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Epocast_1619-A/B Pourable Syntactic
Epocast 1619-A/B is a low density, self-extinguishing epoxy compound for potting fasteners in honeycomb structures. The viscosity permits easy pouring or extruding through 1/8? nozzle orifice. Epocast 1619-A/B is resistant to water, fungus and most aircraft fluids.

SPECIFICATIONS
BMS 5-28, Type 19 Rev AD Chrysler Tech NL000004-001 Rev B Gen Dyn 0-73665-4 SCN 12,13,14 Rev E ROHR RITMS 5-28 TY 19 Rev A

TECHNICAL DATA
Property _________________________1619-A ____1619-B _1619-A/B __Test Method Color ____________________________Off-white_ Amber __Off-white _Visual Density, g/cc ____________________0.60 ______1.00 ___0.70______ ASTM-D-1622 Viscosity, centipoise @ 77°F _____Paste_____ 400 ____300 _______ASTM-D-2196 Extrudability, 1/8? nozzle, gm/minute -- ____-- _____350 _______-- Gel time, 50 gms at 77°F, minutes -- ________-- _____20-50 _____ASTM-D-2471 Shelf life at 77°F, unopened, months 6 ______6 ______-- ________-- MIX RATIO To 100 parts by weight of Epocast 1619-A, add 25 parts by weight of Epocast 1619-B. Mix both components thoroughly for several minutes to assure complete blending. CURE SCHEDULE 24 hours at 77°F, or gel at room temperature plus five hours at 125°F. TYPICAL CURED PROPERTIES (Not for specification purposes) Test ______________________________________________Result___ ___Test Method Compressive strength, Ksi at 77°F _________________5.50 ________ASTM-D-695 Compressive modulus, Ksi __________________________350 _________ASTM-D-695 Tensile lap shear, AL/AL, psi _____________________1,250 _______ASTM-D-1002 Flammability ________________________________self extinguishing -- Hardness, Shore D _________________________________65 __________ASTM-D-2240 Weight gain on immersion after 24 hours at 77°F % ______________ASTM-D-543 _TT-S-735, 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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