Request a Callback
Whatsapp:
EMAIL:

Insulating Varnish
Changxian Insulating Varnish: Impregnation Insulation Solutions Across All Thermal Classes
Changxian New Material focuses on the R&D and manufacturing of electronic chemicals. Our insulating varnish range covers four systems — waterborne, solvent-based, solventless and air-drying — with thermal classes from Class B (130°C), Class F (155°C) and Class H (180°C) up to Class C (above 180°C), widely used for the impregnation and coating insulation of motor stators, transformers, reactors, coils and PCBs.
Backed by our 40,000 m² production base in Zhuhai's Gaolan Port, in-house resin synthesis and 20,000 tons of annual capacity, we provide you with stable volume supply and factory-direct pricing for your production worldwide.
TDS, MSDS, RoHS, REACH, halogen-free and VOC test reports are available for all grades, and E962 is additionally covered by a UL certification file. Whether you need selection advice, process confirmation or sample validation, our engineers can support you through the entire process from evaluation to production adoption.

Conformal Coating
Changxian Conformal Coating: Multi-Chemistry PCB Protection Solutions
Changxian New Material focuses on the R&D and manufacturing of electronic chemicals. Our conformal coating range covers four systems — acrylic, polyurethane, water-based polyurethane and UV/moisture dual-cure — protecting your PCBs and electronic assemblies against moisture, dust, mold, salt spray and sulfurization, with wide use in consumer electronics, industrial controls, power supplies, automotive electronics and outdoor electronic equipment.
Backed by our 40,000 m² production base in Zhuhai's Gaolan Port, in-house resin synthesis and 20,000 tons of annual capacity, we provide you with stable volume supply and factory-direct pricing for your production worldwide.
TDS, MSDS, RoHS, REACH, halogen-free and VOC test reports, UL certification and US California Proposition 65 test reports are available. Whether you need selection advice, coating process confirmation or sample validation, our engineers can support you through the entire process from evaluation to production adoption.

UV Conformal Coating
Changxian UV Conformal Coating: Second-Cure PCB Protection Solutions
Changxian New Material's UV conformal coating uses a UV/moisture dual-cure system: exposed areas cure in seconds under UV light, while shadowed areas under components continue to cure completely through ambient moisture — meeting both the cycle-time demands of automated lines and the protection integrity of complex board geometries. The cured film is transparent and dense, protecting your PCBs against moisture, dust, mold, salt spray and sulfurization. With 100% solids and a solvent-free formulation free of VOC and hazardous air pollutants (HAP), it fits lines with strict environmental and odor requirements.
TDS, MSDS, RoHS, REACH and halogen-free test reports are available, along with UL certification and a US California Proposition 65 test report. Whether you need selection advice, UV curing parameter confirmation or sample validation, our engineers can support you through the entire process from evaluation to production adoption.

UV Adhesive
Changxian UV Adhesive: Second-Cure Bonding and Sealing Solutions for Electronics
Changxian New Material's UV adhesive is a one-component UV-curable adhesive that cures in 5–10 seconds under 365 nm or 395 nm UV LED exposure. Designed for automated dispensing, it helps your line shorten cycle times and reduce fixture occupancy. Take CXUV-0312A as an example: with excellent thixotropy, it stays in place after dispensing without flowing, and adheres well to PC, PVC, metal and other materials. After curing it forms a tough bond layer with excellent impact and vibration resistance, and is widely used for electronic component fixation, wire-harness reinforcement, plastic bonding, and the bonding and sealing of electronic devices.
TDS, MSDS, RoHS, REACH and US California Proposition 65 test reports are available. Whether you need selection advice, dispensing and curing parameter confirmation or sample validation, our engineers can support you through the entire process from evaluation to production adoption.
Industries

Industrial Motor
Industrial Motors: Changxian New Material insulating varnish covers thermal classes B to C, with low-emission, high-thermal-conductivity solventless systems and dedicated VPI resins for medium and large high-voltage motors — providing your motor windings with reliable insulation and mechanical fixation.

Transformers
Transformers: Changxian New Material insulating varnish covers thermal classes B to H — Class F solventless grades cure fast with high bond strength to reduce electromagnetic vibration and noise, while Class H grades are refrigerant resistant and suit both vacuum and atmospheric impregnation, for the impregnation insulation of EI-35 to EI-105 transformers, dry-type power transformers and reactors.

EV Motors
EV Motors: Changxian New Material insulating varnish provides Class H and above impregnation insulation for EV traction motors — the solventless E57-89H offers zero VOC and thermal conductivity ≥0.4 W/(m·K) to help dissipate heat and lower motor temperature rise, E57-180 withstands -40°C to 180°C thermal cycling, and refrigerant-resistant grades fit electric compressors and other refrigeration duty.

Electronic Components
Electronic Components: Changxian air-drying insulating varnish provides fast, room-temperature protection for PCBs, inductor coils and small electronic parts — E962 is touch-dry in 10–15 minutes at 25°C, does not block soldering, delivers dielectric strength ≥30 kV/mm and is covered by a UL certification file, while E962-788 offers a benzene-free eco formulation with electric strength ≥60 kV/mm, fitting computer parts and high-frequency transformers.

Electronic Components
Electronic Components: Changxian New Material conformal coating protects your PCBs and electronic assemblies against moisture, dust, mold, salt spray and sulfurization — acrylic systems dry fast to a transparent film with fluorescent tracer for easy inspection, polyurethane systems withstand harsher chemical and salt-spray environments, and UV/moisture dual-cure systems cure in seconds for automated lines, covering protection needs from consumer electronics to industrial controls.

Metal Surface Treatment
Metal Surface Protection: Changxian New Material conformal coating forms a dense, transparent film over metal surfaces, contacts and connectors on your assemblies, blocking moisture, salt spray and sulfur-bearing gases to prevent corrosion, oxidation and sulfurization tarnish. Available in acrylic, polyurethane and UV-curing systems for brushing, dipping and spraying processes — giving exposed metal parts the same reliable protection as the PCB itself.

UV Fast-Curing Applications
UV Fast-Curing Applications: Changxian New Material UV-curing products bring second-level curing to your automated lines — the UV conformal coating uses a UV/moisture dual-cure system that films over in seconds in exposed areas, with moisture cure completing shadowed areas, while the UV adhesive cures in 5–10 seconds under UV LED with excellent thixotropy and no post-dispensing flow. Both are solvent-free systems, helping you shorten cycle times, free up oven capacity and cut VOC emissions.

Electronic Components
Electronic Components: Changxian New Material UV adhesive provides second-level curing for bonding and fixing your electronic assemblies — one-component, curing in 5–10 seconds under UV LED, with excellent thixotropy that keeps the bead in place after dispensing. Ideal for electronic component fixation, wire-harness reinforcement, and bonding and sealing of plastics and metals, it forms a tough, impact- and vibration-resistant bond layer and fits automated dispensing lines.

Electronic Components
Optical Components: Changxian New Material UV adhesive cures to a transparent bond layer with a refractive index of 1.48 and water absorption below 4% (100°C, 2 h), curing in just 5–10 seconds under UV LED — well suited for bonding and fixing lenses and optical plastic parts on light-transmitting substrates such as PC. One-component with excellent thixotropy, it holds precise dispensing positions without flow. Since UV curing depends on substrate light transmission, we recommend validating transmission and cure on your real parts before adoption — our engineers can help confirm the process parameters.

Temporary Protective Coating
Temporary Protective Coating: Changxian New Material peelable temporary protective coating provides selective masking in wave soldering, reflow soldering and conformal coating processes, protecting gold fingers, contacts, connectors, pins and test points that must stay free of solder or coating. The coating cures fast, dispenses with good thixotropy and no flow, peels off cleanly by hand in one piece after processing with no residue, and does not corrode copper, gold or silver surfaces — helping you replace manual taping and improve line efficiency.
Latest Insights

From Our Blog
Here, we regularly share technical articles, selection guides, and practical application insights on insulating varnishes, conformal coatings, UV conformal coatings, and UV adhesives — helping you understand material properties and fine-tune your processes. If there is a topic you would like to explore further, you are always welcome to reach out — our engineers are glad to discuss it with you.

From Our Blog
Here, we regularly share technical articles, selection guides, and practical application insights on insulating varnishes, conformal coatings, UV conformal coatings, and UV adhesives — helping you understand material properties and fine-tune your processes. If there is a topic you would like to explore further, you are always welcome to reach out — our engineers are glad to discuss it with you.
Partners












