Top 10 Companies in the South Korea Plastics in Semiconductor Market (2026): Market Leaders Powering Global Innovation

MARKET INSIGHTS

The South Korea Plastics in Semiconductor market was valued at USD 322.1 million in 2024. By 2025 the segment is projected to reach USD 345.8 million, and it is expected to climb to USD 512.4 million by 2032, reflecting a compound annual growth rate of 6.8% over the forecast period.

High‑performance polymers such as polyetheretherketone (PEEK) and polytetrafluoroethylene (PTFE) form the backbone of semiconductor fabrication, providing the chemical resistance, thermal stability and electrical insulation demanded by advanced processes like chemical‑mechanical planarization (CMP) and next‑generation packaging.

The growth trajectory is underpinned by South Korea’s pre‑eminent position in the global semiconductor arena, with Samsung Electronics and SK Hynix driving substantial capital deployment into next‑generation nodes. The rapid expansion of 5G, artificial intelligence and Internet‑of‑Things ecosystems is further fueling demand for specialised plastic components. Recent material breakthroughs from domestic chemical leaders, notably LG Chem and Lotte Chemical, are tightening the supply chain for critical semiconductor‑grade polymers.

South Korea Plastics in Semiconductor Market – View in Detailed Research Report

Plastics in semiconductor manufacturing encompass a range of engineered polymers that serve as wafer carriers, CMP pads, photoresist components and other process‑tool elements. These materials must meet stringent purity thresholds, often below 1 part per billion, and sustain extreme temperatures and corrosive chemistries without compromising dimensional stability.

Top 10 Companies in the South Korea Plastics in Semiconductor Market (2026)

1. LG Chem

   Headquarters: Seoul, South Korea

   Key Offering: Advanced engineering plastics, including PEEK, PPS, and PTFE formulations tailored for CMP and wafer‑handling systems.

   LG Chem has positioned itself as the primary supplier of ultra‑pure polymers for high‑volume foundries. Its integrated R&D and manufacturing footprint enables rapid iteration of material properties to align with the tightening specifications of sub‑10 nm nodes.

   Strategic initiatives: Expansion of a dedicated semiconductor‑grade polymer plant in Gyeonggi Province, coupled with a partnership programme with Samsung Electronics to co‑develop next‑generation CMP additives.

   • Investment in low‑outgassing polymer lines
   • Collaboration with semiconductor foundries on process‑specific formulations
   • Focus on sustainability through recyclable polymer blends

2. Lotte Chemical

   Headquarters: Seoul, South Korea

   Key Offering: High‑temperature resins, polyimides and fluoropolymers for packaging and back‑end processes.

   Lotte Chemical leverages its strong chemical synthesis capabilities to deliver polymers that meet the rigorous outgassing and dielectric requirements of 3D IC packaging.

   Strategic initiatives: Development of a joint‑venture facility with SK Hynix to produce ultra‑pure polycarbonate for wafer carriers, reducing import dependence by 28%.

   • Co‑development of high‑purity polycarbonate
   • Investment in advanced purification technologies
   • Commitment to ISO 14001 and REACH compliance across the supply chain

3. Hyosung

   Headquarters: Seoul, South Korea

   Key Offering: Specialty polymers for chemical‑resistant tooling and packaging substrates.

   Hyosung’s focus on process‑specific polymers supports the growing demand for high‑temperature, low‑dielectric materials in advanced lithography.

   Strategic initiatives: Expansion of a dedicated research centre in Gyeonggi to accelerate polymer‑process integration.

   • Research into high‑k dielectric reduction
   • Collaboration with semiconductor equipment manufacturers
   • Investment in green chemistry initiatives

4. Hanwha Solutions

   Headquarters: Seoul, South Korea

   Key Offering: High‑performance engineering plastics for front‑end and back‑end applications.

   Hanwha Solutions delivers polymers that withstand the aggressive chemistries of EUV lithography and advanced packaging processes.

   Strategic initiatives: Development of a high‑purity polymer line in partnership with Samsung Electronics to supply wafer‑carrier materials.

   • Investment in low‑outgassing polymer manufacturing
   • Partnership with semiconductor foundries for process‑specific solutions
   • Focus on circular economy through recyclable polymer streams

5. SKC

   Headquarters: Seoul, South Korea

   Key Offering: Advanced materials division specialising in semiconductor‑grade polymers, including PPS and PTFE.

   SKC’s portfolio supports the thermal and chemical demands of memory and logic fabs.

   Strategic initiatives: Acquisition of a specialty polymer manufacturer to broaden the high‑temperature segment.

   • Expansion of PPS production capacity
   • Collaboration with SK Hynix on thermal management solutions
   • Investment in sustainable polymer research

6. Kumho Petrochemical

   Headquarters: Seoul, South Korea

   Key Offering: Polyethylene terephthalate (PET) and polycarbonate for packaging and protective components.

   Kumho Petrochemical supplies high‑clarity polymers that meet the optical and dielectric requirements of advanced packaging.

   Strategic initiatives: Development of a low‑dielectric PET blend for 2.5D interconnects.

   • Investment in polymer blending technology
   • Collaboration with semiconductor equipment manufacturers
   • Focus on reducing carbon footprint of polymer production

7. Dongjin Semichem Co., Ltd.

   Headquarters: Seoul, South Korea

   Key Offering: Photoresist formulations and CMP materials for advanced lithography.

   Dongjin Semichem specialises in process‑specific polymers that meet the stringent requirements of EUV and 3D packaging.

   Strategic initiatives: Expansion of a photoresist research facility in collaboration with Samsung Electronics.

   • Development of low‑outgassing photoresists
   • Partnership with semiconductor fabs for process optimisation
   • Investment in cleanroom‑compatible polymer processing

8. Samyang Corporation

   Headquarters: Seoul, South Korea

   Key Offering: High‑purity polymer solutions for chemical handling and slurry management.

   Samyang’s polymers are engineered to resist corrosion and abrasion in CMP and etching processes.

   Strategic initiatives: Development of a new generation of chemical‑resistant polymers for high‑temperature applications.

   • Collaboration with semiconductor equipment suppliers
   • Investment in advanced polymer synthesis
   • Focus on process‑level material integration

9. Soulbrain Co., Ltd.

   Headquarters: Seoul, South Korea

   Key Offering: Customised polymer blends for dielectric and thermal management.

   Soulbrain delivers tailored materials that balance dielectric performance with thermal conductivity for high‑density interconnects.

   Strategic initiatives: Partnership with semiconductor foundries to co‑develop application‑specific polymers.

   • Development of high‑thermal‑conductivity polymers
   • Collaboration with semiconductor equipment manufacturers
   • Investment in sustainable polymer chemistry

10. Wonik QnC Corporation

    Headquarters: Seoul, South Korea

    Key Offering: Specialty polymers for packaging and protection.

    Wonik QnC supplies polymers that provide robust barrier properties for advanced packaging solutions.

    Strategic initiatives: Expansion of a polymer blending line to support 3D IC packaging demands.

    • Investment in barrier‑enhanced polymer production
    • Collaboration with semiconductor equipment suppliers
    • Focus on reducing material waste through process optimisation

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Outlook

By 2026 the market is expected to reach approximately USD 360 million, and a further rise to USD 600 million is projected for 2034, as semiconductor production continues to scale in Korea and the global push for high‑performance chips persists. The confluence of 5G, AI, and automotive electronics is sustaining the demand for polymers that can withstand higher temperatures and tighter process tolerances.

Future Trends

• Integration of graphene‑reinforced polyimides to enhance thermal conductivity while preserving electrical insulation.
• Development of low‑outgassing, high‑purity polymers for EUV lithography and next‑generation EUV systems.
• Expansion of sustainable polymer streams, including bio‑based and recyclable options, driven by tightening environmental regulations.
• Adoption of hybrid polymer‑ceramic composites to meet the thermal management needs of high‑performance computing and AI accelerators.
• Increased collaboration between chemical manufacturers and semiconductor fabs to co‑design process‑specific materials, reducing time‑to‑market for new node technologies.