3270R

Description

3270R is a silver conductor paste designed for screenprint application of a fired conductive electrode. 3270R forms a highly adherent bond to many compositions including alumina. The paste has good rheological properties and long screen life. The film has good initial and aged adhesion and is readily solderable.

Key Features

Excellent solderability
Good initial and aged adhesion
Long working lifetime on the screen

Metal

Ag

Viscosity

90 – 110 kcps, Brookfield RVT, SC4–7 spindle & 6R utility cup @ 20 rpm, 25°C

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

100-250 mesh stainless steel screens
0.4-1.0 mil emulsion
Allow to level at room temperature at least 10 minutes

Drying Temperature

120-150°C for 10 minutes

Process Temperature (TDS)

Glass: 550-625°C peak temperature
Alumina: 575-650°C peak temperature
Anodized Aluminum: 550-600°C peak temperature
Dwell time (All): 8-12 minutes
Total cycle time (All): 40-60 minutes