Check the listing for details. PHENOLIC MICROBALLOON, 1 Quart For making resin putties. FREE SHIPPING. Color: Brown, Condition: New. Listed at 24.99 USD. 1 quart (3.7 oz.) of phenolic microballoon. Used for thickening resins to a paste or putty consistency. These hollow glass spheres make a lightweight, sand-able filler, perfect for filling in fabric weave, shallow blisters on the surface of core materials. Also as a fairing compound. 1020FREE DOMESTIC SHIPPING with tracking numberFor International Shipping* we use eBay's Global Shipping Program (Courier Service) for safe, fast and secured worldwide shipping. *International Shipping is the cost of shipping the item to your destination country. Please, be advise this cost does not include any import duties or fees your country's Customs might impose on the importation of this item. We, have no control on the import duties or fees or the amount.Thanks for visiting Epoxy World