پرل شیشه ای HONG KONG

توضیحات محصول

glass beads data sheet FJ
www.ARADTRCO.COM
Glass Beads Data Sheet
Chemical Analysis

 made in hong kong   Size:3mm 4mm

Inspection Items Technical Specifications
Appearance

Clear , transparent and round spheres
Density(G/CBM) 2.45—2.7g/cm3
Index of Rrefraction 1.5—1.64
soften point 710-730℃
Hardness
DPH 50g load - 537 kg/m2
(Rockwell 48-50C)
Mohs - 5.5-7
Spherical beads 〉=85%
chemical composition
SiO2 72.00 – 73.00 %
Na2O 13.30 – 14.30%
K2O 0.20 – 0.60%
CaO 7.20 – 9.20%
MgO 3.50 – 4.00%
Fe2O3 0.08 – 0.11%
Al2O3 0.80 – 2.00%
SO3 0.20 – 0.30%