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MASTER BOND CONFORMAL COATING APPLICATION SELECTOR GUIDE

Selected Products Specially Formulated for High Performance Protection of Electronic Assemblies and Devices Partial Listing Only –— Other Grades Available

Conformal coatings are essential materials for enhancing the long term reliability and performance of electronic assemblies, particularly when exposed to harsh conditions such as high humidity, corrosive chemicals and extreme temperatures. Master Bond Inc. offers a complete line of conformal coatings that are easy to apply and provide superior protection for printed circuitry. These conformal coatings include very fast, one part, UV curing formulations, one and two part epoxies, one and two part silicones and a unique, cost effective latex system. These coatings can be applied by spraying, dipping, flow coating and other conventional processing techniques. Master Bond Inc. will be glad to recommend specific products for your particular application.

Two Component Epoxies —

Mix Ratio Viscosity Set-Up Time Cure Schedule Service Temp Master Bond Grade Color Code by weight RT, cps Minutes, RT Temp/Time, °F Range, °F Applications EP21LV-1 “A” clear “B” amber 100/100 4,000-6,000 60-90 24-48 hrs @ RT 1-2 hrs @ 200°F -60 to +250°F Excellent physical properties & chemical resistance profile. Offers convenient mix ratio and working life. Easy to apply by brushing or dip coating. EP21LSCL “A” clear “B” clear 100/60 1,000-1,500 30-35 24 hrs @ RT 1 hr @ 250°F -65 to +250°F Transparent, non-yellowing coating. Good electrical insulation properties. For optical, opto-electronic and display applications. Sprayable. EP30-4 “A” clear “B” clear 100/50 2,000 4-10 8-12 hrs @ RT -60 to +250°F Transparent. Very fast curing. Low viscosity. Excellent electrical insulation and non-yellowing properties. Applied by spraying or flow coating. EP30AO “A” off white “B” clear 100/10 15,000-20,000 30-40 24-36 hrs @ RT 1-2 hr @ 200°F -60 to +250°F Low viscosity, thermally conductive coating. Excellent electrical insulation properties. Superior dimensional stability. Applied by brushing or dip coating. EP30DP “A” light amber “B” clear 100/10 3,000-4,000 60-90 48 hrs @ RT 2-3 hrs @ 200°F 4°K to +250°F Toughened system. Offers repairability. Superb electrical insulation properties. Applied by brushing, dipping or spraying. EP30FL “A” amber “B” clear 100/25 2,000-3,000 25-30 24 hrs @ RT 1-2 hrs @ 200°F 4°K to +250°F Low viscosity. Flexible. For high performance coating. Applied by spraying or dipping. Superior thermal and mechanical shock resistance. Cryogenically serviceable. EP30HT “A” clear “B” clear 100/25 35,000-45,000 25-35 24 hrs @ RT 1-2 hrs @ 200°F -60 to +400°F High temperature resistant coating. Outstanding chemical resistance. Excellent optical transmission properties. Easily applied by brushing or dipping. EP30LV “A” clear “B” clear 100/20 200-300 35-40 24-36 hrs @ RT 1-2 hrs @ 200°F -60 to +250°F Low viscosity, clear. Excellent electrical insulation properties & chemical resistance. Applied by spraying or flow coating. EP37-3FLF “A” clear “B” clear 100/100 1,500-1,800 120-150 48-72 hrs @ RT 3 hrs @ 200°F 4°K to +250°F Highly flexible system. Outstanding resistance to thermal cycling. Offers repairability. Excellent optical properties. Applied by dipping or spraying. EP41S-4 “A” black “B” clear 100/25 3,000-4,000 15-20 24 hrs @ RT 1-2 hrs @ 200°F -60 to +300°F Special high security coating with outstanding resistance to organic solvents and acids. Easily applied by brushing, flow coating or dipping. EP62-1 “A” clear “B” tan 100/5 or 100/10 8,000-10,000 8-10 hrs 4-6 hrs @ 150°F or 2-3 hrs @ 200°F -60 to +300°F High temperature, high chemical resistance. Long working life at room temperature. Applied by brushing or dip coating. Requires heat cure at 150-200°F.