3M(TM) GLASS BUBBLES IM16K

3M Glass Bubbles iM16K will change the way you think about plastic parts. This product has a density of 0.46 g/cc and an excellent isostatic crush strength of 16,000 psi, providing an additive with a superior strength-to-density ratio for use in injection molding extrusion and sheet molding compounds. They can reduce final part weight by 15% or more without compromising the mechanical integrity.