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MASTER BOND POTTING & ENCAPSULATING APPLICATION SELECTOR GUIDE

Selected Master Bond Products Specially Formulated for Potting and Encapsulating Applications Partial Listing Only –— Other Grades Available Two Component Epoxies —

Master Bond Mix Ratio Mixed Viscosity Set-Up Time Cure Schedule Service Temp Grade by weight Color Code RT, cps Minutes, RT Temp/Time, °F Range, °F Applications EP21LV 100/100 “A” clear “B” amber 6,000-8,000 60-90 24-48 hrs @ RT 1-2 hrs @ 200°F -60 to +250°F Versatile, easy to use system. Excellent physical properties & chemical resistance. Meets food grade & USP Class VI specs. EP21AOLV 100/100 “A” gray “B” white 40,000-50,000 75-90 24-48 hrs @ RT 2-3 hrs @ 200°F -60 to +250°F Thermally conductive, electrically isolating. Convenient handling. Good dimensional stability and low shrinkage. EP21FRLVSP 100/100 “A” red “B” white 25,000-30,000 30-60 24-48 hrs @ RT 2 hrs @ 200F -60 to +250°F Flame resistant. UL94 V-0 certified system. Excellent physical and electrical insulation properties. Superb chemical resistance. EP29LP 100/50 “A” clear “B” clear 800 > 6 hrs 5-7 days @ RT 4-6 hrs @ 200°F -60 to +250°F Low exotherm & long working life. Transparent. Low viscosity. Suitable for large castings. Very high tensile strength. EP29LPSP 100/65 “A” clear “B” translucent 700 > 6 hrs 5-7 days @ RT 8-12 hrs @ 150°F 4°K to +250°F Special version of EP29LP. Resists cryogenic temperatures & shocks. NASA low outgassing approved. Transparent. EP30 100/25 “A” clear “B” clear 400-500 25-30 18-24 hrs @ RT 1-2 hrs @ 200°F -60 to +250°F Low viscosity transparent system. Exceptionally low shrinkage. Superb physical strength and electrical insulation properties. EP30AO 100/10 “A” off white “B” clear 15,000-20,000 30-40 24-36 hrs @ RT 1-2 hr @ 200°F -60 to +250°F Thermally conductive, electrically isolating. Low viscosity. Good dimensional stability. Very low shrinkage. EP30AN 100/10 “A” gray “B” clear 20,000-30,000 30-40 24-36 hrs @ RT 1-2 hrs @ 200°F -60 to +250°F Higher thermally conductive version of EP30AO. Special NASA approved low outgassing version also available (EP30AN-1). EP30DP 100/10 “A” light amber “B” clear 3,000-4,000 60-90 48 hrs @ RT 2-3 hrs @ 200°F 4°K to +250°F Toughened system. Withstands rigorous thermal cycling. Superior thermal shock resistance. Allows for repairability. EP30FL 100/25 “A” amber “B” clear 2,000-3,000 25-30 24 hrs @ RT 1-2 hrs @ 200°F 4°K to +250°F Flexible. Marvelous thermal & mechanical shock resistance. Excellent thermal cycling durability. Cryogenically serviceable. EP30HT 100/25 “A” clear “B” clear 35,000-45,000 25-35 24 hrs @ RT 1-2 hrs @ 200°F -60 to +400°F High temperature resistance. Transparent. Extraordinary physical strength and chemical resistance properties. EP30LTE 100/10 “A” black “B” clear 15,000-20,000 30-40 24-48 hrs @ RT 2-3 hrs @ 200°F -60 to +250°F Exceptionally low coefficient of expansion system. Features very low shrinkage and high dimensional stability. EP30M3LV 100/50 “A” black “B” brown 2,000-3,000 130-150 48-72 hrs @ RT 3-4 hrs @ 200°F -60 to +250°F Low viscosity, low exotherm, long working life system. Excellent for potting capacitors. Superior dielectric properties. EP34CA 100/50 “A” black “B” brown 5,000-6,000 12-24 hrs 1 hr @ 150°F plus 2-3 hrs @ 300°F -60 to +500°F Ultra high temperature resistant system featuring lower viscosity. Superlative physical strength properties. Requires heat cure . EP37-3FLF 100/100 “A” clear “B” clear 1,500-1,800 120-150 48-72 hrs @ RT 3 hrs @ 200°F 4°K to +250°F Easy to use, highly flexibilized system. Transparent. Unsurpassed thermal shock resistance. Readily repairable. EP37-3FLFAO 100/100 “A” white “B” white 18,000-22,000 3 hrs 4-5 days @ RT 4-6 hrs @ 200°F 4°K to +250°F Thermally conductive, electrically insulating version of EP37-3FLF. High flexibility and low viscosity. Offers repairability. EP41S-4 100/25 “A” black “B” clear 3,000-4,000 15-20 24 hrs @ RT 1-2 hrs @ 200°F -60 to +300°F For high security potting applications. Superb resistance to chlorinated solvents and acids. EP42HT 100/40 “A” clear “B” amber 8,000-10,000 35-45 24-36 hrs @ RT 2-3 hrs @ 150°F -60 to +435°F USP Class VI approved. Resists repeated chemical, ETO, radiation & steam sterilization. Widely used in medical devices. EP62-1 100/5 or 100/10 “A” clear “B” tan 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 resistant system with very long working life. Requires heat cure at 150-200°F. EP110F6 50/100 “A” clear “B” amber 15,000-20,000 12-24 hrs @ RT 60-90 min @ 150°F plus 6-8 hrs @ 300°F -55 to +155°C Meets MIL-I-16923C for thermal cycling requirements. Also has superior thermal shock resistance. Requires heat cure .