Kisling Ergo 7490 Epoxy Adhesive 50ml/400ml (Fire Rated EN-45545-2)

Description Ergo 7490 is a black, toughened, pasty epoxy adhesive for application with composite or metal parts. The adhesive provides excellent strength build up after a long pot life, very good heat resistance as well as remarkable mechanical properties over a broad temperature range. 7490 fulfills the requirements according to DIN EN 45545-2 chart 5, R1, R7 and R17 with HL1-3. Advantages • High toughness • Excellent adhesion to composite materials and metals • High strength at elevated temperatures • Solvent-free, good chemical resistance • Minimum gap 75 µm (Spacer) Physical properties (liquid product) Chemical base Epoxy resin adhesive Curing System 2-component-ystem Mixing ratio (volume) 2 : 1 (resin : hardener) Mixing ratio (weight) 2.24 : 1 (resin : hardener) Shelf life 24 month at 5 – 23 °C Viscosity acc. to DIN EN 12092 (Cone-Plate-System, Cone 25, shear rate 35 s-1 , 23 °C) Resin 7438 70’000 – 90’000 mPa•s Viscosity acc. to DIN EN ISO 2555 (Spindle measurement, 25 °C) Hardener 7489 (Spindle 7, 2.5 rpm) 200’000 – 350’000 mPa•s (Spindle 7, 20 rpm) 40’000 – 60’000 mPa•s Viscosity Mixture Pasty, thixotropic Colour Resin 7438 White Hardener 7489 Black Mixture Black Density Resin 7438 ~ 1.19 g/cm³ Hardener 7489 ~ 1.07 g/cm³ Mixture ~ 1.15 g/cm³ Minimum gap / Spacer 75 µm Curing properties Pot life (23 °C) ~ 2 hours Final strength (23°C) ~ 5 days Test method DIN EN 1465 At 23 °C At 60 °C Fixture time (>1 N/mm2 ) ~ 8.5 hours ~ 40 minutes Functional time (> 10 N/mm2 ) ~ 15 hours ~ 65 minutes