Wei Lee Industries Inc.


horace.chan@solarfactors.com
Tel: (1) 416 272 8868

Properties

Properties Unit Crystallized Glass Marble Granite
Specific Gravity g/cm3 2.7 2.5 2.7
Compression Strength Mpa 400 220 295
Rupture Strength Mpa 35 15 20
Charpy Impact Strength Kj/m2 3.34  1.9 2.5
Mohs' Hardness   6-6.5 3-5 5.5-6
Water Absorption % 0.02 0.3 0.35
Diffusion Reflectivity % 85 55 66
Acid Resistance 1% H2OSO4, % 0.08 10.2 1
Alkali Resistance 1% NaOH, % 0.05 0.3 0.1
Thermal Expansion Coefficient x10-7/ºC 25-400ºC 60 80-260 50-150
Radioactivity   doesn't exist exists exists