1 EXECUTIVE SUMMARY
1.1 Scope of this report
1.2 Market size and growth
1.3 Key findings
1.4 The heat-removal pathway in numbers
1.5 AI hardware versus power electronics
1.6 Research priorities
1.7 Competitive landscape summary
2 INTRODUCTION AND METHODOLOGY
2.1 Report scope and definitions
2.2 The heat-removal pathway framework
2.3 Thermal resistance fundamentals
2.4 Measurement and characterisation methods
2.5 AI and power-electronics thermal paths compared
2.6 Research methodology
2.7 Relationship to other Future Markets reports
3 MARKET DRIVERS AND APPLICATION REQUIREMENTS
3.1 The AI accelerator power roadmap
3.2 Rack power density and the shift to liquid cooling
3.3 Data-centre power infrastructure
3.4 EV and transport power electronics
3.5 Renewable, grid and industrial power electronics
3.6 Telecom, RF and defence power devices
3.7 Wide-bandgap semiconductor adoption and why it shifts materials
3.8 Requirement matrices by application
3.9 Sustainability and regulatory drivers
3.10 Restraints and challenges
3.11 From device demand to materials content
3.12 Market by application, 2027-2037
4 POLYMER-BASED THERMAL-INTERFACE MATERIALS
4.1 Scope and position in the heat-removal pathway
4.2 Product forms
4.3 Matrix chemistries: silicone and silicone-free
4.4 Fillers and filler packing
4.5 Key research questions
4.6 Applications
4.7 Commercial product benchmarks
4.8 Prices
4.9 Supply chain, raw materials and regulation
4.10 Recent developments, 2024-2026
4.11 Supplier landscape and market shares
4.12 Market forecast
4.13 SWOT analysis
4.14 Outlook and research priorities
5 PHASE-CHANGE INTERFACE MATERIALS
5.1 Scope, definitions and working principle
5.2 Formulation and transition-temperature design
5.3 Material classes
5.4 Key research questions
5.5 AI server adoption
5.6 Power modules and power electronics
5.7 Commercial product benchmarks
5.8 Recent developments, 2024-2026
5.9 Suppliers and market shares
5.10 Market forecast
5.11 SWOT analysis
5.12 Outlook
6 METALLIC INTERFACE AND ATTACHMENT MATERIALS
6.1 Scope and position in the heat-removal pathway
6.2 Indium and indium-alloy solder TIM1
6.3 Liquid metals
6.4 Low-melting alloys and phase-change metals
6.5 Conventional solders for die, substrate and lid attach
6.6 Silver sintering
6.7 Copper sintering and active copper
6.8 Transient liquid phase bonding
6.9 Large-area sintering of substrate to baseplate and cooler
6.10 Silver-filled hybrid materials
6.11 Key research questions
6.12 AI versus power-electronics requirements
6.13 Raw materials: indium, gallium and silver
6.14 Products and suppliers
6.15 Recent developments, 2024-2026
6.16 Market forecast, 2027-2037
6.17 SWOT analysis
6.18 Outlook and research priorities
7 CARBON-BASED HEAT SPREADERS
7.1 Role in the heat-removal pathway
7.2 Material families
7.3 Property benchmarks
7.4 Key research questions
7.5 Applications
7.6 Products and suppliers
7.7 Costs and pricing
7.8 Recent developments, 2024-2026
7.9 Supplier landscape
7.10 Market forecast, 2027-2037
7.11 SWOT analysis
7.12 Outlook
8 DIAMOND-BASED THERMAL MATERIALS
8.1 Role in the heat-removal pathway
8.2 Material families and grades
8.3 Production methods and scalability
8.4 Key research questions
8.5 Applications
8.6 Recent developments, 2024-2026
8.7 Supplier landscape
8.8 Market forecast, 2027-2037
8.9 SWOT analysis
8.10 Outlook
9 THERMALLY CONDUCTIVE INSULATING CERAMICS
9.1 Scope and position in the heat path
9.2 Property benchmark
9.3 Aluminium nitride
9.4 Silicon nitride
9.5 Alumina and zirconia-toughened alumina
9.6 Beryllium oxide: a legacy material
9.7 Boron nitride systems
9.8 Metallised substrate technologies
9.9 Key research questions
9.10 Ceramics in AI infrastructure
9.11 Supply chain and suppliers
9.12 Recent developments, 2024-2026
9.13 Market forecast
9.14 SWOT analysis
9.15 Outlook
10 THERMALLY CONDUCTIVE POLYMER COMPOSITES
10.1 Scope and position in the heat-removal pathway
10.2 Polymer matrices
10.3 Fillers
10.4 Key research questions
10.5 Products and technologies
10.6 AI versus power-electronics requirements
10.7 Application map
10.8 Recent developments, 2024-2026
10.9 Supplier landscape
10.10 Market forecast
10.11 SWOT analysis
10.12 Outlook: high-conductivity insulating composites as a research priority
11 MATERIALS FOR INTEGRATED LIQUID COOLING
11.1 Scope and market definition
11.2 Cooling architectures and their material demands
11.3 Cold plates and microchannel structures
11.4 Bonded cooling structures
11.5 Seals, hoses and quick disconnects
11.6 Protective and functional coatings
11.7 Coolants, dielectric fluids and fluid-contact materials
11.8 Key research questions
11.9 Material content, cost structure and supply chain
11.10 AI versus power-electronics requirements
11.11 Recent developments, 2024-2026
11.12 Supplier landscape
11.13 Market forecast
11.14 SWOT analysis
11.15 Outlook: package-integrated cooling as a research priority
12 PACKAGE ARCHITECTURE, INTERFACE QUALITY AND SYSTEM-LEVEL THERMAL PERFORMANCE
12.1 Why bulk conductivity is a poor proxy for package-level cooling
12.2 Lidded and lidless architectures in AI packages
12.3 TIM1, TIM1.5 and TIM2: naming, roles and consolidation
12.4 Worked thermal resistance budget: AI accelerator package
12.5 Bond-line thickness sensitivity
12.6 Bringing the coolant closer: cold plates, micro-channel lids and direct-to-silicon cooling
12.7 2.5D and 3D stacks and the HBM thermal path
12.8 Backside power delivery and its thermal implications
12.9 Warpage of large packages and its effect on bond-line thickness
12.10 Co-packaged optics and vertical power delivery
12.11 Power modules: cooling architectures and the disappearing interface
12.12 Worked thermal resistance budget: SiC traction module
12.13 Case studies
12.14 Simulation, digital twins and system-technology co-optimisation
12.15 Metrology: measuring what matters
12.16 Reliability qualification
12.17 What to specify beyond thermal conductivity
12.18 Implications for the market
13 SUPPLY CHAIN, RAW MATERIALS, PRICING AND GEOPOLITICS
13.1 The value chain from raw materials to OEMs
13.2 Raw materials and their exposure by subcategory
13.3 Concentration by country
13.4 Export controls
13.5 Tariffs, 2025-2026
13.6 PFAS restrictions and fluorinated materials
13.7 Prices and price trends
13.8 Qualification cycles and switching costs
13.9 M&A and consolidation, 2023-2026
13.10 Regional manufacturing capacity
13.11 Risk matrix
14 GLOBAL MARKET FORECASTS 2027-2037
14.1 Forecast basis and assumptions
14.2 Total market
14.3 Market by material subcategory
14.4 Market by position in the heat-removal pathway
14.5 Market by application
14.6 Material by application matrix
14.7 AI hardware versus power electronics
14.8 Market by region
14.9 Scenario analysis
15 TECHNOLOGY ROADMAP, RESEARCH PRIORITIES AND COMPETITIVE LANDSCAPE
15.1 Technology roadmap 2027-2037
15.2 Research priorities
15.3 Emerging materials watchlist
15.4 Competitive landscape
15.5 Recommendations
15.6 Outlook
16 COMPANY PROFILES (156 company profiles)17 APPENDIX
17.1 Glossary of terms and abbreviations
17.2 Unit conversions and conventions
LIST OF TABLES
(371 tables)
LIST OF FIGURES
Global market by material subcategory, 2027-2037 (US$ million).
CAGR 2027-2037 by material subcategory (%).
Heat-removal pathway in a liquid-cooled, lidded AI accelerator package (heat flows upward from the die to the coolant).
Thermal management materials market by heat-path position, 2026, 2030 and 2037 (US$ million, constant 2025 dollars).
Total area-specific thermal resistance of TIM1 options in the worked example (mm2.K/W; lower is better).
Heat-removal pathway in a liquid-cooled SiC traction-inverter power module (heat flows downward from the die to the coolant).
Flagship NVIDIA accelerator package power by generation (W).
Rack power of flagship NVIDIA AI platforms (kW per rack).
Average new-build AI rack density, Future Markets base case (kW per rack).
Thermal-management materials market by application, 2027-2037 (US$ million, constant 2025 dollars).
CAGR 2027-2037 by application (%).
Heat path through a lidded AI accelerator module to a direct-to-chip cold plate, showing where polymer TIMs act.
Effective thermal conductivity of filled silicone versus filler volume fraction, Lewis-Nielsen model (matrix 0.16 W/m.K, spherical particles, maximum packing fraction 0.80).
Applied thermal resistance of a polymer TIM layer versus bond-line thickness for three bulk conductivities (combined contact resistance 0.02 K.cm2/W).
Supplier-quoted bulk thermal conductivity of selected polymer TIMs launched or promoted for AI and power electronics, 2021-2026.
Estimated supplier shares of the polymer TIM market, 2026 (US$1,650 million).
Polymer-based TIM market by application, 2027-2037 (US$ million).
Polymer-based TIM market by product form, 2027-2037 (US$ million).
Quoted bulk thermal conductivity across successive Honeywell/Solstice phase-change TIM generations, with a reference premium grease.
Quoted thermal impedance of selected thin-bond-line interface materials.
Estimated supplier shares of the phase-change interface materials market, 2026 (US$310 million).
Phase-change interface materials market by application, 2027-2037 (US$ million).
Phase-change interface materials market by form, 2027-2037 (US$ million).
Metallic layers in a double-sided-cooled SiC power module heat path (one side shown).
Bulk thermal conductivity versus peak joining temperature for metallic interface and attachment materials (mid-range values).
Indicative temperature drop across TIM1 for a 1,000 W, 700 mm2 accelerator die (mid-point estimates).
Indicative power-cycling lifetime multiple relative to solder die attach with Al wire bonds (mid-point).
Silver spot price at selected dates, 2025-2026.
Metallic interface and attachment materials market by application, 2027-2037.
Metallic interface and attachment materials by technology, 2027-2037 (Future Markets estimates).
Technology mix of metallic interface and attachment materials, 2037 (Future Markets estimates).
Synthetic graphite sheet in-plane conductivity and sheet conductance versus thickness.
In-plane versus through-plane thermal conductivity of spreader materials (mid-range values).
Carbon-based heat spreaders market by application, 2027-2037 (US$ million).
Carbon-based heat spreaders market by product type, 2027-2037 (US$ million).
Carbon-based heat spreaders market by application, 2037 (share of US$1,748 million).
Indicative cost trajectory of diamond thermal materials (US$/cm2, mid-points, log scale).
Illustrative GaN HEMT junction temperature rise by component: GaN-on-SiC versus GaN-on-diamond at different effective TBRs (K).
Near-junction diamond heat path in a GaN-on-diamond HEMT and the layers that add interface resistance.
Diamond-based thermal materials market by application, 2027-2037 (US$ million).
Diamond-based thermal materials market by product type, 2027-2037 (US$ million).
Diamond-based thermal materials: AI accelerators and advanced packaging versus telecom, RF and defence (US$ million).
Thermal conductivity versus fracture toughness of insulating substrate ceramics (typical production values).
Worked example: thermal resistance contributions by layer for six substrate stacks (K/W).
Heat path through a silicon nitride AMB power module stack (illustrative).
Estimated supplier shares of AMB substrate value, 2026 (mid-points, %).
Thermally conductive insulating ceramics market by application, 2027-2037 (US$ million).
Thermally conductive insulating ceramics by product group, 2027-2037 (US$ million).
Through-plane thermal conductivity versus filler loading, representative composite systems.
Thermal conductivity versus temperature rating of composite product classes (mid-points of representative ranges).
Thermally conductive polymer composites market by application, 2027-2037 (US$ million).
Thermally conductive polymer composites by product, 2027 and 2037 (US$ million).
Heat-flux capability versus indicative junction-to-fluid thermal resistance of cooling approaches (mid-points).
Approximate volumetric heat capacity of coolants and dielectric fluids at 25 C (MJ/m3.K).
Materials for integrated liquid cooling market by application, 2027-2037 (US$ million).
Materials for integrated liquid cooling by material and structure type, 2027-2037 (US$ million).
Materials for integrated liquid cooling: value and share of total thermal management materials market, 2023-2037.
Illustrative junction-to-coolant thermal resistance by layer for four AI accelerator architectures at 1,200 W (mK/W).
Temperature drop across the die-level interface versus bond-line thickness, 1,200 W over 1,600 mm2 (K).
Illustrative junction-to-fluid thermal resistance per switch position for three SiC module architectures (mK/W).
Share of junction-to-coolant thermal resistance attributable to interface layers, illustrative architectures (%).
China's indicative share of global primary production or refining for selected inputs to thermal management materials, 2025 (%).
Indicative price index for key thermal-materials metals, 2020 = 100.
Silver metal content cost per kilogram of sinter paste (88% Ag by weight) at different silver prices (US$/kg).
Thermal management materials market by region of consumption, 2027, 2030, 2033 and 2037 (US$ million).
Global market for thermal management materials for AI and power electronics, 2023-2037 (US$ million).
Global market by material subcategory, 2027-2037 (US$ million).
Incremental annual revenue by subcategory, 2027 to 2037 (US$ million).
Market by position in the heat-removal pathway, 2027, 2032 and 2037 (US$ million).
Global market by application, 2027-2037 (US$ million).
Market share by application, 2037.
AI hardware versus power electronics demand, 2027-2037 (US$ million).
Market by region, 2027 and 2037 (US$ million).
Scenario forecasts, 2027-2037 (US$ million).
Thermal management materials market by subcategory, 2027 and 2037 (US$ million).
Future Markets targets for installed die-level interface resistance, 2024-2037 (mm2.K/W).
Strategic groups: breadth across the heat-removal pathway versus exposure to AI and power electronics (Future Markets positioning estimates).