MAFTEC

What MAFTEC does

MAFTEC Co., Ltd. is a Japan-based specialty materials manufacturer of polycrystalline alumina fiber (PAF) sold under the MAFTEC™ brand. The company's core technology is a proprietary needle-punching process that converts mullite-crystal alumina into a binder-free, high-purity fiber sheet with heat resistance to 1,600°C, dimensional stability at extreme temperatures, and virtually no respirable WHO fibers due to controlled 5–7 μm fiber diameter and 0–2% shot content. MAFTEC holds stated "world top share" in automotive catalytic converter substrate support mats (MAFTEC OBM™) and supplies thermal insulation products to steel heating furnaces, semiconductor heat-treatment furnaces, and general industrial manufacturing.

MAFTEC's product portfolio centers on MAFTEC™ Blanket (MLS and MLS-2 grades), processed downstream into MAFTEC OBM™ automotive holding mats, thermal insulation shaped products (skid post blocks, burner tiles), and MAFTEC™ Bulk fibrillated fiber for sealing and reinforcement. Recent extensions include EV flame protection materials for lithium-ion battery packs and stationary battery fire-prevention sheets for grid energy storage, leveraging the same PAF platform into battery fire-safety applications.

The business model is custom-specification direct enterprise sales through Tokyo headquarters and wholly-owned sales subsidiaries in Novi, Michigan (USA, est. September 2023) and Düsseldorf (Germany, est. September 2023), with manufacturing at two Japanese plants in Joetsu (Niigata, est. 1985) and Sakaide (Kagawa, est. 2006). Pricing is quote-based with no public catalog. The company was incorporated in September 2021 and began independent operations in March 2022 when Mitsubishi Chemical transferred its alumina fiber business to Apollo Global Management; ownership changed to a fund serviced by Advantage Partners Pte. Ltd. in September 2025 alongside an internal absorption merger.

Name

MAFTEC

Legal name

MAFTEC Co., Ltd.

Website

https://www.maftec.co.jp

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

101–250 employees

Short description

MAFTEC is a Japanese specialty manufacturer of polycrystalline alumina fiber products for high-temperature thermal insulation and automotive exhaust applications. It holds world-leading share in catalytic converter substrate support mats and serves steel, semiconductor, and industrial furnace customers globally.

Ownership category

akta.pro rank

Product category

High-Temperature Ceramic Fiber (Polycrystalline Alumina Fiber) Industrial Materials

NAICS

Nonwoven Fabric Mills (31323), Artificial and Synthetic Fibers and Filaments Manufacturing (325220)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Thermal & Acoustic Insulation Textiles (Insulation Felts/Soundproofing) (IMAOADAL)

akta.pro secondary industry

Man-Made Fiber Manufacturing (Polyester/Nylon/Acrylic/Viscose) (IMAOAAAB)

Keywords

• Polycrystalline alumina fiber
• High temperature insulation
• Catalytic converter mats
• Industrial furnace linings
• Ceramic fiber products

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. MAFTEC™ Product Sales: Manufacture and sale of polycrystalline alumina fiber products including Blanket, insulation shaped products, and Bulk materials. Custom-made products produced to customer specifications with direct sales to automotive and industrial customers.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

MAFTEC manufactures and sells polycrystalline alumina fiber (mullite crystal) products under the MAFTEC™ brand for high-temperature thermal insulation and automotive exhaust applications. Its core product, MAFTEC™ Blanket, is processed into MAFTEC OBM™ catalytic converter mats, shaped thermal insulation products (blocks, SPB, burner tiles), and MAFTEC™ Bulk fiber. Customers include automotive OEMs/Tier 1 suppliers, steel manufacturers, semiconductor processors, and other industrial furnace operators, served via direct enterprise sales and overseas sales subsidiaries.

Product overview

MAFTEC is a specialized manufacturer of polycrystalline alumina fiber (MAFTEC™) products. The product portfolio centers on MAFTEC™ Blanket as the core sheet-form product, which is processed into multiple product lines: MAFTEC OBM™ for automotive catalytic converter gripping materials, thermal insulation shaped products (including SPB and burner tiles), and MAFTEC™ Bulk for molded product raw materials. Recent applications include EV flame protection materials and stationary battery fire-prevention sheets. All products feature high heat resistance (up to 1,600°C), thermal insulation, and cushioning properties with advanced fiber-diameter control for safety.

Differentiator

Problem solved

Functional benefit

Brands

• MAFTEC™ Blanket: Core sheet product made of polycrystalline alumina fiber (mullite) using proprietary needle-punching process; available in MLS and MLS-2 grades for industrial furnace linings and automotive catalytic converter applications
• MAFTEC OBM™
• MAFTEC™ thermal insulation shaped products
• MAFTEC™ Bulk

Products and services

• MAFTEC™ Blanket Core sheet-form product made of needle-punched polycrystalline mullite alumina fiber with high heat resistance up to 1,600°C, thermal insulation, and cushioning properties; available in MLS (general-purpose) and MLS-2 (automotive) grades. Used as the base material for industrial furnace linings and for processing into OBM, shaped insulation products, and Bulk.
• MAFTEC OBM™ Gripping/support (mounting) mat material for automotive exhaust catalytic converters and particulate filters, produced by processing MAFTEC™ Blanket. Features wind-erosion resistance, cushioning, and low dust generation; serves automotive OEMs and Tier 1 suppliers.
• MAFTEC™ Thermal Insulation Shaped Products Thermal insulation blocks produced by cutting and laminating MAFTEC™ Blanket under compression, featuring high-temperature durability, low heat capacity, and excellent dimensional stability. Used in steel heating furnaces and various industrial applications.
• MAFTEC™ Bulk Cotton-like product made by fibrillating MAFTEC™ Blanket. Used as raw material for molded products, sealing material, filler for steel plant applications, and fiber reinforcement agents (aggregates).
• MAFTEC™ SPB (Skid Post Block) Blanket-based component for insulating and protecting skid posts in steel heating furnaces. Features low heat capacity, high temperature durability, crack resistance, and easy installation; delivers documented energy savings of 110 Gcal/year per skid post.
• EV Flame Protection Material (EV向け遮炎材) Component that blocks flames and ejecta from lithium-ion battery packs when ignited, protecting cabin space. Thinner than catalytic converter materials while offering higher flame-shielding performance and particle-impact resistance; targeted at EV battery safety applications.
• Stationary Battery Fire-Prevention Sheet (定置式電池延焼防止シート) Component used to suppress spread of fire to surrounding units in stationary (grid-use) batteries, offering high flame-shielding performance similar to EV flame protection materials.

Quantifiable outcome

• Temperature stability up to 1,600°C with minimal dimensional change
• +4 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Alkegen (formerly Unifrax): Global leader in high-temperature insulation fibers (including polycrystalline and alkaline earth silicate fibers), with a complementary product portfolio spanning ceramic fiber blankets, boards, and papers used in industrial, automotive, and fire-protection applications — directly comparable to MAFTEC's blanket, bulk, and shaped product lines.
• Pyrotek: Privately-held manufacturer of high-temperature insulation and refractory materials serving aluminum, steel, and industrial furnace customers worldwide. Comparable to MAFTEC in selling fiber-based insulation into steel and industrial process heating.
• Rath Group: Austrian specialty manufacturer of refractory and high-temperature fiber products, including polycrystalline alumina fibers and shaped insulating components. Closely comparable technology base and customer overlap with MAFTEC in steel and industrial furnace markets.
• Morgan Advanced Materials: UK-listed manufacturer of technical ceramics and refractory insulation products serving steel, aerospace, and industrial furnace end markets. Overlap with MAFTEC includes high-temperature fiber and shaped insulation used in furnace linings and demanding thermal applications.
• Promat (Etex Group): European manufacturer of high-temperature fire-protection and thermal insulation boards, papers, and microporous products. Comparable to MAFTEC in selling specification-grade insulation into construction, industrial, and increasingly EV/battery fire-protection applications.
• Nutec ProTec: Mexican-based manufacturer of ceramic fiber blankets, boards, and specialty shapes for industrial insulation. Directly competes in the same polycrystalline/alumina fiber blanket and shaped product category as MAFTEC.
• HarbisonWalker International: North America's largest producer of refractory products and monolithic materials serving steel, glass, cement, and industrial furnace customers. Comparable to MAFTEC in providing high-temperature insulation and refractory shapes for heavy industrial end markets.

Broad incumbents

• Saint-Gobain: Global building materials group with high-performance insulation and refractory product lines (e.g., Isover, ADFORS) serving industrial and construction markets. Comparable to MAFTEC in industrial thermal insulation broadly, though with vastly broader scope and reach.
• 3M: Global diversified manufacturer with a substantial fire-protection and thermal insulation portfolio (including EV battery protection materials through its automotive electrification businesses). Comparable to MAFTEC as an established large player entering the same battery fire-protection and industrial insulation markets MAFTEC is targeting.
• Ibiden: Japanese diversified ceramics and electronics materials manufacturer with a portfolio that includes high-temperature insulating and refractory products alongside larger electronics and automotive catalyst substrate businesses. Comparable to MAFTEC as a Japanese incumbent in specialty industrial ceramics and thermal insulation.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MAFTEC