South Korea Positive Photoresist Thinner Market to Reach USD 62.1 Million by 2032 at 5.5% CAGR

According to 24 Chemical Research, the South Korea Positive Photoresist Thinner Market was valued at USD 41.2 million in 2024 and is projected to grow from USD 43.5 million in 2025 to USD 62.1 million by 2032, registering a CAGR of 5.5% during the forecast period. Positive photoresist thinners are specialized solvents used to adjust the viscosity and thickness of photoresist materials during semiconductor manufacturing, supporting precise application properties in advanced lithography processes.

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What’s Driving the Market

• Expansion of the Semiconductor Sector: South Korea's strong semiconductor manufacturing base, led by major companies such as Samsung Electronics and SK hynix, is a primary market driver. The push toward smaller process nodes, including 3nm and below, increases demand for high-performance, high-purity thinners capable of supporting precise patterning.

• Government-Led Technological Advancement: South Korea's semiconductor strategies, including the K-Semiconductor Belt initiative, support domestic development of materials, parts and equipment. Investment in R&D and supply-chain self-sufficiency encourages development of high-specification photoresist thinner products.

• Advanced Lithography and Display Manufacturing: The continued development of EUV and ArF lithography, together with OLED and high-resolution LCD manufacturing, is creating additional demand for photoresist thinners. Advanced packaging technologies using thicker photoresists are also opening new application opportunities.

Chemical Industry Pulse

South Korea's advanced electronics manufacturing ecosystem is creating a specialized demand environment for high-purity process chemicals. As semiconductor manufacturers pursue increasingly complex architectures and smaller process nodes, chemical suppliers face growing requirements for consistency, purity and process compatibility. This is also encouraging greater collaboration between semiconductor manufacturers and domestic specialty-chemical companies. At the same time, environmental compliance is becoming an important consideration for chemical formulation and manufacturing. Suppliers are developing low-odor and lower-VOC alternatives while maintaining the performance characteristics required for advanced lithography. The broader chemical industry is therefore balancing three requirements: high technical performance, reliable domestic supply and improved environmental characteristics. These priorities are particularly relevant in semiconductor materials, where even small variations in chemical properties can affect manufacturing processes and product yields.

Segmentation Highlights

• By Type: Non-concentrate and Concentrate. Concentrate formulations are described as demonstrating notable traction because of efficiency, reduced material consumption and adaptability to different photoresist chemistries.

• By Application: Semiconductor, LCD, Solar and Others. Semiconductor applications represent the core market driver due to South Korea's major memory-chip and logic-device manufacturing base.

• By End User: Integrated Device Manufacturers (IDMs), Foundries and Display Panel Makers. IDMs are identified as the predominant end users.

• By Formulation Technology: Standard Solvent-Based, Low-Odor / Eco-Friendly and High-Purity Specialty. Low-odor and eco-friendly formulations are highlighted as an important growth area.

• By Product Grade: Industrial Grade, Electronic Grade and Ultra-High Purity Grade. Ultra-high-purity products are increasingly important for advanced semiconductor nodes and applications such as EUV lithography.

Regional Outlook

• Gyeonggi Province is identified as the leading regional market. Major semiconductor manufacturing clusters associated with Samsung Electronics and SK hynix create substantial demand for high-purity photoresist thinners.

• Chungcheong Province represents an important secondary hub, supported by semiconductor production clusters and expanding chemical-supplier activity.

• Gyeongsang Province has more specialized demand associated particularly with display-panel manufacturing, including LCD and emerging OLED applications.

• Jeolla Province and other regions represent smaller and more fragmented markets, with demand coming from electronics-component manufacturers, solar facilities and research institutes.

• Daejeon’s Daedeok Innopolis represents a specialized R&D market for prototyping and process-development applications. The source does not provide percentage market shares for these regions.

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Competitive Landscape & Key Players

The South Korea Positive Photoresist Thinner Market features a combination of major semiconductor companies, chemical manufacturers and specialized suppliers. The report profiles Samsung Electronics Co., Ltd., LG Chem Ltd., SK hynix Inc., Songwon Industrial Co., Ltd., Dongjin Semichem Co., Ltd., Soulbrain Co., Ltd., Miwon Specialty Chemical Co. Ltd., Eternal Materials Co., Ltd., Kantek Inc., and KUMHO P&B CHEMICALS., INC. Competition is centered on product purity, chemical consistency, advanced lithography compatibility, R&D capabilities, customized formulations and reliable supply. The market also benefits from close proximity between major semiconductor fabs and domestic chemical suppliers.

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FAQ

What is the current market size of the South Korea Positive Photoresist Thinner Market?
The market was valued at USD 43.5 million in 2025 and is expected to reach USD 62.1 million by 2032, growing at a CAGR of 5.5%.

What are the major applications of positive photoresist thinner?
The major applications identified in the report are semiconductor, LCD, solar and other applications, with semiconductor manufacturing representing the core application.

What are the key growth drivers?
Key drivers include semiconductor and display manufacturing growth, advanced lithography requirements, government support for domestic semiconductor materials and increasing use of thick-film photoresists in advanced packaging.

Report Scope

The study provides detailed analysis of the South Korea Positive Photoresist Thinner Market, covering market development, competitive conditions and future demand. The research includes sales, sales volume and revenue forecasts, segmentation by type and application, regional market analysis, manufacturer sales and revenue, manufacturer market shares, selling prices, competitive concentration analysis and company-level profiles. The study also examines production capacity, sales performance, pricing, gross margins and recent company developments. Additional coverage includes production methods, cost-structure analysis, key end users, industry news, mergers and acquisitions, planned projects, sales and consumption, imports and exports, regional trade balances, demand by application and type, and price analysis by product type. The report also provides company profiles and product information for major participants in the market.

View the complete report: https://www.24chemicalresearch.com/reports/279152/south-korea-positive-photoresist-thinner-market
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About 24 Chemical Research

24 Chemical Research provides market intelligence and research covering chemicals, materials and related industrial markets. Its reports provide market sizing, segmentation, competitive analysis, regional insights, industry trends and forecasts designed to support strategic business and investment decisions.

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