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