Features:Maximum capacity: 4 × 5mL (0.02L)Max. speed/RCF: 52,000rpm/275,458 x gK factor: 78.6Angle: 180° Compatible with:Thermo Scientific Sorvall MTX 150 Series Micro-Ultracentrifuge, MX Series Floor Model Micro-UltracentrifugeRecommended for:Small particle separations such as nanoparticles and viral particles, density gradients.