用    途：用来破解酵母细胞壁。
  粒子大小：425-600 μm (30-40 U.S. sieve)
  储存条件：室温
  Density: 2.5 g/ml
  Refractive index: 1.51-1.52
  Compressive strength (psi average): 36,000
  Poisson’s Ratio (psi): 0.21
  Rigidity Modulus (psi): 4.3 x 10⁶
  Young’s Modulus (psi): 10 x 10⁶
  Hardness (Knoop 100 g load): 515 kg/mm2
  Coefficient of friction (static): 0.9-1.0
  Chemical composition: soda-lime silica glass
  Softening point (dilatometer): 589 °C
  Expansion Coefficient (25-300 °C): 85 x 10⁷ per ℃
  Strain point: 505 ℃
  Annealing point: 548 ℃
  Dielectric Constant: 1 Kc 7.6 D.C.
  Volume Resistivity (Ohm-cm): 25 ℃ 6.5 x 10¹²
  Lost tangent: 1 Kc 2.0% 100 Kc 1.0%.