London, 2025 — Claritas Intelligence has published its global market report on microporous high temperature insulation (MHTI), sizing the market at USD 2.35 billion in 2025 and projecting it to reach USD 4.1 billion by 2033 at a compound annual growth rate of 7.2% over the 2025–2033 period under the firm's base-case model.
The single most consequential structural demand catalyst, the report finds, is tightening industrial energy-efficiency regulation on both sides of the Atlantic. EU Directive 2023/1791, the recast Energy Efficiency Directive that entered into force in October 2023, imposes binding annual final energy savings obligations and has required Member State transposition by October 2025. EU ETS carbon prices in the EUR 55–75/tonne CO₂ range mean incremental process insulation investment frequently pays back in under three years across industrial furnace applications, making capital allocation toward MHTI straightforward for procurement teams. In North America, IRA-linked industrial decarbonisation incentives create a parallel, if less binding, financial pull in the same direction.
A second, regulatory-driven substitution effect is compounding organic demand growth. The Carc. 1B classification of aluminosilicate refractory ceramic fibres (RCF) under the EU CLP Regulation, and the inclusion of specific synthetic vitreous fibres on the REACH SVHC candidate list, have opened a qualification imperative for alternative materials. The REACH Title VII authorisation timeline gives affected applications a compliance window of three to seven years from SVHC listing: predictable, durable, and already visible in procurement pipelines at energy-intensive industrial sites. Silica-based MHTI boards and blankets are the primary beneficiaries, and silica-based microporous panels already account for approximately 48% of 2025 revenue, reflecting the category's superior thermal performance at lambda values at or below 0.020 W/m·K at 200°C. Two further growth vectors, battery electric vehicle thermal runaway protection to UN GTR 20 specifications and high-purity polycrystalline alumina demand from the CHIPS Act and EU Chips Act semiconductor fab construction wave, add incremental volume pull through the forecast horizon.
On a segment basis, Energy and Power (industrial furnaces, kilns, and thermal process equipment) is the report's fastest-growing end-use vertical at an estimated 8.6% segment CAGR under the Claritas model. Geographically, Asia Pacific holds the largest regional share at approximately 38% of 2025 market value and is simultaneously the fastest-growing region, underpinned by China's industrial kiln and steel-sector capital expenditure cycle. One contrarian signal warrants attention: offshore oil and gas topside insulation demand is softer than sell-side consensus assumes. Red Sea freight disruptions that persisted through mid-2025 raised EPCI costs for floating production projects in the Middle East and East Africa, pushing several final investment decisions into the 2026–2027 window. With offshore O&G representing roughly 6–8% of MHTI demand by value, the aggregate market impact is modest, but forecasts anchored to pre-2024 project pipelines will overstate near-term growth in that segment.
Companies profiled in the report include Unifrax LLC, Morgan Advanced Materials plc, Promat International NV, Thermal Ceramics Inc. (Dyson Group), Isolite Insulating Products Co. Ltd., Rath AG, Firewrap Ltd., Cenotec Ceramics GmbH, Cabot Corporation, Aspen Aerogels Inc., NICHIAS Corporation, and Luyang Energy-Saving Materials Co. Ltd.
"The MHTI category is being pulled forward by two independent regulatory clocks simultaneously: the REACH RCF substitution timeline and the EU EED transposition cycle. Neither is discretionary, and their overlap through 2026–2028 is what makes the demand trajectory here more durable than typical industrial materials cycles. The BEV thermal runaway specification pipeline adds a third, structurally distinct demand leg that most industrial materials analysts have not yet fully disaggregated from broader automotive insulation." — Paras Kulkarni, Claritas Intelligence
About Claritas Intelligence: Claritas Intelligence is a global market intelligence publisher specialising in advanced materials, chemicals, and industrial technology sectors. The firm's research combines primary interviews, regulatory analysis, and proprietary modelling to support strategy, investment, and procurement decision-making.
The full analysis, including segmentation, regional breakdowns, forecasts, and company profiles, is available in the Microporous High Temperature Insulation Market Report.
“The global microporous high temperature insulation market is estimated at USD 2.35B in 2025 and projected to reach USD 4.1B by 2033 at a 7.2% CAGR, driven by EU energy-efficiency mandates and RCF substitution.”
Paras Kulkarni
Research Analyst – Chemicals & Materials