DuPont® Dow Froth-Pak 620 Foam Sealant Tanks A & B
Dow Froth-Pak 620 Foam Sealant Insulation Tanks A & B. Foam will skin over in 30-40 seconds and be completely cured in under 1 minute. Dow Spray Foam Sealant provides a barrier against air infiltration and helps seal out moisture, dust, pests, and smoke. Iso (A) cylinder and Polyol (B) cylinder.