Conformal Coating Series
Moisture Proof Coating Series
Flux Series
Cleaning Agent Series
Anti-Corrosive Paint
01
UV (Mercury Lamp) Dual-Cure Conformal Coating
The modified polyurethane acrylate coating product, which is one-component, high-solid-content, and
-Modified polyurethane acrylate product with dual curing by mercury lamp UV and moisture, solving the issue that shadowed areas cannot be fully cured with single UV curing.
-Fast curing in 3–5 seconds, greatly improving production efficiency.
-Eco-friendly formulation with zero VOC and no organic solvent emissions.
-Excellent edge coverage and wettability, easy to apply and rework.
-Operating temperature range: -65 °C to 130 °C.
-Outstanding adhesion, effectively resistant to salt spray, weak acid, alkali and other corrosive substances.
-Excellent weather resistance and thermal shock resistance for reliable product protection.
-UL certified in the United States.
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01
UV (LED) Dual-Cure Conformal Coating
A modified polyurethane acrylate film product with single component, high solid content, LED cold li
# UV (LED) Dual-Cure Conformal Coating
- Modified polyurethane acrylate with dual curing by LED and moisture, solving the problem that shadowed areas cannot be cured by single LED curing.
- Cured by LED cold light source, more energy-efficient than conventional UV curing.
- Fast curing in 3–5 seconds, effectively improving production efficiency.
- Eco-friendly material, zero VOC, no organic solvent emissions, safe and environmentally friendly.
- Excellent edge coverage and wettability, good processability and easy rework.
- Operating temperature range: -65 °C to 130 °C.
- Outstanding adhesion, effectively resistant to salt spray, weak acid, alkali and other corrosive media.
- Excellent weather resistance and thermal shock resistance, providing reliable protection.
- UL certified in the United States.
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01
Rubber Conformal Coating
Composed mainly of special synthetic rubber resin and supplemented with special multi-component copo
-Made with high-performance modified rubber resin, featuring ultra-low water absorption and excellent moisture-proof performance.
-Eco-friendly formulation, free of toxic and harmful substances such as benzene, toluene, xylene and acetone, resulting in extremely low odor.
-Fast curing at room temperature, ensuring high production efficiency.
-Flexible coating film that effectively relieves stress between components and allows easy rework.
-Operating temperature range: -65 °C to 130 °C.
-Strong adhesion, effectively resistant to salt spray, weak acid, alkali and other corrosive media.
-UL certified in the United States.
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01
Modified Polyurethane Conformal Coating
Composed mainly of special synthetic resin and supplemented with special multi-component copolymer m
- Based on modified polyurethane, combined with special multi-component copolymer modified polymer resin.
- Eco-friendly formulation, free of harmful substances such as benzene, toluene, xylene and acetone, resulting in extremely low odor.
- Operating temperature range: -65 °C to 130 °C.
- Flexible coating film that effectively relieves stress between components.
- Strong adhesion, effectively resistant to salt spray, weak acid, alkali and other corrosive media.
- Excellent weather resistance and thermal shock resistance, providing reliable product protection.
- UL certified in the United States, an ideal alternative to imported products.
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01
SK-H series moisture-proof coating
A single component, low viscosity, self leveling, room temperature fast curing organic silicon coati
-Used for moisture-proof insulation protection of various household appliances, automotive electronics, industrial control equipment and other electronic control boards.
-Self leveling, single component silicone material, easy to apply.
-Room temperature cured silicone elastomer, heating can accelerate curing.
-Working temperature: -65 ℃~200 ℃.
-Has excellent vibration damping ability and easy repairability.
-Non corrosive, moisture condensing, room temperature curing, heat accelerated curing.
-Has good dielectric properties and meets the requirements of MIL-I-46058C and MIL-A-46146.
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01
Leave-in flux
The product is made of imported film-forming agent, high-efficiency active agent and organic activat
-High insulation resistance, eco-friendly lead-free no-clean flux, meeting IPC-TM-650 requirements.
-Low residue on PCB after soldering, dry and non-sticky surface, good versatility.
-Non-corrosive to substrates and components before and after soldering, no cleaning required.
-Passes strict copper mirror test, copper plate corrosion test and surface insulation resistance test, safe and reliable.
-High temperature resistance, enabling lead-free solder to wet and spread rapidly with full solder joints and good penetration, effectively preventing short circuits.
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01
Halogen-free flux
The product is made of imported film-forming agents, high-efficiency activators, and organic activat
-High insulation resistance, eco-friendly lead-free no-clean flux, compliant with IPC-TM-650.
-Low residue on PCB after soldering, dry and non-sticky surface, good versatility.
-Non-corrosive to substrates and components before and after soldering, no cleaning required.
-Passes strict copper mirror test, copper plate corrosion test and surface insulation resistance test, safe and reliable.
-High temperature resistance, enabling lead-free solder to wet and spread rapidly with full joints and excellent solder penetration, effectively preventing short circuits.
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01
Solvent-based cleaning agents
The product adopts special blending and is suitable for steel mesh cleaning, fixture (furnace) clean
-The waste liquid can be reused after distillation recovery, which not only reduces cost but also prevents environmental pollution.
-Fast drying and high cleaning efficiency.
-Excellent ability to remove rosin, grease, dirt and other contaminants.
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01
Environmentally friendly cleaning agent
The product complies with the volatile organic compound content limit of GB38508-2020 and can effect
-The waste liquid can be reused after distillation recovery, which not only reduces cost but also prevents environmental pollution.
-Fast drying and high cleaning efficiency.
-Excellent ability to remove rosin, grease, dirt and other contaminants.
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01
Anti-corrosive Paint
This anti rust paint is mainly composed of a special synthetic resin and a special multi-component c
-This series of anti rust paint has the characteristics of fast drying, low odor, and environmental protection.
-Long term stable heat-resistant temperature -60 ℃~125 ℃.
-Excellent water and corrosion resistance, capable of providing excellent moisture and rust prevention effects.
-It has excellent protective properties for surfaces of metals such as copper and iron, as well as non-ferrous metals.
-Excellent adhesion can effectively prevent corrosion from salt spray, weak acid, alkali, etc.
-Strong weather resistance and salt spray resistance test for over 1000 hours, effectively protecting the surface of the product.
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01
Water-based Antirust Paint
This series of water-based anti rust paint has good permeability, chemical resistance, and wetting p
-Water based system, non-toxic, non irritating, non flammable, safe and environmentally friendly.
-Good permeability, chemical resistance, wettability, and good construction process.
-Fast curing after baking at 130 °C, improving production efficiency.
-Excellent water resistance, oil resistance, moisture resistance, rust prevention and corrosion resistance.
-Strong adhesion, effectively resistant to salt spray, weak acid, alkali and other corrosive substances.
-High weather resistance, passes salt spray test for more than 1000 hours, effectively protecting product surfaces.
-Non-flammable and non-explosive, safe for transportation, classified as non-dangerous goods.
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Conformal Coating Series
Moisture Proof Coating Series
Flux Series
Cleaning Agent Series
Anti-Corrosive Paint
Solution
New energy solutions
Provide low dielectric constant three proof adhesive (patented product) to ensure lossless transmission of 5G signals while protecting the circuit. Combined with low residual flux, it meets the high-density soldering and strict reliability requirements of base station equipment
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Automotive Electronic Solutions
Adopting two-component polyurethane three proof adhesive, it can withstand extreme temperatures of -40 ℃~125 ℃, has excellent vibration resistance, and is matched with lead-free and non cleaning soldering flux to meet the requirements of new energy battery management systems (BMS) High reliability requirements
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Industrial control precision instrument solution
Industrial control precision instruments are widely used in scenarios such as intelligent manufacturing, industrial automation, power measurement and control, metallurgy and chemical engineering, with their core PCB The board, sensing module, and precision drive circuit have long faced multiple environmental threats such as wet and hot condensation, dust and oil pollution, salt spray corrosion, mechanical vibration, electrostatic surge, chemical medium erosion, and high and low temperature cycling aging in industrial sites. In addition, the instrument itself has dense spacing patches, small components, ceramics, etc /Metal/plastic multi substrate compatibility, some components cannot be baked at high temperatures, and other process characteristics.
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Solutions for the Home Appliance Industry
Using water-based three proof adhesive instead of traditional solvent based products reduces VOC emissions by 60%, meets environmental regulations, and reduces costs. Combined with highly active solder paste, it improves the strength and reliability of solder joints and adapts to automated production lines
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New energy solutions
Automotive Electronic Solutions
Industrial control precision instrument solution
Solutions for the Home Appliance Industry
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About Us
Specializing in welding technology and conformal coating.
1998
Company incorporation
25000
Land occupation of production base
1200T/month
Maximum monthly production capacity
60 +
Complete set of automated production equipment
SUNHOT
Guangdong Sunhot Chemical New Materials Co., Ltd. specializes in the production of electronic chemicals. Its products are widely used in computers, communications, household appliances, precision instruments, aerospace, automotive and high-speed rail, military, new energy and other industries. Our company was initially founded in 1998. To meet the booming development of the microelectronics industry in Chinese Mainland and the market demand for electronic chemical products, it established a production base in Jiangmen City, Guangdong Province in 2000. As the company continued to grow, its Nanxiong chemical production base was completed and put into operation in 2014. It covers an area of 17 mu (approximately 11,333 square meters), with a total investment of over 50 million yuan and a registered capital of 20 million yuan.The company has been recognized as a National High-Tech Enterprise and a National Specialized, Sophisticated, Unique and New "Little Giant" Enterprise. It has also been recognized as a Guangdong Science and Technology Small and Medium-sized Enterprise, a Guangdong Specialized, Sophisticated, Unique and New Small and Medium-sized Enterprise, and a Shaoguan Specialized, Sophisticated, Unique and New Enterprise, and has been listed in the Shaoguan Multiplication Plan.From 2016 to 2024, the company participated in the China Innovation and Entrepreneurship Competition consecutively and won the Excellence Award in the New Materials Industry for Growth Enterprises.It has established the Guangdong Engineering Technology Research Center for Environmentally Friendly Precision Welding and Three-Proof Protection New Materials, the Guangdong Provincial Doctoral Workstation, and the Shaoguan Engineering Technology Research and Development Center for Environmentally Friendly Electronic Conformal Coatings.Leaning on its strengths in information, technology and new material supply, the company has gathered a group of outstanding technical and management talents from across the country. Adhering to the tenet of “Technology Leadership, Quality Orientation, and Integrity Focus”, it has passed the following international system certifications: ISO9001-2015, ISO14001-2015, ISO45001, IATF16949, as well as UL product certification (US) and Five-Star Brand Certification.From raw material procurement to finished product delivery, every procedure is under strict control, enabling our products to reach international advanced levels. We have become the preferred brand in the precision electronics industry for replacing electronic chemicals imported from Germany, the United States and Japan, and have established long-term in-depth cooperation with many world-renowned enterprises. Looking to the future, Sunhot will take "Building the No.1 Brand in the Industry" as its mission. We will continuously accelerate product upgrading and technological innovation, vigorously promote environment-friendly precision electronic chemicals, and wholeheartedly provide the driving force for green industry.
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News & Information
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Company News
2025-12-09
What are the main functions of conformal coating?
The core function of conformal coating is to provide all-round protection for electronic components and PCB boards, ensuring the reliability of equipment in complex environments, including:Anti-moisture/anti-mold: forms a dense protective film to isolate water vapor and condensation, avoid circuit s
Company News
2025-12-09
What Factors Affect the Light Energy Received by the Conformal Coating ?
There are three core factors that affect the reception of light energy by glues, especially light-curable glues:Light source characteristics: the higher the power of the light source, the longer the irradiation time, the stronger the light energy; The wavelength needs to match the glue photosensitiv
Company News
2025-12-09
Are conformal coating and conformal paint the same thing?
The essence of the two in the industry belongs to the same type of electronic protective materials, only the names are different, and the core functions are completely the same - both form a dense protective film on the surface of electronic components and PCB boards to achieve the effect of anti-mo
Company News
2025-12-09
What are the types of conformal coatings ?
According to the composition and curing characteristics, conformal paints are mainly divided into four categories: (1) Acrylate type: cost-effective, fast curing, easy to spray and construction, good repairability, suitable for general electronic equipment protection; (2) Silicone type: high and low
Company News
2025-12-09
What are the precautions for using thermal silicone pads?
The core precautions focus on 5 points: (1) Clean the surface: Before use, use anhydrous ethanol and other cleaning agents to remove oil and dust on the surface of the heat dissipation substrate (chip, heat sink) to avoid impurities affecting the thermal conductivity efficiency; (2) Control the thic
Industry News
2025-12-09
Protection Upgrade in Electronic Manufacturing Conformal Coating Series Becomes Core Guarantee Adapt
With the development of the electronics manufacturing industry in the direction of miniaturization, high integration and outdoor, the environmental challenges faced by electronic components are becoming increasingly complex, and the conformal adhesive series products have become the key materials to
Industry News
2025-12-09
Growing Moisture Protection Needs Drive Multi-Industry Upgrade via Innovative Moisture-Proof Coating
Global warming has led to an increase in extreme rainfall, coupled with the rapid expansion of outdoor electronics, marine engineering, underground facilities and other fields, the demand for equipment protection in humid environments continues to surge. Moisture is one of the main causes of the fai
Industry News
2025-12-09
Tighter Environmental Policies Drive Green Transformation of Anti-Rust Paint Series; Long-Lasting Pr
Driven by the increasingly strict global environmental protection policy and the demand for long-term industrial equipment, the anti-rust paint series products are accelerating the transformation to green and long-lasting, and low-VOC, water-based, and high-corrosion resistance products have become
Industry News
2025-12-09
Refined Development of Electronic Soldering Iterative Upgrade of Flux Series Adapting to High-Precis
As the core auxiliary material of electronic soldering, flux series products have achieved a breakthrough in the performance of "low residue, high activity, and no corrosion" through technological iterative upgrading, and accurately adapt to the soldering needs of micro components and high
Industry News
2025-12-09
Green Transformation of Industrial Cleaning Innovative Upgrading of Cleaner Series High Efficiency &
Driven by the dual drive of the "double carbon" goal and environmental protection policies, the industrial cleaning field is accelerating the farewell to traditional solvent-based cleaning agents, and the new cleaning agent series products with "efficient decontamination, environmenta