3M Scotchgard Clear Paint Protection Film 4 Inch

An 8 mil polyurethane film with pressure-sensitive adhesive, distributed under the 3M Scotchgard label. The listing confirms polyurethane but does not disclose aliphatic vs. aromatic TPU · without that, yellowing risk cannot be projected. No self-healing claimed or confirmed. At 4 inches wide, coverage is limited to door sills, trim edges, leading hood strips, and decal overlays. No warranty stated. The owner review base is thin and skews to 2015·2016, so treat it as provisional; those reports show clean optical results on installed sills, and owners note slight transparency reduction vs. thinner films. Separating the film from its backing cleanly is the most common install challenge.

Right pick for narrow-panel DIY protection: door sills, HOV sticker overlays, bike rack contact points. Skip for full-panel work · 4 inches won't cover it. Skip if material grade transparency matters; a premium aliphatic TPU film with explicit specification and a warranty is the better choice for any long-term install.

No chemical exposure pathway from the film after install. Material grade uncertainty limits the lifecycle score; removed film has no consumer-facing recycling pathway in the US and typically lands in landfill.