ABchimie805UV LED High Viscosity Resin
Harmonization Code : 3208.20.90 | Paints and varnishes that are dispersed or dissolved in a non aqueous medium
Main features
- One Component
- Dual Cure (UV LED and Humidity)
- High Viscosity
Product Description
ABChimie® 805UV LED is a transparent urethane acrylic conformal coating designed to provide mechanical and environmental protection to electronic components and assemblies. It features dual-cure technology (UV and humidity), which allows for the complete crosslinking through the entire PCB, even in areas that may be covered by shadow. The coating also allows the PCB to be soldered through without producing toxic gases.
ABChimie 805UV LED exhibits a high viscosity formulation (>600cP), which makes it ideal for conformal coating applied with jetter or spray equipment. The increased viscosity also improves the edge coverage of the PCB. The coating cures rapidly under UV LED light, has low VOCs, and can be applied to high-speed manufacturing processes to increase productivity. ABChimmie 805UV LED is in full compliance with REACH and RoHS regulations.
Product Key Features
- Transparent, high edge coverage
- Dual Cure (UV + Humidity)
- Thin film thickness (30 - 300 microns)
- Excellent adhesion to PCBs
- Resists mold growth
- Fast UV LED cure for high volume production
- Low VOCs
- Jetter and spray application equipment
Applications
- Conformal coating for Printed circuit assemblies.
- Protection for plastic casings or covers.
- Protection for optically clear applications ex. lenses.
ABC-805UVLED
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TDS, SDS & Technical Documents
- ABchimie805 UV LED TDS
- ABchimie805UV LED
Technical Specifications
General Properties
Physical Properties
Electrical Properties
Thermal Properties
Additional Information
Frequently Asked Questions About ABChimie® 805 UV LED
What are typical applications for ABChimie® 805 UV LED?
ABChimie® 805 UV LED is a UV-curable conformal coating designed to protect printed circuit board assemblies (PCBs) and components in demanding manufacturing environments, including:
- Automotive electronics (e.g., control units, sensors)
- Industrial automation (e.g., motor drives, PLCs)
- Consumer electronics (e.g., smart devices, wearables)
- Other high-reliability electronic assemblies
Should I control the application environment?
ABChimie® 805 UV led should be applied at a minimum temperature of 16°C and a minimum relative humidity of 50% are recommended for coating application. The relative humidity of at least 50% is recommended for the second. Before applying, the printed circuit board must be clean, dry, and free of moisture. A stage in an oven at 80 °C for 4 hours is usually sufficient.
Learn More About ABChimie® 805 UV LED
ABChimie® 805 UV LED is a proven solution for engineers seeking fast, reliable protection of electronic assemblies in demanding manufacturing environments. This UV-curable conformal coating delivers rapid curing, excellent electrical insulation, and strong environmental resistance—ideal for applications in automotive electronics, industrial automation, consumer electronics, and other high-reliability assemblies.
Main Advantages of ABChimie 805 UV LED
ABchimie® 805 UV LED cures through a dual mechanism: UV exposure initiates rapid surface curing, while moisture ensures complete curing throughout the coating. This combination provides a uniform, durable protective layer with optimal adhesion and performance.
ABChimie® 805 UV LED provides excellent mechanical protection. This hardness helps resist scratches, abrasion, and minor impacts, ensuring long-term stability of encapsulated components.
ABchimie® 805 UV LED can be soldered through without generating highly toxic gases, ensuring safe processing. The coating maintains its integrity during soldering, allowing reliable connections while protecting the underlying components.
ABchimie® 805 UV LED provides excellent adhesion even in harsh environments. The coating forms a durable, long-lasting protective layer that resists moisture, chemicals, and temperature variations, ensuring reliable performance under demanding conditions.
How to Choose a Conformal Coating
Selecting the most suitable resin requires consideration of key factors:
- ✔ Norms & Compliance
- ✔ Environment / Exposure Conditions
- ✔ Repairability
- ✔ Electrical Performance
- ✔ Application Method
- ✔ Operating Temperature
Compliance You Can Trust ✅
ABChimie® 805 UV LED meets stringent industry standards, ensuring reliability and regulatory adherence for OEMs and contract manufacturers:
Curing Tip: ABChimie 805 UV LED cures with UV rays. It is crucial to use the appropriate equipment, as well as the recommended settings, to achieve the best properties of the resin.
Ref. Leistung / ref power ln % over wavelength in nm
Key Curing Properties for 805 UV
LED
395 nm
3000 mJ/cm2
Coating Thickness
100 μm
Distance of LED light - varnish
0-10 cm
Typical property values shown for reference only and should not be used as specifications.
How to Optimise for the Best Results
PCBs must be completely dry and thoroughly clean, with no dust, grease, wax, or other contaminants. Coating adhesion depends directly on the quality of the substrate. All flux residues must be fully removed, as they can become corrosive and lead to circuit malfunctions.
For cleaning equipment or removing uncured ABchimie 805 UV or UV LED varnish, we recommend using SND or ABclean solvent (no aqueous solutions).
It is essential to use the correct UV equipment (UV or LED) and follow the recommended settings to achieve the optimal properties of the cured conformal coating. These parameters influence both the coating’s reactivity and surface quality. ABchimie 805 UV and UV LED cure through UV exposure, with moisture contributing to a secondary curing mechanism.
Curing Mechanism: UV light creates the first cure, and after 7 days the moisture from the environment completes the curing process.
How does Moisture Cure Work?
During UV curing, exposure to UV light activates the photoinitiators in the conformal coating, triggering rapid polymerization of the resin. This results in an immediate surface cure and fast development of handling strength. UV curing provides precise, on-demand curing in exposed areas, enabling high-throughput processing while maintaining coating uniformity.
ABchimie 805 UV and ABchimie 805 UV LED use the same dual curing mechanism to ensure complete curing, including in shadowed or hard-to-reach areas. Initial curing is achieved by UV exposure, while a secondary moisture-activated cure completes the process at ambient temperature. For full curing in shaded areas, a minimum relative humidity of 50% is required for at least 7 days.
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