80F15038_TDS.pdf

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POLYESTER FILLER SYSTEM
FLAME RETARDANT/ MEETS FAR 25.853 FLAME TESTING
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DESCRIPTION
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Micro-Ultra 15-3 fast set 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%. Itis 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 fibergiass, SMC, BMC, RIM,
FRP, graphite and Kevlar 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. Typical applications include: filling porosity and cloth
impression in prepreg or wet layup / infused composites, filling porosity and surface blemishes on
exterior composites, surface filling on interior composites, renewing and repairing broken or cracked
areas, overhaul and refinishing on interior parts, edge fill, and many more areas of final fabrication
and finish.
PROPERTIES
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= Self-extinguishing = Excellent finishing and machinability
Very quick setting = Easy to use
= Lightweight (low density) High gloss finish
= Meets or exceeds flame requirements Qualified to several OEM
for FAR 25.853a specifications*
*For details please reference OEM qualified product list.
TECHNICAL DATA SHEET
Micro-Ultra 15-3
February 19, Version 03 /2019
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