Microbilles de verre 3M™ de série K, K15, 250 lb (113,4 kg), grande boîte

Caractéristiques

• Made from hollow, water-resistant, et chemically-stable soda-lime-borosilicate glass
• Each bubble has a crush strength of 500 psi (3.45 MPa) et a density of 0.2 g/cc
• Good strength-to-density ratio
• Offre excellent water et oil resistance pour underwater applications
• Fournit buoyancy in syntactic foam compositions
• Creates stable voids pour faible thermal conductivity et a reduced dielectric constant
• faible density