Report Code : CVMI2501254 | Published Date : March 3, 2025

1 | Market Overview

Photocatalytic materials and coatings utilize substances—primarily titanium dioxide (TiO₂), zinc oxide (ZnO), and tungsten oxide (WO₃)—that activate under light to induce oxidation-reduction reactions. These reactions degrade pollutants, eliminate microbes, and prevent the buildup of organic matter. The coatings are applied to surfaces in buildings, vehicles, solar panels, textiles, and industrial systems to provide air purification, self-cleaning, and antimicrobial benefits.

Photocatalytic materials are essential for passive environmental remediation and smart coatings, particularly in urban architecture, healthcare infrastructure, and transportation. Their ability to function without energy input supports long-term sustainability goals and aligns with green building practices.

 

2 | Market Size and Forecast

Year

Market Value (USD Million)

Notes

2019

720

Base demand in self-cleaning applications

2024

1,020

CAGR 7.2% (2019–2024)

2031

1,960

Projected CAGR 9.5% (2024–2031)

 

3 | Primary Market Drivers

  • Expanding use in green buildings and sustainable city infrastructure
  • Growing adoption in medical and hygiene-critical spaces
  • High pollution mitigation needs in urban and industrial environments
  • Smart surface integration in mobility and infrastructure
  • Rising investment in antimicrobial and deodorizing technologies

 

4 | Market Challenges

  • High product cost and limited awareness in developing economies
  • Decreased efficiency in low-light or indoor settings
  • Adhesion and longevity issues on complex or flexible substrates
  • Absence of global performance and durability standards

 

5 | Competitive Landscape

Company

Est. 2024 Share

Competitive Strengths

Recent Move

CristalACTiV (Tronox)

18%

Advanced TiO₂ photocatalyst portfolio

Developed composite coating for particulate degradation

TOTO Ltd.

16%

Application leadership in smart buildings

Launched hybrid self-cleaning and antimicrobial wall finish

SK Kaken

13%

Nano-TiO₂ with long-term weather durability

Expanded product range for building and civil infrastructure

PPG Industries

11%

Active in architectural and transportation coatings

Introduced photocatalytic PV panel coatings

Others

42%

Niche innovators and regional players

Active in textiles, air purification systems, and vehicles

 

6 | Market Segmentation

By Material Type

  • Titanium Dioxide (TiO₂)
  • Zinc Oxide (ZnO)
  • Tungsten Oxide (WO₃)
  • Other Mixed Oxide and Composite Materials

 

By Application

  • Architectural Surfaces – 34%
  • Healthcare & Institutional Buildings – XX%
  • Automotive & Transportation – XX%
  • Energy (Solar Panels, HVAC) – XX%
  • Consumer Goods & Textiles – XX%

 

7 | Regional Analysis

  • Asia-Pacific (44%) – Rapid smart city development and air quality initiatives
  • Europe (XX%) – Strongest regulatory support for green coatings
  • North America (XX%) – Demand driven by LEED buildings and medical retrofits
  • Latin America (XX%) – Increasing adoption in government and retail structures
  • Middle East & Africa (XX%) – Usage in solar and façade systems for heat control

 

8 | Technology and Innovation

  • Composite photocatalysts for multi-spectrum activation (UV + visible)
  • Transparent coatings for glass and solar applications
  • Sprayable nanomaterials for retrofit installations
  • Hybrid antimicrobial-deodorizing photocatalytic formulations
  • Photocatalytic films for HVAC filters and interior surfaces

 

9 | Regulatory Environment

Subject to EU Ecolabel, Green Seal (US), and Japan Eco Mark. Product testing standards encompass ISO 27447 (antibacterial activity), ISO 22197 (NOx removal), and ISO 10678 (organic pollutant decomposition). Health compliance for use in food, healthcare, and child-safe environments is critical.

 

10 | Recent Developments (Q4 2023 – Q2 2025)

  • Q4 2023 – CristalACTiV released hybrid coating for polluted metro regions
  • Q1 2024 – SK Kaken launched TiO₂ + ZnO smart coating for subtropical climates
  • Q4 2024 – TOTO introduced nano-glass coating for hospital exterior walls
  • Q2 2025 – PPG unveiled solar panel-safe anti-dust photocatalytic finish

 

11 | Strategic Outlook

Suppliers should align products with sustainability certifications and HVAC integration. Growth lies in retrofitting, decentralized air quality solutions, and antimicrobial infrastructure coatings. Partnering with architectural firms and public agencies will facilitate broader adoption.

 

12 | Methodology

Data gathered through architectural specification databases, coating formulation surveys, and 80+ interviews with procurement managers, engineers, and green building experts. Forecasts modeled on clean air regulation timelines and energy-efficient infrastructure policies.





Reasons To Buy

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Scope

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Key Players

  • Toto Ltd.
  • Kon Corporation
  • Mitsubishi Chemical Corporation
  • Sto SE & Co. KGaA
  • Advanced Materials-JTJ s.r.o.
  • Saint‑Gobain
  • PPG Industries
  • PURETi Group LLC
  • Eco Active Solutions
  • Green Earth Nano Science
  • Kronos Worldwide Inc
  • Zhejiang Hexie Photocatalytic

 

Photocatalytic Material and Coating Market Report

 

  1. 1. Photocatalytic Material and Coating Market Research Report
    1. 1.1 Study Objectives
    2. 1.2 Photocatalytic Material and Coating Market - Overview
    3. 1.3 Reason to Read This Report
    4. 1.4 Methodology and Forecast Analysis
  2. 2. Photocatalytic Material and Coating Market Research Report - Preface
    1. 2.1 Photocatalytic Material and Coating Market Research Report – Detailed Scope and Definitions
      1. 2.1.1 By Material Type
      2. 2.1.2 By Application
      3. 2.1.3 By Region
  3. 3. Photocatalytic Material and Coating Market Dynamics
    1. 3.1. Drivers - Macro-Economic Based, Supply Side, and Demand Side Drivers
    2. 3.2. Restraints – By Material Type, By Application, By Country
    3. 3.3. Opportunities – By Material Type, By Application, By Country
    4. 3.4. Trends – By Material Type, By Application, By Country
    5. 3.5. PEST Analysis
    6. 3.6. Porters Five Rule Analysis
    7. 3.7. Company’s Share Analysis (CSA) by Region or By Country
    8. 3.8. Photocatalytic Material and Coating Market Research Report – DROTs Impact Analysis
    1. 4. Photocatalytic Material and Coating Market Research Report, Historic Data 2019 - 2023 and Forecast Analysis Data 2024 - 2031
    2. 4.1. Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    3. 4.2. Annual Market Trend Assessment – Year-on-Year (YoY) Growth Analysis (%)
    4. 4.3. Incremental Market Value/Volume Opportunity between 2019 - 2023 and 2024 - 2031
    5. 4.4. Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
  1. 5. Photocatalytic Material and Coating Market, By Material Type, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 5.1 Titanium Dioxide (TiO₂)
    2. 5.1.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    3. 5.1.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    4. 5.1.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    5. 5.1.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    6. 5.2 Zinc Oxide (ZnO)
    7. 5.2.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    8. 5.2.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    9. 5.2.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    10. 5.2.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    11. 5.3 Tungsten Oxide (WO₃)
    12. 5.3.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    13. 5.3.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    14. 5.3.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    15. 5.3.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    16. 5.4 Other Mixed Oxide and Composite Materials
    17. 5.4.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    18. 5.4.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    19. 5.4.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    20. 5.4.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    6. Photocatalytic Material and Coating Market, By Application, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 6.1 Architectural Surfaces
    2. 6.1.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    3. 6.1.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    4. 6.1.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    5. 6.1.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    6. 6.2 Healthcare & Institutional Buildings
    7. 6.2.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    8. 6.2.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    9. 6.2.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    10. 6.2.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    11. 6.3 Automotive & Transportation
    12. 6.3.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    13. 6.3.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    14. 6.3.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    15. 6.3.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    16. 6.4 Energy (Solar Panels, HVAC)
    17. 6.4.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    18. 6.4.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    19. 6.4.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    20. 6.4.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
    21. 6.5 Consumer Goods & Textiles
    22. 6.5.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
    23. 6.5.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
    24. 6.5.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
    25. 6.5.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
  1. 7. Photocatalytic Material and Coating Market Forecast, By Region, 2019 - 2023 and 2024 - 2031 (Market Value, In USD Mn)
    1. 7.1 North America
      1. 7.1.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
      2. 7.1.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
      3. 7.1.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
      4. 7.1.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
      7.2 Europe
      1. 7.2.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
      2. 7.2.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
      3. 7.2.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
      4. 7.2.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
      7.3 Asia-Pacific
      1. 7.3.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
      2. 7.3.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
      3. 7.3.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
      4. 7.3.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
      7.4 Latin America
      1. 7.4.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
      2. 7.4.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
      3. 7.4.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
      4. 7.4.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
      7.5 Middle East and Africa
      1. 7.5.1 Market Performance Review & Future Outlook: Assessing 2019 - 2023 and Predicting 2024 - 2031 Trends (USD Millions)
      2. 7.5.2 Annual Market Trend Assessment – Yearly Growth Observation (Y-O-Y)(%)
      3. 7.5.3 Incremental Market Value/Volume Opportunity between 2019 - 2023 and From 2024 to 2031
      4. 7.5.4 Market Shares Analysis in Years - 2019, 2023, 2024 and 2031
      7.6 Photocatalytic Material and Coating Market - Opportunity Analysis Index, By Material Type, By Application, and Region, 2024 - 2031
  1. 8. North America Photocatalytic Material and Coating Market Analysis, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 8.1 By Material Type Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 8.1.1 Titanium Dioxide (TiO₂)
      2. 8.1.2 Zinc Oxide (ZnO)
      3. 8.1.3 Tungsten Oxide (WO₃)
      4. 8.1.4 Other Mixed Oxide and Composite Materials
      8.2 By Application Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 8.2.1 Architectural Surfaces
      2. 8.2.2 Healthcare & Institutional Buildings
      3. 8.2.3 Automotive & Transportation
      4. 8.2.4 Energy (Solar Panels, HVAC)
      5. 8.2.5 Consumer Goods & Textiles
      8.3 Country Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 8.3.1 United States
      2. 8.3.2 Canada
    2. 8.4 North America Photocatalytic Material and Coating Market – Opportunity Analysis Index, By Material Type, By Application, and Country, 2024 - 2031
    3. 8.5 Regional Trends Analysis
    4. 8.6 North America Photocatalytic Material and Coating Market Research Report - Company Profiles
      1. 8.6.1 Company 1 (United States)
      2. 8.6.2 Company 2 (Canada)
      3. 8.6.3 Company 3 (Canada)
    9. Europe Photocatalytic Material and Coating Market Analysis, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 9.1 By Material Type Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 9.1.1 Titanium Dioxide (TiO₂)
      2. 9.1.2 Zinc Oxide (ZnO)
      3. 9.1.3 Tungsten Oxide (WO₃)
      4. 9.1.4 Other Mixed Oxide and Composite Materials
      9.2 By Application Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 9.2.1 Architectural Surfaces
      2. 9.2.2 Healthcare & Institutional Buildings
      3. 9.2.3 Automotive & Transportation
      4. 9.2.4 Energy (Solar Panels, HVAC)
      5. 9.2.5 Consumer Goods & Textiles
      9.3 Country Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 9.3.1 Germany
      2. 9.3.2 United Kingdom
      3. 9.3.3 France
      4. 9.3.4 Spain
      5. 9.3.5 Italy
      6. 9.3.6 Russia
      7. 9.3.7 Netherlands and Rest of Europe
    2. 9.4 Europe Photocatalytic Material and Coating Market – Opportunity Analysis Index, By Material Type, By Application, and Country, 2024 - 2031
    3. 9.5 Regional Trends Analysis
    4. 9.6 Europe Photocatalytic Material and Coating Market Research Report - Company Profiles
      1. 9.6.1 Company 1 (Germany)
      2. 9.6.2 Company 2 (United Kingdom)
      3. 9.6.3 Company 3 (United Kingdom)
    10. Asia-Pacific Photocatalytic Material and Coating Market Analysis, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 10.1 By Material Type Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 10.1.1 Titanium Dioxide (TiO₂)
      2. 10.1.2 Zinc Oxide (ZnO)
      3. 10.1.3 Tungsten Oxide (WO₃)
      4. 10.1.4 Other Mixed Oxide and Composite Materials
      10.2 By Application Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 10.2.1 Architectural Surfaces
      2. 10.2.2 Healthcare & Institutional Buildings
      3. 10.2.3 Automotive & Transportation
      4. 10.2.4 Energy (Solar Panels, HVAC)
      5. 10.2.5 Consumer Goods & Textiles
      10.3 Country Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 10.3.1 China
      2. 10.3.2 Japan
      3. 10.3.3 India
      4. 10.3.4 South Korea
      5. 10.3.5 Australia & New Zealand
      6. 10.3.6 ASEAN
      7. 10.3.7 Rest of Asia-Pacific
    2. 10.4 Asia-Pacific Photocatalytic Material and Coating Market – Opportunity Analysis Index, By Material Type, By Application, and Country, 2024 - 2031
    3. 10.5 Regional Trends Analysis
    4. 10.6 Asia-Pacific Photocatalytic Material and Coating Market Research Report - Company Profiles
      1. 10.6.1 Company 1 (China)
      2. 10.6.2 Company 2 (Japan)
      3. 10.6.3 Company 3 (Japan)
    11. Latin America Photocatalytic Material and Coating Market Analysis, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 11.1 By Material Type Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 11.1.1 Titanium Dioxide (TiO₂)
      2. 11.1.2 Zinc Oxide (ZnO)
      3. 11.1.3 Tungsten Oxide (WO₃)
      4. 11.1.4 Other Mixed Oxide and Composite Materials
      11.2 By Application Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 11.2.1 Architectural Surfaces
      2. 11.2.2 Healthcare & Institutional Buildings
      3. 11.2.3 Automotive & Transportation
      4. 11.2.4 Energy (Solar Panels, HVAC)
      5. 11.2.5 Consumer Goods & Textiles
      11.3 Country Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 11.3.1 Brazil
      2. 11.3.2 Mexico
      3. 11.3.3 Argentina
      4. 11.3.4 Peru
      5. 11.3.5 Colombia
      6. 11.3.6 Rest of Latin America
    2. 11.4 Latin America Photocatalytic Material and Coating Market – Opportunity Analysis Index, By Material Type, By Application, and Country, 2024 - 2031
    3. 11.5 Regional Trends Analysis
    4. 11.6 Latin America Photocatalytic Material and Coating Market Research Report - Company Profiles
      1. 11.6.1 Company 1 (Brazil)
      2. 11.6.2 Company 2 (Mexico)
      3. 11.6.3 Company 3 (Mexico)
    12. Middle East and Africa Photocatalytic Material and Coating Market Analysis, 2019 - 2023 and Forecast, 2024 - 2031 (Market Value, In USD Mn)
    1. 12.1 By Material Type Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 12.1.1 Titanium Dioxide (TiO₂)
      2. 12.1.2 Zinc Oxide (ZnO)
      3. 12.1.3 Tungsten Oxide (WO₃)
      4. 12.1.4 Other Mixed Oxide and Composite Materials
      12.2 By Application Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 12.2.1 Architectural Surfaces
      2. 12.2.2 Healthcare & Institutional Buildings
      3. 12.2.3 Automotive & Transportation
      4. 12.2.4 Energy (Solar Panels, HVAC)
      5. 12.2.5 Consumer Goods & Textiles
      12.3 Country Analysis 2019 - 2023 and Forecast, 2024 - 2031 by Market Assessment (USD Mn), Yearly Growth Rate (%), and Market Presence (%)
      1. 12.3.1 Saudi Arabia
      2. 12.3.2 UAE
      3. 12.3.3 South Africa
      4. 12.3.4 Egypt
      5. 12.3.5 Israel
      6. 12.3.6 Rest of Middle East and Africa
    2. 12.4 Middle East and Africa Photocatalytic Material and Coating Market – Opportunity Analysis Index, By Material Type, By Application, and Country, 2024 - 2031
    3. 12.5 Regional Trends Analysis
    4. 12.6 Middle East and Africa Photocatalytic Material and Coating Market Research Report - Company Profiles
      1. 12.6.1 Company 1 (Saudi Arabia)
      2. 12.6.2 Company 2 (UAE)
      3. 12.6.3 Company 3 (UAE)
    13. Competition Landscape
    1. 13.1 Strategic Dashboard of Top Market Players
    2. 13.2 Company Profiles (Introduction, Financial Assessments, Portfolio of Offerings, Milestones and Achievements, Strategic Initiative, and SWOT Analysis)
      1. 13.2.1 Toto Ltd.
      2. 13.2.2 Kon Corporation
      3. 13.2.3 Mitsubishi Chemical Corporation
      4. 13.2.4 Sto SE & Co. KGaA
      5. 13.2.5 Advanced Materials
      6. 13.2.6 Saint‑Gobain
      7. 13.2.7 PPG Industries
      8. 13.2.8 PURETi Group LLC
      9. 13.2.9 Eco Active Solutions
      10. 13.2.10 Green Earth Nano Science
      11. 13.2.11 Kronos Worldwide Inc
      12. 13.2.12 Zhejiang Hexie Photocatalytic
  1. 14. Data Collection Method and Research Approach
  2. 15. Principal Presumptions and Acronyms