Derived from nature’s simplest shape, 3MTM Glass Bubbles are free-flowing powders consisting of thin-walled hollow glass microspheres. They have a high strength-to-density ratio, so they are both lightweight and strong enough to survive processing. Made of soda-lime borosilicate glass, these additives are chemically inert and water resistant. 3M glass bubbles feature a smooth, nonporous surface, and their spherical shape offers a variety of advantages over irregularly- shaped additives or fillers.
3M glass bubbles are used as additives in an astonishing variety of products. For example, they reduce the weight of cement used to reinforce oil wells and are used in underwater pipe insulation, making it possible to extract more
oil from the bottom of the sea. As an ingredient in the plastic parts of your car, glass bubbles help reduce vehicle weight – improving fuel efficiency,
so you don’t have to fill up as often. 3M glass bubbles can be formulated into quick-drying, low-shrinkage spackling and other construction materials. And they provide a wide range of additional benefits in applications ranging from sporting goods to solar reflective paint.
Around the world, 3M glass bubbles are helping to increase productivity … meet new design challenges … enhance product performance … and turn “what’s possible” into “what’s next.”
K1 Density – 0.32 g/cc
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