SG-720

Description

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 & 6R utility cup @ 10 rpm, 25°C

Coverage

 

Coverage

 

Storage and Paste Preparation

Store in a dry location at 5 – 25°C. DO NOT REFRIGERATE. Allow paste to come to room temperature prior to opening. Spatulate well before using, as settling may occur during storage.

Warranty

Material guaranteed to meet specifications for 6 months from date of manufacturing with proper storage.

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

Film Thickness

18 - 22 µm