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    MICRO-ULTRA 15-3 set fast filler paste is a rigid, light weight (low density) system meeting FAR 25.853a for the stringent requirements of the aerospace and aircraft industries. New technology and space age materials have made possible a weight reduction in applied product of 30-35%. It is an ideal material for repair and surface finishing of interior composites that is qualified to several OEM specifications *. The chemical resistance of MICRO-ULTRA 15-3 is excellent; the system will withstand the cleaning solutions used in routine maintenance. MICRO-ULTRA 15-3 offers the user a smooth, creamy system with high physical properties and less added weight. MICRO-ULTRA 15-3 is non-conductive and has excellent finishing properties. MICRO-ULTRA 15-3 has excellent bonding and filling qualities with fiberglass, SMC, BMC, RIM, FRP, graphite and Kevlar´âó composites. It withstands vibrations and impact without loss of bond or surface webbing. MICRO-ULTRA 15-3 can be applied by splining, squeegee, spatula or any flat type tool. Once set, it can be finished by mechanical or hand sanding or grinding. Decorative coverings are also workable; MICRO-ULTRA 15-3 does not bleed out.


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