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Conformal Coating Material
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Conformal Coating Material
HumiSeal Acrylic Resins:
Acrylic resin conformal coatings are perhaps the most popular of all conformal coatings due to their ease of application, removal and forgiving nature. Acrylics dry rapidly, reaching optimum physical properties in minutes, are fungus resistant and provide long pot life. Additionally, Acrylics give off little or no heat during cure eliminating potential damage to heat-sensitive components. They do not shrink during cure and have good humidity resistance and exhibit low glass transition temperatures. Acrylic resin coatings are easy to apply and can be easily removed for rework using solvents. Spot removal of the coating to repair a solder joint or replace a component can be easily accomplished by localized solvent application. Although not encouraged, Acrylic coatings can be soldered through if preferred.
A low viscosity, fast air drying, single component, general purpose conformal coating for printed circuit assemblies. Particularly suited for impregnating coil and for coating ferrite cores.
Identical to 1B12, with the addition of an optical brightener that fluoresces under UV light to facilitate visual inspection.
1B15 A medium viscosity, fast air drying, single component, general purpose conformal coating for printed circuit assemblies where high then normal abrasion resistance is desired. This coating is also available in AEROSOL CANS.
A fast air drying, single component, acrylic coating that provides excellent moisture and environmental protection for printed circuit assemblies. The final film demonstrates excellent flexibility and is easily repairable. This coating is also available in AEROSOL CANS.
Acrylic coating formulated with exclusive constituents for capability with sensitive substrates.
A fast air drying, single component, acrylic coating that provides moisture and environmental protection
for printed circuit assemblies. Specially formulated without any optical brightener.
An acrylic coating characterized by a higher tack resistance at elevated temperatures not normally associated with thermoplastic materials. Has excellent electrical properties and flexibility. This coating is also available in AEROSOL CANS.
HumiSeal 1R32A-2 is a fast drying, single component acrylic coating providing excellent moisture and environmental protection for printed circuit assemblies. The final film demonstrates excellent flexibility and adhesion and is easily.
Conformal Coating Material
Humiseal Ltd., U.K.
HumiSeal is the world’s leading manufacturer of advanced protective coatings for printed circuit assemblies, Solar Panels, LED Lighting and electronic components. With a presence in more than 30 countries worldwide - Wherever you need HumiSeal, we’re there.
For over five decades HumiSeal has engineered long term reliability and performance into the electronic systems used by the world’s leading automotive manufacturers. Today, electronics manage critical automotive controls guiding power train, Safety, Comfort, entertainment and navigation systems. Many mechanical components, such hydraulic power steering and hydraulic power brakes, are being replaced with innovative electronics.
HumiSeal provides proven protection, reliability and performance for these critical automotive applications. HumiSeal protective coatings are specified worldwide to meet demanding requirement.
HumiSeal provides the widest selection of products to meet its customers’ tough electrical and environmental requirements. It manufactures over 60 coatings, thinners, strippers and masking materials and can also offer custom formulations to meet unusual specifications. HumiSeal products are qualified to MIL-I-46058C, IEC 60664-3, IEC 61086 and IPC-CC-830 standards
HumiSeal manufactured the first conformal coatings for PCB and today continues to lead with innovative new products.
Polyurethane coatings are available as either single or two-component formulations. Both formulations provide excellent humidity resistance and far greater chemical resistance than do Acrylic coatings. Single component Polyurethanes, while easy to apply and enjoying long pot life, sometimes require very lengthy cure cycles to achieve full or optimum cure. In some instances the cure cycle cycles can be accelerated by the judicious application of heat. Two component formulations can reach optimum cure properties in as little as one to three hours with the assistance of heat. However, when compared to single component formulations, two-component formulas can have a relatively short pot life sometimes making them difficult to work with. Removal of Polyurethane coatings can be difficult due to their very high resistance to solvents. The preferred method of removal is via burn through for spot repair, while the use of specially formulated Strippers enables the user to completely remove the coating from an entire PCB assembly.
A single component, durable and chemically resistant moisture curing urethane coating for printed circuit assemblies.
An oxygen curing, single component polyurethane coating widely used for printed board applications. Provides a heavy build per application and has excellent electrical properties. This coating is also available in AEROSOL CANS.
Identical to 1A27, with the addition of an optical brightener that fluoresces under UV light to facilitate visual inspection.
A single component, fast oxygen curing polyurethane coating well suited for general printed circuit board applications. This coating is also available in AEROSOL CANS.
A single component, fast moisture curing polyurethane coating formulated to provide an exceptionally long pot life.. Provides excellent moisture and environmental protection for general printed circuit board applications.
A two component, heat cured polyurethane coating providing excellent humidity protection and dielectric properties. Characterized by high solids and low viscosity, it offers easy application processing.
Silicones are extremely useful in high temperature environments due to their innate ability to withstand prolonged exposure to higher temperatures than other conformal coating chemistries can tolerate. This attribute has made the choice for automotive under hood applications. They are also capable of being applied in thicker films that are other coatings making them useful as a vibration dampening/isolation tool if the coated assembly is to be placed in a high vibration environment. Rework of Silicone coated assemblies can sometimes be difficult due to their chemical resistance and the fact that, unlike Acrylics and Polyurethanes, they do not vaporize with the application of heat.
A moisture curing, high build, 100% solids single component silicone coating providing excellent moisture and environmental protection for printed circuit assemblies. The final film demonstrates excellent flexibility and is repairable. The coating can be cured at room temperature, or elevated temperature plus humidity.
A one part, low viscosity, faster curing version of 1C49 that retains all the excellent protection and physical properties of the original. This coating can be cured at room temperature, or elevated temperature plus humidity.
A one part, 100% solids, fast thermal curing silicone coating. The low viscosity and open pot life of make it ideal for dipping and spraying.
A one part, fast thermal curing 100% solids silicone coating. The low viscosity and exceptionally long pot life of make it ideal for all common application methods.
A thermal curing, high build, 100% solids single component silicone coating providing excellent moisture and environmental protection for printed circuit assemblies. The final film demonstrates excellent flexibility and is repairable.
A self leveling, fast room temperature curing 1-part RTV silicone for selective encapsulation of hard to coat areas of printed circuit assemblies. The final film is flexible, tough and repairable. The coating can be cured at room temperature, or elevated temperature plus humidity.
Water Based Products
Water based products
Humiseal’s specialty products are unique formulations that may enable the user to achieve specific protection/environmental goals not offered by “traditional” coatings. Several of the specialty products are qualified to the industries highest standards; mil-i-46058c, ipc-cc-830 and have ul recognition. Several of these products are based upon the standard chemistries of acrylic, polyurethane and silicone resins while others are very unique and offered only by Humiseal.
these coatings are also available in aerosol packages:
UV Curable Products
HumiSeal’s new UV40 is an exciting innovation in UV curable chemistry that provides performance superiority over traditional UV curable products. New UV40 not only maintains the speed of cure and environment-friendly nature that is popular in today’s electronic fabrication, it also offers advantages not found in existing UV curable products. Innovative HumiSeal UV40 provides:
• Greater adhesion to a wide range of commonly used solder resists
• Higher IR (insulation resistance) and MIR (moisture insulation resistance)
• Resistance to a wider range of solvents
• Greater flexibility at a wide range of temperatures
• Does not become brittle at low temperatures
• And perhaps the greatest improvement of all
A truly reliable secondary (shadow area) moisture activated cure mechanism!.
To,SS Group Of Companies