3M Glass Bubbles
Hollow glass microspheres with a high strength to density ratio. Lightweight but with a strength for processing survival. Potential enhancements include high filler loading, reduced warpage/shrinkage, sandability and more.
In the U.S., industrial and professional users can buy sample sizes (1 gallon containers) and small boxes (100 lbs – 125 lbs) of high strength 3M Glass Bubbles online at Shop3M.com. To place an order for a larger quantity, contact 3M customer service at 800-367-8905 or email@example.com.