Novalk 951i is a water based 1K/2K stain blocking isolator available in clear. 

951i can be used as a 1K or catalyzed at 10% with NCW-80 for added adhesion and enhanced blocking.

When catalyzed with NCW-80 pot life is 1 hour.

Pot life with NCW-105 catalyst is roughly 2 hours.

This isolator can be used as the 1st coat in a 1K system with 917B as the second coat to ensure tannins/stains are blocked.

Novalk 951 isolator is packaged in a European container and is filled to 5KG (162 US fl. ounces) A gallon, packaged in a US gallon container, is available.

951 Technical Data Sheet