�?nbsp; 途：用来破解酵母细胞壁、�br/> 粒子大小�?25-600 μm (30-40 U.S. sieve)
储存条件：室�?br/> 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 10⁷per ℂ�br/> Strain point: 505 ℂ�br/> Annealing point: 548 ℂ�br/> 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%.