{"product_id":"fasco-epoxies-white-glass-microspheres-lightweight-resin-filler-quart-tub","title":"Fasco Epoxies White Glass Microspheres – Lightweight Resin Filler (Quart Tub)","description":"\u003ch2\u003eProduct at a glance\u003c\/h2\u003e\n\u003cp\u003eFasco Epoxies White Glass Microspheres are engineered hollow glass spheres designed to be mixed into epoxy or polyester resins as a lightweight filler and reinforcement. Packaged in a convenient quart tub, these microspheres are white in color and are commonly referred to as glass bubbles in resin communities. They’re designed to blend smoothly with resin systems, helping you add bulk without adding heavy weight.\u003c\/p\u003e\n\u003ch3\u003eWhy choose these microspheres\u003c\/h3\u003e\n\u003cp\u003eIn resin work, the goal is often to balance weight, strength, and workability. These hollow glass microspheres offer a practical solution by adding volume while keeping the cured part easy to sand and shape. The white appearance can help you visually assess coverage during application, and the uniform particle geometry supports consistent performance across batches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSands easily, enabling lightweight fairing compounds when added to epoxy or polyester resins\u003c\/li\u003e\n  \u003cli\u003eAlso commonly known as glass bubbles, a familiar term in resin circles\u003c\/li\u003e\n  \u003cli\u003eHelps optimize the weight-to-strength balance and supports dimensional stability in cured resin\u003c\/li\u003e\n  \u003cli\u003eWhen mixed with Cabosil in equal parts by volume, forms a versatile general-purpose putty\u003c\/li\u003e\n  \u003cli\u003eEngineered hollow glass microspheres provide consistent performance and easy handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eBegin with small test portions to dial in your desired texture. Stir the microspheres into resin until uniform, then proceed with your normal curing process. For putty applications, combine equal parts by volume with Cabosil to achieve a smooth, work-ready paste.\u003c\/p\u003e\n\u003ch3\u003eReal-world applications\u003c\/h3\u003e\n\u003cp\u003eThese microspheres are well-suited for lightweight fairing on panels, temporary patches in molds, or bulk filling where reducing weight is helpful. The white color helps with visibility during application, and the hollow structure supports smoother finishing operations after cure.\u003c\/p\u003e\n\u003ch3\u003eCare and storage\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStore in a cool, dry place to maintain performance\u003c\/li\u003e\n  \u003cli\u003eFollow resin manufacturer guidelines for mixing ratios\u003c\/li\u003e\n  \u003cli\u003ePerform a small preliminary test batch before larger projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are White Glass Microspheres used for in epoxy resin?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They act as a lightweight filler to improve sandability and help with fairing and patches in epoxy or polyester resin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these microspheres be mixed with Cabosil for putty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, mixing equal parts by volume with Cabosil creates a versatile general-purpose putty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fasco Epoxies","offers":[{"title":"Default Title","offer_id":53087049449583,"sku":"B07KPL163Y","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/fasco-epoxies-white-glass-microspheres-pour.jpg?v=1778647159","url":"https:\/\/taskholt.com\/products\/fasco-epoxies-white-glass-microspheres-lightweight-resin-filler-quart-tub","provider":"TaskHolt","version":"1.0","type":"link"}