Sika Micro-Ultra 15-3 A/B Polyester Filler (Includes Red Cream Hardener)
Sika Micro-Ultra 15-3 filler paste is a rigid, light weight (low density) system meeting FAR 25.853a for the stringent requirements of the aerospace and aircraft industries.
- Product Type Filler
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 while offering the user a smooth, creamy system with high physical properties and less added weight.
Micro-Ultra 15-3 is non-conductive and has excellent bonding and filling qualities with fiberglass, 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 as 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.
- Very quick setting
- Lightweight (low density)
- Meets or exceeds Flame requirements FAR 25.853a
- Excellent finishing and machinability
- Easy to use
- High gloss finish
- Qualified to several OEM specifications
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Some products in our catalog are classified as Hazardous for shipping so some restrictions and/or additional shipping fees may apply.