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How to apply, handle, clean up, and store reactive hot melt adhesive
Reactive hot melt (PUR) sets as it cools, then moisture-cures. Use equipment built for PUR, not a conventional hot-melt tank. Call 800-249-0337 for the SDS and a sample.
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Plant-floor overview. Unlock below for the full converter checklist.
What are reactive hot melt adhesives?
Reactive hot melts from Cattie are solvent-free, 100% solids adhesives. They are thermosetting: they set as they cool, then crosslink with moisture in the air and in the substrate.
That second cure is what gives PUR better creep, heat, and moisture resistance than a conventional hot melt. See the PUR hot melt product page for grades.
What's in this guide
- How do they differ from conventional hot melts?
- How to apply it
- Set time vs cure time
- Clean up
- Handling and storage
- Safety
Longer plant training (5–10 min)
Coming soon — downloadable deep-dive for the floor.
General plant guidance only — not a substitute for your process, SDS/TDS, or line trials. Call 800-249-0337 to match a grade.