Item #: SF6700-08. Created to make the primer more flexible. Mix with the SF6500 Primer Base, the SF6600 Catalyst, and the SF6820 Reducer to create the primer/filler coat. The flex agent is already mixed into the paint. FAA-approved. Shelf life of 5 years if unopened; 1 year if opened. Comes in a 1-pint can.
The mixing ratio on the Superflite System VI fabric primer is as follows:
1 Part SF6500: 1 Part SF6600: 1/2 Part SF6700
Reduce to the following viscosities:
First Cross Coat - 17 seconds through a #2 Zahn Cup; Second Cross Coat - 23 seconds through a #2 Zahn Cup