Micro balloons is a common filler for epoxy when the surface will be faired.
TotalBoat Glass Microballoons | Filler and Thickener Additive
Glass Bubbles (Microspheres) Filler Powder - Easy Composites
3M Glass Bubbles: the ultimate filler for composites?
TotalBoat Glass Microballoons | Filler and Thickener Additive
Micro Balloons (Microspheres or Glass Bubbles) | ZD-MB60 | Zero Designs
TAP Microspheres • Glass Spheres : TAP Plastics
Solarez | lightweight resin additive, easy to sand, high strength to weight ratio, high compressive strength, fairing compound, glass micro balloons, Q-cel
Glass Microballoons, 1 lb. – Douglas and Sturgess
Phenolic Microballoons | MAS Epoxies
Using Microballoons with Epoxy Resin - YouTube
What have I gotten myself into!: Epoxy 101
Amazon.com: Fiberglass Supply Depot Phenolic Micro Balloons Quart : Industrial & Scientific
Micro balloons is a common filler for epoxy when the surface will be faired.
Glass Microballoons - YouTube
Micro / Glass Balloons 5 gal pail - Hobby Silicone
11" Sea Glass Balloons Premium Helium Quality Decorator Balloons Compare to Qualatex Sapphire Blue & Save
Phenolic Micro Balloons
Mikroglassballonger - Biltema.no
Failure of individual glass micro balloons embedded in an elastomer matrix under indentation
3M K20 MICROBALLOONS/MICROSPHERE GLASS BUBBLES MICRO BUBBLES 1 GALLON | eBay
