SG-720 is Pb and Cd free low fire sealing glass
designed to seal alumina substrates. It has a black
translucent appearance after firing. SG-720 has
been engineered to provide dimensional stability
during sealing
Key Features
Thermal expansion matched to Al2O3
Low shrinkage upon firing Dyed paste for easy visual inspection Provides strong dense seal
Viscosity
80 – 120 Kcps, Brookfield HBT,
SC4-14 spindle at 10 rpm in 6R utility cup, at 25 °C
Coverage
Coverage
Storage and Paste Preparation
store in a dry, cool
(5 – 25 °C) and dark place
with container tightly shut
Warranty
6 months
Printing Parameters
165 mesh
0.5 mil emulsion
Printing Speed
Drying Temperature
150 ºC for 10 minutes
Process Temperature (TDS)
540C (2 - 3 min. at peak) pre-glaze temperature for
part 1 and part 2
620C (4 - 6 min. at peak) sealing temperature