Li-Opal
Lot R1120
Color: Black with Green fire
Type: Rough
Size: 59-60x44-46x20-21mm
Weight: 59-60gr
Classification: Lab Grown Opal Polymer Impregnated
Chemical composition: SiO2 + nH2O + Resin (75-85%)
Hardness: Pencil Hardness 4-5H
Specific Gravity: 1.25-1.35
Heat Resistance: 140 C
Resistance to Chemicals: Alcohol – Pass; Acetone - NG
Water: 0%
Polymer: 75-85%
