The Global Liquid No-Clean Flux Market was valued at USD 458.2 Million in 2025 and is projected to reach USD 798.5 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 7.3% during the forecast period (2025–2032). This robust growth is propelled by the relentless miniaturization of electronics, the global expansion of 5G infrastructure, and the automotive industry’s shift towards electric vehicles (EVs), all of which demand high-reliability soldering materials that eliminate post-assembly cleaning.

As electronics manufacturing evolves towards more compact, complex, and environmentally conscious production, the chemical formulations enabling this progress are critical. In this blog, we profile the Top 10 Companies in the Liquid No-Clean Flux Industry—a dynamic mix of global chemical giants and specialized materials innovators that are shaping the future of PCB assembly and semiconductor packaging.

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🔟 1. Indium Corporation

Headquarters: Clinton, New York, USA
Key Offering: NC-SMQ Series, Indium8.9, Ultra-Low Residue Formulations

Indium Corporation is a globally recognized pioneer and technology leader in advanced soldering materials, including liquid no-clean fluxes. The company’s products are integral to the assembly of high-reliability electronics across automotive, aerospace, telecom, and consumer applications. Their R&D focuses on developing fluxes for challenging new technologies like advanced semiconductor packaging and power electronics.

Innovation & Market Position:

• Launched NC-SMQ230F in 2024, optimized for high-speed jetting in automotive electronics

• Holds a strong intellectual property portfolio with over 1200 patents worldwide

• Provides extensive technical support and process validation services globally

Download FREE Sample Report: Global Liquid No-Clean Flux Market – View in Detailed Research Report

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9️⃣ 2. Henkel AG & Co. KGaA (Loctite)

Headquarters: Düsseldorf, Germany
Key Offering: Loctite GC 10, Multicore LF Series, Halogen-Free Fluxes

Henkel is a powerhouse in industrial adhesives and electronic materials, with its Loctite brand being synonymous with reliability. Its electronics materials business offers a comprehensive portfolio of liquid no-clean fluxes designed for wave, selective, and reflow soldering processes, serving the entire spectrum from high-volume consumer electronics to mission-critical automotive and medical devices.

Innovation & Market Position:

• Heavy investment in R&D for next-generation, sustainable flux chemistries compliant with evolving regulations

• Strong integrated supply chain offering flux, solder paste, and underfill materials as a complete system

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8️⃣ 3. MacDermid Alpha Electronics Solutions

Headquarters: Waterbury, Connecticut, USA
Key Offering: Alpha NR Series, REL22, Ultra Series Fluxes

Formed from the merger of MacDermid and Alpha, this company is a dominant force in electronic interconnect and assembly solutions. It specializes in high-performance fluxes for demanding applications, including extreme low-residue formulas for fine-pitch components and advanced packaging like fan-out wafer-level packaging (FOWLP).

Innovation & Market Position:

• Focus on fluxes for heterogeneous integration and 3D packaging technologies

• Global manufacturing and technical service network supporting major EMS providers and OEMs

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7️⃣ 4. AIM Solder

Headquarters: Montreal, Quebec, Canada
Key Offering: NC-559, RHX Series, Halogen-Free No-Clean Fluxes

AIM Solder is a leading global manufacturer of solder assembly materials with a strong reputation for quality and innovation. The company produces a wide range of liquid no-clean fluxes known for their consistent performance, low spatter, and excellent wetting characteristics across various soldering processes and alloys.

Innovation & Market Position:

• Committed to developing environmentally friendly, low-VOC formulations

• Operates advanced R&D labs and state-of-the-art manufacturing facilities across North America, Europe, and Asia

Download FREE Sample Report: Global Liquid No-Clean Flux Market – View in Detailed Research Report

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6️⃣ 5. Kester (ITW)

Headquarters: Des Plaines, Illinois, USA
Key Offering: 959T, 2331-ZX, C-series Liquid Fluxes

Kester, a division of Illinois Tool Works (ITW), is one of the oldest and most trusted names in soldering materials. Its liquid no-clean fluxes are engineered for reliability and are widely used in automotive, telecommunications, and industrial electronics. The brand is known for its rigorous quality control and consistency, which is critical for high-volume manufacturing.

Innovation & Market Position:

• Focus on robust formulations that perform reliably under a wide range of process conditions

• Leverages ITW’s proprietary technology and global industrial expertise

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5️⃣ 6. Superior Flux & Mfg. Co.

Headquarters: Cleveland, Ohio, USA
Key Offering: Superior #331, No. 2331, Specialty Low-Residue Formulations

Superior Flux is a prominent US-based manufacturer specializing in soldering and brazing fluxes. While serving diverse industries, its electronics division produces highly regarded liquid no-clean fluxes that offer excellent activation with minimal post-solder residue, making them suitable for both standard and demanding assembly applications.

Innovation & Market Position:

• Strong focus on customer-specific formulations and technical problem-solving

• Maintains significant market share in North America with a reputation for product quality and customer service

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4️⃣ 7. Shenmao Technology Inc.

Headquarters: Taoyuan City, Taiwan
Key Offering: SF-808 Series, SM Series No-Clean Liquid Fluxes

Shenmao Technology is a major Asian supplier of electronic soldering materials, playing a crucial role in the Asia-Pacific electronics manufacturing ecosystem. The company provides cost-effective, high-performance liquid no-clean fluxes tailored to the high-volume, fast-paced production environments typical in the region, serving leading EMS providers and consumer electronics brands.

Innovation & Market Position:

• Rapid development and deployment of fluxes compatible with new lead-free alloys and substrates

• Strategically located manufacturing in Taiwan and China to serve the Asian supply chain efficiently

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3️⃣ 8. FCT Solder

Headquarters: Greeley, Colorado, USA
Key Offering: Go-Flow Series, Ultra Low Residue (ULR) Liquid Fluxes

FCT Solder is a technology-driven company known for its innovative solder pastes and liquid fluxes. Its liquid no-clean fluxes are designed to address specific manufacturing challenges, such as voiding reduction and superior wetting on difficult-to-solder surfaces, appealing to manufacturers in the automotive, defense, and high-end computing sectors.

Innovation & Market Position:

• Specializes in engineering solutions for thermal management and high-power electronic assembly

• Strong niche player in the North American market with a focus on advanced applications

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2️⃣ 9. KOKI Company Ltd.

Headquarters: Saitama, Japan
Key Offering: Solderon FL Series, Halogen-Free No-Clean Fluxes

KOKI is a leading Japanese chemical company specializing in soldering materials, with a significant presence across Asia. The company is renowned for its high-purity materials and stringent quality standards, producing liquid no-clean fluxes that meet the exacting requirements of Japanese automotive and consumer electronics manufacturers.

Innovation & Market Position:

• Pioneering work in halogen-free and ultra-low ionic contamination flux technologies

• Close collaboration with leading Japanese OEMs to develop next-generation soldering materials

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1️⃣ 10. Qualitek International, Inc.

Headquarters: Addison, Illinois, USA
Key Offering: Qualicore Series, No-Clean Wave Soldering Fluxes

Qualitek International is a global supplier of soldering materials with a comprehensive product line. The company offers reliable liquid no-clean fluxes known for their stability and performance in wave and selective soldering applications. It serves a diverse customer base, from small contract manufacturers to large multinational corporations.

Innovation & Market Position:

• Provides a strong value proposition with a balance of performance and cost-effectiveness

• Maintains a global distribution network with a significant footprint in emerging manufacturing regions

Get Full Report Here: Global Liquid No-Clean Flux Market – View in Detailed Research Report

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🌍 Outlook: The Future of Soldering is Smarter, Cleaner, and More Specialized

The liquid no-clean flux market is at a pivotal juncture, driven by the dual forces of technological advancement and environmental responsibility. While traditional formulations continue to serve high-volume markets, the industry is rapidly innovating to meet the demands of next-generation electronics.

📈 Key Trends Shaping the Market:

• Ultra-Low Residue & Halogen-Free Mandates: Formulations that leave virtually invisible, inert residues are critical for miniaturization and meet tightening global environmental regulations (e.g., RoHS, REACH).

• Advanced Packaging Drivers: The rise of 3D ICs, Fan-Out Wafer-Level Packaging (FOWLP), and system-in-package (SiP) designs requires fluxes engineered for micron-scale features and new substrate materials.

• Automotive & EV Dominance: The explosion of electronic content in vehicles, especially EVs with sophisticated battery management and ADAS systems, is creating sustained, high-reliability demand.

• Supply Chain Regionalization: Geopolitical and logistical shifts are prompting flux manufacturers to establish production and technical support closer to key manufacturing hubs in Southeast Asia and India.

Get Full Report Here: Global Liquid No-Clean Flux Market – View in Detailed Research Report

The companies profiled above are not just supplying chemicals; they are providing the essential enabling technologies that allow the electronics industry to build smaller, faster, and more reliable devices that power our modern world.