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Keep Components A and B Separate
312666R 11
Keep Components A
and B Separate
Foam Resins with 245
fa Blowing Agents
New foam blowing agents will froth at tempera-
tures above 90°F (33°C) when not under pres-
sure, especially if agitated. To reduce frothing,
minimize preheating in a circulation system.
Changing Materials
• When changing materials, flush the equip-
ment multiple times to ensure it is thor-
oughly clean.
• Always clean the fluid inlet strainers after
flushing.
• Check with your material manufacturer for
chemical compatibility.
• Most materials use ISO on the A side, but
some use ISO on the B side.
• Epoxies often have amines on the B (hard-
ener) side. Polyureas often have amines on
the B (resin) side.
CAUTION
To prevent cross-contamination of the equip-
ment’s wetted parts, never interchange com-
ponent A (isocyanate) and component B
(resin) parts. The gun is shipped with the A
side on the left. The fluid manifold, fluid
housing, side seal assembly, check valve
cartridge, and mix chamber are marked on
the A side.