5 Quart Premium Glass Microballoons - Silane-Coated

Explore our premium Microballoons, meticulously coated with silane and crafted to perfection, designed for a versatile range of applications. From enhancing resin baits to elevating hobby models and a wide array of commercial end products, these high-quality glass microspheres deliver unparalleled bonding strength, simplifying the sanding process. The silane coating plays a vital role as an intermediary, fostering strong adhesion between the resin and microspheres, resulting in a superior, structurally sound final product. You may also recognize them as glass microspheres or micro balloons.

Are you transferring from another Microballon system?
Just use the same volume as your existing Alumilite, System 3, or similar product. If you prefer to measure by weight, simply use twice the weight.

Why Microballoons.com Microballoons?
1. Achieve an optimal balance of structural integrity, hardness, and strength in your creations, while enjoying an easier sanding process with improved screw bite.
2. Benefit from our product's ease of mixing, ensuring a smooth integration into your projects.
3. Our microballoons pour thinner, bringing out the finest details in your work.
4. Minimize surface imperfections and decrease the need for filling and sanding due to a reduction in surface craters.
5. The silane coating provides a protective shield against moisture contamination, enabling longer exposure times.
6. With a less fluffy composition, our water-resistant microballoons are perfect for bait making, reducing desiccation effects.

Deep Dive into Silane Coating
Traditional resin struggles to form a robust chemical bond with glass microspheres due to their differing structures and properties. Furthermore, they can't readily penetrate or dissolve each other due to intermolecular attraction at the interface. This is where silane coupling agents excel, enhancing the bond between the resin and glass microspheres and leading to improved adhesion.

Silane coupling agents work at the interface between the glass microspheres and the resin, binding these disparate materials together. Our silane coupling agents contain three inorganic reactive groups on silicon (such as methoxy, ethoxy, or acetoxy), ensuring a firm bond with the glass surface. The silicon's alkoxy groups hydrolyze to silanols, either due to the addition of water or residual moisture on the glass surface. These silanols then interact with metal hydroxyl groups on the glass surface, forming a secure and enduring chemical bond.