Table of Contents 1 Report Overview 1.1 Research Scope 1.2 Major Manufacturers Covered in This Report 1.3 Market Segment by Type 1.3.1 Global Core Materials for Composites Market Size Growth Rate by Type (2019-2025) 1.3.2 Foam Cores 1.3.3 Honeycombs 1.4 Market Segment by Application 1.4.1 Global Core Materials for Composites Market Share by Application (2019-2025) 1.4.2 Aerospace and Defense 1.4.3 Marine 1.4.4 Construction 1.4.5 Wind Energy 1.4.6 Automotive 1.4.7 Consumer Goods 1.4.8 Others 1.5 Study Objectives 1.6 Years Considered 2 Global Growth Trends 2.1 Production and Capacity Analysis 2.1.1 Global Core Materials for Composites Production Value 2014-2025 2.1.2 Global Core Materials for Composites Production 2014-2025 2.1.3 Global Core Materials for Composites Capacity 2014-2025 2.1.4 Global Core Materials for Composites Marketing Pricing and Trends 2.2 Key Producers Growth Rate (CAGR) 2019-2025 2.2.1 Global Core Materials for Composites Market Size CAGR of Key Regions 2.2.2 Global Core Materials for Composites Market Share of Key Regions 2.3 Industry Trends 2.3.1 Market Top Trends 2.3.2 Market Drivers 3 Market Share by Manufacturers 3.1 Capacity and Production by Manufacturers 3.1.1 Global Core Materials for Composites Capacity by Manufacturers 3.1.2 Global Core Materials for Composites Production by Manufacturers 3.2 Revenue by Manufacturers 3.2.1 Core Materials for Composites Revenue by Manufacturers (2014-2019) 3.2.2 Core Materials for Composites Revenue Share by Manufacturers (2014-2019) 3.2.3 Global Core Materials for Composites Market Concentration Ratio (CR5 and HHI) 3.3 Core Materials for Composites Price by Manufacturers 3.4 Key Manufacturers Core Materials for Composites Plants/Factories Distribution and Area Served 3.5 Date of Key Manufacturers Enter into Core Materials for Composites Market 3.6 Key Manufacturers Core Materials for Composites Product Offered 3.7 Mergers & Acquisitions, Expansion Plans 4 Market Size by Type 4.1 Production and Production Value for Each Type 4.1.1 Foam Cores Production and Production Value (2014-2019) 4.1.2 Honeycombs Production and Production Value (2014-2019) 4.2 Global Core Materials for Composites Production Market Share by Type 4.3 Global Core Materials for Composites Production Value Market Share by Type 4.4 Core Materials for Composites Ex-factory Price by Type 5 Market Size by Application 5.1 Overview 5.2 Global Core Materials for Composites Consumption by Application 6 Production by Regions 6.1 Global Core Materials for Composites Production (History Data) by Regions 2014-2019 6.2 Global Core Materials for Composites Production Value (History Data) by Regions 6.3 United States 6.3.1 United States Core Materials for Composites Production Growth Rate 2014-2019 6.3.2 United States Core Materials for Composites Production Value Growth Rate 2014-2019 6.3.3 Key Players in United States 6.3.4 United States Core Materials for Composites Import & Export 6.4 European Union 6.4.1 European Union Core Materials for Composites Production Growth Rate 2014-2019 6.4.2 European Union Core Materials for Composites Production Value Growth Rate 2014-2019 6.4.3 Key Players in European Union 6.4.4 European Union Core Materials for Composites Import & Export 6.5 China 6.5.1 China Core Materials for Composites Production Growth Rate 2014-2019 6.5.2 China Core Materials for Composites Production Value Growth Rate 2014-2019 6.5.3 Key Players in China 6.5.4 China Core Materials for Composites Import & Export 6.6 Rest of World 6.6.1 Japan 6.6.2 Korea 6.6.3 India 6.6.4 Southeast Asia 7 Core Materials for Composites Consumption by Regions 7.1 Global Core Materials for Composites Consumption (History Data) by Regions 7.2 United States 7.2.1 United States Core Materials for Composites Consumption by Type 7.2.2 United States Core Materials for Composites Consumption by Application 7.3 European Union 7.3.1 European Union Core Materials for Composites Consumption by Type 7.3.2 European Union Core Materials for Composites Consumption by Application 7.4 China 7.4.1 China Core Materials for Composites Consumption by Type 7.4.2 China Core Materials for Composites Consumption by Application 7.5 Rest of World 7.5.1 Rest of World Core Materials for Composites Consumption by Type 7.5.2 Rest of World Core Materials for Composites Consumption by Application 7.5.1 Japan 7.5.2 Korea 7.5.3 India 7.5.4 Southeast Asia 8 Company Profiles 8.1 Diab International 8.1.1 Diab International Company Details 8.1.2 Company Description and Business Overview 8.1.3 Production and Revenue of Core Materials for Composites 8.1.4 Core Materials for Composites Product Introduction 8.1.5 Diab International Recent Development 8.2 3A Composites 8.2.1 3A Composites Company Details 8.2.2 Company Description and Business Overview 8.2.3 Production and Revenue of Core Materials for Composites 8.2.4 Core Materials for Composites Product Introduction 8.2.5 3A Composites Recent Development 8.3 Gurit Holding 8.3.1 Gurit Holding Company Details 8.3.2 Company Description and Business Overview 8.3.3 Production and Revenue of Core Materials for Composites 8.3.4 Core Materials for Composites Product Introduction 8.3.5 Gurit Holding Recent Development 8.4 Armacell International 8.4.1 Armacell International Company Details 8.4.2 Company Description and Business Overview 8.4.3 Production and Revenue of Core Materials for Composites 8.4.4 Core Materials for Composites Product Introduction 8.4.5 Armacell International Recent Development 8.5 Hexcel 8.5.1 Hexcel Company Details 8.5.2 Company Description and Business Overview 8.5.3 Production and Revenue of Core Materials for Composites 8.5.4 Core Materials for Composites Product Introduction 8.5.5 Hexcel Recent Development 8.6 Euro-Composites 8.6.1 Euro-Composites Company Details 8.6.2 Company Description and Business Overview 8.6.3 Production and Revenue of Core Materials for Composites 8.6.4 Core Materials for Composites Product Introduction 8.6.5 Euro-Composites Recent Development 8.7 The Gill 8.7.1 The Gill Company Details 8.7.2 Company Description and Business Overview 8.7.3 Production and Revenue of Core Materials for Composites 8.7.4 Core Materials for Composites Product Introduction 8.7.5 The Gill Recent Development 8.8 Plascore 8.8.1 Plascore Company Details 8.8.2 Company Description and Business Overview 8.8.3 Production and Revenue of Core Materials for Composites 8.8.4 Core Materials for Composites Product Introduction 8.8.5 Plascore Recent Development 8.9 Evonik Industries 8.9.1 Evonik Industries Company Details 8.9.2 Company Description and Business Overview 8.9.3 Production and Revenue of Core Materials for Composites 8.9.4 Core Materials for Composites Product Introduction 8.9.5 Evonik Industries Recent Development 8.10 Saertex 8.10.1 Saertex Company Details 8.10.2 Company Description and Business Overview 8.10.3 Production and Revenue of Core Materials for Composites 8.10.4 Core Materials for Composites Product Introduction 8.10.5 Saertex Recent Development 9 Market Forecast 9.1 Global Market Size Forecast 9.1.1 Global Core Materials for Composites Capacity, Production Forecast 2019-2025 9.1.2 Global Core Materials for Composites Production Value Forecast 2019-2025 9.2 Market Forecast by Regions 9.2.1 Global Core Materials for Composites Production and Value Forecast by Regions 2019-2025 9.2.2 Global Core Materials for Composites Consumption Forecast by Regions 2019-2025 9.3 United States 9.3.1 Production and Value Forecast in United States 9.3.2 Consumption Forecast in United States 9.4 European Union 9.4.1 Production and Value Forecast in European Union 9.4.2 Consumption Forecast in European Union 9.5 China 9.5.1 Production and Value Forecast in China 9.5.2 Consumption Forecast in China 9.6 Rest of World 9.6.1 Japan 9.6.2 Korea 9.6.3 India 9.6.4 Southeast Asia 9.7 Forecast by Type 9.7.1 Global Core Materials for Composites Production Forecast by Type 9.7.2 Global Core Materials for Composites Production Value Forecast by Type 9.8 Consumption Forecast by Application 10 Value Chain and Sales Channels Analysis 10.1 Value Chain Analysis 10.2 Sales Channels Analysis 10.2.1 Core Materials for Composites Sales Channels 10.2.2 Core Materials for Composites Distributors 10.3 Core Materials for Composites Customers 11 Opportunities & Challenges, Threat and Affecting Factors 11.1 Market Opportunities 11.2 Market Challenges 11.3 Porter's Five Forces Analysis 12 Key Findings 13 Appendix 13.1 Research Methodology 13.1.1 Methodology/Research Approach 13.1.1.1 Research Programs/Design 13.1.1.2 Market Size Estimation 13.1.1.3 Market Breakdown and Data Triangulation 13.1.2 Data Source 13.1.2.1 Secondary Sources 13.1.2.2 Primary Sources 13.2 Author Details 13.3 Disclaimer

List of Tables and Figures Figure Core Materials for Composites Product Picture Table Core Materials for Composites Key Market Segments Table Major Manufacturers Core Materials for Composites Covered in This Report Table Global Core Materials for Composites Market Size Growth Rate by Type 2019-2025 (K MT) & (Million US$) Figure Global Core Materials for Composites Sales Market Shar by Type 2014-2025 Figure Foam Cores Figures Table Major Manufacturers of Foam Cores Figure Honeycombs Figures Table Major Manufacturers of Honeycombs Table Global Core Materials for Composites Market Share by Application 2019-2025 (K MT) Figure Aerospace and Defense Use Case Figure Marine Use Case Figure Construction Use Case Figure Wind Energy Use Case Figure Automotive Use Case Figure Consumer Goods Use Case Figure Others Use Case Figure Core Materials for Composites Report Years Considered Figure Global Core Materials for Composites Production Value Growth Rate 2014-2025 (Million US$) Figure Global Core Materials for Composites Production 2014-2025 (K MT) Figure Global Core Materials for Composites Capacity 2014-2025 (K MT) Table Key Manufacturers Core Materials for Composites Capacity (K MT) Figure Global Core Materials for Composites Price 2014-2025 (USD/MT) Table Global Core Materials for Composites Market Size of Key Regions (Million USD) & (K MT) Table Global Core Materials for Composites Growth Rate of Key Regions 2019-2025 (Million USD) Table Global Core Materials for Composites Market Share for of Regions 2019-2025 (K MT) Table Market Top Trends Table Global Core Materials for Composites Capacity by Manufacturers (2014-2019) (K MT) Table Global Core Materials for Composites Capacity Market Share by Manufacturers (2014-2019) Table Global Core Materials for Composites Production by Manufacturers (2014-2019) (K MT) Table Global Core Materials for Composites Production Share by Manufacturers (2014-2019) Figure Global Core Materials for Composites Production Share by Manufacturers in 2018 Table Core Materials for Composites Revenue by Manufacturers (2014-2019) (Million USD) Table Core Materials for Composites Revenue Share by Manufacturers (2014-2019) Figure Core Materials for Composites Value Share by Manufacturers in 2018 Table Global Core Materials for Composites Manufacturers Market Concentration Ratio (CR5 and HHI) Table Core Materials for Composites Price by Manufacturers 2014-2019 (USD/MT) Table Key Manufacturers Core Materials for Composites Plants/Factories Distribution Table Key Manufacturers Core Materials for Composites Area Served Table Date of Key Manufacturers Enter into Core Materials for Composites Market Table Key Manufacturers Core Materials for Composites Product Type Table Mergers & Acquisitions, Expansion Plans Table Global Foam Cores Production and Production Value (2014-2019) (K MT) & (Million US$) Table Global Honeycombs Production and Production Value (2014-2019) (K MT) & (Million US$) Table Global Core Materials for Composites Production by Type (2014-2019) (K MT) Table Global Core Materials for Composites Production Share by Type (2014-2019) Figure Global Core Materials for Composites Production Market Share by Type (2014-2019) Figure Global Core Materials for Composites Production Market Share by Type in 2018 Table Global Core Materials for Composites Production Value by Type (2014-2019) (Million US$) Table Global Core Materials for Composites Production Value Share by Type (2014-2019) Figure Global Core Materials for Composites Production Value Market Share by Type (2014-2019) Figure Global Core Materials for Composites Production Value Market Share by Type in 2018 Table Core Materials for Composites Ex-factory Price by Type 2014-2019 (USD/MT) Table Global Core Materials for Composites Consumption by Application (2014-2019) (K MT) Table Global Core Materials for Composites Consumption Share by Application (2014-2019) Figure Global Consumption Core Materials for Composites Market Share by Application (2014-2019) Table Global Core Materials for Composites Production by Regions 2014-2019 (K MT) Table Global Core Materials for Composites Production Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Production Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Production Market Share by Regions in 2018 Table Global Core Materials for Composites Production Value by Regions 2014-2019 (Million USD) Table Global Core Materials for Composites Production Value Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Production Value Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Production Value Market Share by Regions in 2018 Table United States Core Materials for Composites Production and Value 2014-2019 (K MT) & (Million USD) Figure United States Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure United States Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Table United States Core Materials for Composites Import & Export (K MT) Table European Union Core Materials for Composites Production and Value 2014-2019 (K MT) & (Million USD) Figure European Union Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure European Union Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Table European Union Core Materials for Composites Import & Export (K MT) Table China Core Materials for Composites Production and Value 2014-2019 (K MT) & (Million USD) Figure China Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure China Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Table China Core Materials for Composites Import & Export (K MT) Figure Japan Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure Japan Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Figure Korea Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure Korea Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Figure India Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure India Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Figure Southeast Asia Core Materials for Composites Production Growth Rate 2014-2019 (K MT) Figure Southeast Asia Core Materials for Composites Production Value Growth Rate 2014-2019 (Million USD) Table Global Core Materials for Composites Consumption by Regions 2014-2019 (K MT) Table Global Core Materials for Composites Consumption Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Consumption Market Share by Regions 2014-2019 Figure Global Core Materials for Composites Consumption Market Share by Regions in 2018 Figure United States Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Table United States Core Materials for Composites Consumption by Type (2014-2019) (K MT) Figure United States Core Materials for Composites Consumption Market Share by Type in 2019 Table United States Core Materials for Composites Consumption by Application (2014-2019) (K MT) Figure United States Core Materials for Composites Consumption Market Share by Application in 2019 Figure European Union Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Table European Union Core Materials for Composites Consumption by Type (2014-2019) (K MT) Figure European Union Core Materials for Composites Consumption Market Share by Type in 2019 Table European Union Core Materials for Composites Consumption by Application (2014-2019) (K MT) Figure European Union Core Materials for Composites Consumption Market Share by Application in 2019 Figure China Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Table China Core Materials for Composites Consumption by Type (2014-2019) (K MT) Figure China Core Materials for Composites Consumption Market Share by Type in 2019 Table China Core Materials for Composites Consumption by Application (2014-2019) (K MT) Figure China Core Materials for Composites Consumption Market Share by Application in 2019 Figure Rest of World Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Table Rest of World Core Materials for Composites Consumption by Type (2014-2019) (K MT) Figure Rest of World Core Materials for Composites Consumption Market Share by Type in 2019 Table Rest of World Core Materials for Composites Consumption by Application (2014-2019) (K MT) Figure Rest of World Core Materials for Composites Consumption Market Share by Application in 2019 Figure Japan Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Figure Korea Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Figure India Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Figure Southeast Asia Core Materials for Composites Consumption Growth Rate (2014-2019) (K MT) Table Diab International Company Details Table Diab International Description and Business Overview Table Diab International Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Diab International Core Materials for Composites Production Growth Rate (2014-2019) Table Diab International Core Materials for Composites Production Market Share in Global Market Table Diab International Recent Development Table 3A Composites Company Details Table 3A Composites Description and Business Overview Table 3A Composites Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table 3A Composites Core Materials for Composites Production Growth Rate (2014-2019) Table 3A Composites Core Materials for Composites Production Market Share in Global Market Table 3A Composites Recent Development Table Gurit Holding Company Details Table Gurit Holding Description and Business Overview Table Gurit Holding Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Gurit Holding Core Materials for Composites Production Growth Rate (2014-2019) Table Gurit Holding Core Materials for Composites Production Market Share in Global Market Table Gurit Holding Recent Development Table Armacell International Company Details Table Armacell International Description and Business Overview Table Armacell International Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Armacell International Core Materials for Composites Production Growth Rate (2014-2019) Table Armacell International Core Materials for Composites Production Market Share in Global Market Table Armacell International Recent Development Table Hexcel Company Details Table Hexcel Description and Business Overview Table Hexcel Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Hexcel Core Materials for Composites Production Growth Rate (2014-2019) Table Hexcel Core Materials for Composites Production Market Share in Global Market Table Hexcel Recent Development Table Euro-Composites Company Details Table Euro-Composites Description and Business Overview Table Euro-Composites Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Euro-Composites Core Materials for Composites Production Growth Rate (2014-2019) Table Euro-Composites Core Materials for Composites Production Market Share in Global Market Table Euro-Composites Recent Development Table The Gill Company Details Table The Gill Description and Business Overview Table The Gill Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table The Gill Core Materials for Composites Production Growth Rate (2014-2019) Table The Gill Core Materials for Composites Production Market Share in Global Market Table The Gill Recent Development Table Plascore Company Details Table Plascore Description and Business Overview Table Plascore Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Plascore Core Materials for Composites Production Growth Rate (2014-2019) Table Plascore Core Materials for Composites Production Market Share in Global Market Table Plascore Recent Development Table Evonik Industries Company Details Table Evonik Industries Description and Business Overview Table Evonik Industries Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Evonik Industries Core Materials for Composites Production Growth Rate (2014-2019) Table Evonik Industries Core Materials for Composites Production Market Share in Global Market Table Evonik Industries Recent Development Table Saertex Company Details Table Saertex Description and Business Overview Table Saertex Core Materials for Composites Production (K MT), Revenue (Million US$), Price (USD/MT) and Gross Margin (2014-2019) Table Saertex Core Materials for Composites Production Growth Rate (2014-2019) Table Saertex Core Materials for Composites Production Market Share in Global Market Table Saertex Recent Development Table Global Core Materials for Composites Capacity, Production Forecast 2019-2025 (K MT) Figure Global Core Materials for Composites Capacity Forecast 2019-2025 (K MT) Figure Global Core Materials for Composites Production Forecast 2019-2025 (K MT) Figure Global Core Materials for Composites Production Value Forecast 2019-2025 (Million US$) Table Global Core Materials for Composites Production Value Forecast 2019-2025 (Million US$) Table Global Core Materials for Composites Production Forecast by Regions 2019-2025 (K MT) Table Global Core Materials for Composites Production Market Share Forecast by Regions 2019-2025 Table Global Core Materials for Composites Production Value Forecast by Regions 2019-2025 (Million US$) Table Global Core Materials for Composites Consumption Forecast by Regions 2019-2025 (K MT) Table Global Core Materials for Composites Consumption Market Share Forecast by Regions 2019-2025 Table United States Core Materials for Composites Production and Production Value Forecast 2019-2025 (K MT) & (Million US$) Figure United States Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Table United States Core Materials for Composites Production Value Forecast 2019-2025 (Million US$) Figure United States Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Table European Union Core Materials for Composites Production and Production Value Forecast 2019-2025 (K MT) & (Million US$) Figure European Union Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Table European Union Core Materials for Composites Production Value Forecast 2019-2025 (Million US$) Figure European Union Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Table China Core Materials for Composites Production and Production Value Forecast 2019-2025 (K MT) & (Million US$) Figure China Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Table China Core Materials for Composites Production Value Forecast 2019-2025 (Million US$) Figure China Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Figure Japan Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Figure Japan Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Figure Korea Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Figure Korea Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Figure India Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Figure India Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Figure Southeast Asia Core Materials for Composites Production Growth Forecast 2019-2025 (K MT) Figure Southeast Asia Core Materials for Composites Consumption Forecast 2019-2025 (K MT) Table Global Core Materials for Composites Production Forecast by Type 2019-2025 (K MT) Figure Global Core Materials for Composites Production Forecast by Type 2019-2025 (K MT) Figure Global Core Materials for Composites Production Market Share Forecast by Type 2019-2025 Table Global Core Materials for Composites Production Value Forecast by Type 2019-2025 (Million US$) Figure Global Core Materials for Composites Production Value Forecast by Type 2019-2025 (Million US$) Figure Global Core Materials for Composites Production Value Market Share Forecast by Type 2019-2025 Table Global Core Materials for Composites Consumption Forecast by Application 2019-2025 (K MT) Figure Global Core Materials for Composites Consumption Forecast by Application 2019-2025 (K MT) Figure Global Core Materials for Composites Consumption Market Share Forecast by Application 2019-2025 Figure Core Materials for Composites Value Chain Table Core Materials for Composites Distributors List Table Core Materials for Composites Customers List Table Porter's Five Forces Analysis Table Research Programs/Design for This Report Figure Bottom-up and Top-down Approaches for This Report Figure Data Triangulation Table Key Data Information from Secondary Sources Table Key Data Information from Primary Sources

Diab International 3A Composites Gurit Holding Armacell International Hexcel Euro-Composites The Gill Plascore Evonik Industries Saertex