and reliability in the VPI process for manufacturers.

Innovation & Market Position:

• Integrated solutions combining tapes and resins for seamless VPI processing
• Global technical support and application engineering services
• Focus on innovation for e-mobility and high-speed motor applications

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5️⃣ 6. Suzhou Jufeng Electrical Insulation System Co., Ltd.

Headquarters: Suzhou, China
Key Offering: JF-MICA Tapes, DMD Papers, Composite Materials

Suzhou Jufeng is a prominent Chinese manufacturer specializing in electrical insulation materials. The company has grown significantly by catering to the domestic market’s booming demand for motors and generators, offering cost-effective and reliable mica tapes for VPI.

Innovation & Market Position:

• Rapid response to the needs of China’s massive industrial and renewable sectors
• Competitive pricing with improving quality standards
• Expanding export footprint in Southeast Asia and other emerging markets

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4️⃣ 7. AXTER Industrie

Headquarters: Avignon, France
Key Offering: Sectolene® Mica Tapes, Silicone Rubber Tapes

AXTER Industrie is a French specialist in insulation systems for rotating electrical machines. The company’s Sectolene® mica tapes are well-regarded for their performance in VPI processes, particularly in the railway, energy, and marine industries.

Innovation & Market Position:

• Strong expertise in transportation and traction motor insulation
• Products designed for harsh operating environments
• Emphasis on fire-resistant and safety-critical applications

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3️⃣ 8. Cogebi S.A.

Headquarters: Groot-Bijgaarden, Belgium
Key Offering: Mica Tapes, Laminates, Tubes and Sleeves

Cogebi is a European manufacturer with a focus on mica and composite insulation products. The company supplies a range of mica tapes suitable for VPI, serving the medium and high-voltage motor markets with a reputation for consistency and quality.

Innovation & Market Position:

• Specialization in both single and double-backed mica tape constructions
• Long-standing relationships with European industrial customers
• Flexible manufacturing capable of handling custom and small-batch orders

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Mica Tape for Vacuum Pressure Impregnation(VPI) Market – View in Detailed Research Report

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2️⃣ 9. Spb Global Inc. (Shanghai Xiangbang Insulation Material Co., Ltd.)

Headquarters: Shanghai, China
Key Offering: Mica Tapes, Laminates, Pre-preg Materials

Spb Global, operating through Shanghai Xiangbang, is a significant supplier in the Asian insulation market. The company produces a wide array of mica tapes that are widely used in the VPI processes of Chinese motor and generator manufacturers.

Innovation & Market Position:

• Competitive player in the price-sensitive market segments
• Broad product portfolio catering to various industrial applications
• Growing investment in R&D to enhance product performance

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1️⃣ 10. AEV Iberica

Headquarters: Barcelona, Spain
Key Offering: Mica Tapes, Composite Sheets, Varnishes

AEV Iberica is a specialized European manufacturer of insulation materials. The company offers mica tapes designed for compatibility with different resin systems used in VPI, serving customers in the Iberian Peninsula and exporting to various international markets.

Innovation & Market Position:

• Strong regional presence with a focus on technical customer support
• Products tailored for the repair and refurbishment market for electrical machines
• Commitment to meeting specific regional and international certification requirements

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⚡ Outlook: The Future of Mica Tape for VPI is Smarter and More Sustainable

The Mica Tape for VPI market is evolving in response to the global push for energy efficiency, electrification, and sustainability. While traditional mica tapes continue to dominate, the industry is investing in next-generation materials that offer enhanced performance, longer lifespan, and reduced environmental impact.

📈 Key Trends Shaping the Market:

• Development of bio-based and environmentally friendly impregnating resins compatible with mica tapes
• Increasing demand for tapes suitable for high-speed motors used in electric vehicles and aerospace
• Growth in the wind energy sector, requiring robust insulation for large generators
• Digitalization and Industry 4.0 integration in tape manufacturing for improved quality control

Get Full Report Here:
Mica Tape for Vacuum Pressure Impregnation(VPI) Market – View in Detailed Research Report

The companies listed above are not only supplying a critical component—they are enabling the electrification and efficiency of the modern world.