A and B Components

Changing Materials

When changing materials, flush the equipment mul- tiple times to ensure it is thoroughly 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 (hardener) side. Polyureas often have amines on the B (resin) side.

A and B Components

IMPORTANT!

Material suppliers can vary in how they refer to plural component materials.

Be aware that when standing in front of the manifold on proportioner:

Component A (Red) is on the left side.

Component B (Blue) is on the right side.

For all machines:

The A (Red) side is intended for ISO, hardeners, and catalysts.

If one of the materials being used is moisture-sensi- tive, that material should always be in the A (Red) side.

The B (blue) side is intended for polyols, resins, and bases.

NOTE: For ratios higher than 1:1, the higher volume is typically the B (Blue) side.

3A0237L

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Graco 3A0237L important safety instructions B Components, Changing Materials