White Glass Microspheres - Filler for Epoxy and Polyester Resin Gallon: Amazon.com: Industrial & Scientific
Ampro Glass Bubbles 1 Litre - Anodes Direct
Glass Bubbles - a safe, lightweight ceramic filler for all resins.
Filler Hollow Glass Microspheres or Beads or Bubbles for Putty and Artificial Wood or Marbles Suppliers and Manufacturers China - Factory Price - Yali Technology