Technical notes

3m polymer, adhesive, rubber, and plastic application notes.

3M Foam Board Guide: How to Install Insulation Foam Board and Avoid Rework

A scenario-based guide to choosing foam board and installation methods. Learn when pin foam board or cheap foam board is acceptable, how to install insulation foam board correctly, and how 3M adhesive backed rubber strips and 3M Temflex rubber splicing tape 2155 fit into rush jobs.

Rubber or TPU? The Branching Material Guide I Wish I’d Had

Choosing between TPU vs rubber cleats, ABS sheets for rigid parts, 3M rubber splicing tape, 3M Bondo body filler, and triangular rubber strip depends on your use case. A buyer shares the checklist that stopped our costly reorders.