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Mix and Integration Tests
309535L 23
Mix and Integration Tests
Use the following tests to check for proper mix and inte-
gration.
Butterfly Test
At low pressure, normal flow rate, and without a spray tip
installed, dispense a 1/2” (12.7 mm) bead of material
onto foil until multiple changeovers of each pump have
occurred. Place a second sheet of foil over the first then
peel it back and look for unmixed material (appears mar-
ble-like).
Curing Test
Spray a single continuous pattern on foil at typical pres-
sure setting, flow rate, and tip size until multiple change-
overs of each pump have occurred. Trigger and
de-trigger at typical intervals for the application. Do not
overlap or cross over your spray pattern.
Check curing at various time intervals, listed on the
material data sheet. For example, check for dry to touch
by running your finger along the test pattern’s entire
length at the time listed on the data sheet.
Appearance Test
Spray material onto metal substrate. Look for variations
in color, gloss, or texture that may indicate improperly
catalyzed material.
WARNING
Follow Pressure Relief Procedure, page 10, before
removing spray tip. Read warnings, page 5.