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Epocast_8623 A/946 Low Density Potting Compound
Epocast® 8623-A/946 is a two part epoxy core filling compound. It has a soft paste viscosity developed for easy extrudability through a 1/8" nozzle. The compound is self-extinguishing and cures fast at room temperature. Filled edges can be sanded within 3-4 hours.

SPECIFICATIONS
DHMS P1.30 GR 2A IS G AMD 2

TECHNICAL DATA
Property ____________________________8623-A _946___ 8623-A/946 _Test Method Color________________________________white __amber__off-white __Visual Specific gravity ____________________0.65 ___1.00 __0.70 _______ASTM-D-792 Viscosity, centipoise _______________paste __350 ___soft-paste _ASTM-D-2393 Flash point, COC, °F_ _______________>366 ___210 ___-- _________ASTM-D-92 Work life, 100 gms at 77°F, minutes_ -- _____-- ____12-20 ______ASTM-D-1338 Shelf life at 77°F, unopened, months 12 _____12 ____-- _________FTM-204 Solids, % ___________________________-- _____-- ____100 ________ASTM-D-1644 MIX RATIO Too 100 parts by weight of Epocast 8623-A, add 14 parts by weight of Hardener 946. Mix both components thoroughly for 2-3 minutes to insure complete and uniform mixing. CURE SCHEDULE: 24 hours at 77°F or gel at 77°F, plus 1 hour at 150°F. TYPICAL CURED PROPERTIES (Not for specification purposes) Test ___________________________________________________Result _Test Method Compressive strength at 77°F, psi ______________________4,000 __ASTM-D-695 Compressive modulus at 77°F, psi _______________________1.5x10⁵ ASTM-D-695 Tensile lap shear strength, etched al/al, psi __________1,600 __ASTM-D-1002 Flammability, self-extinguishing, seconds ______________30 _____BMS-5-28 Extrudability (uncured), 1/8" nozzle at 80 psi cc/min Weight gain on immersion after 24 hours at 77°F, % _____________ASTM-D-570 Mil-S-3136, Type III test fluid ________________________+0.3 Mil-M-5606, hydraulic fluid ____________________________+0.4 Skydrol 500-A __________________________________________+0.6 distilled water_________________________________________+1.5


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