{"id":"62f76bd2-55ac-4575-b975-d43c63de7c3f","task":"Perform and document coating adhesion testing (pull-off and tape-test methods)","domain":"astm.org","steps":["Determine which method the spec requires: ASTM D4541 (portable pull-off adhesion testers, Types I-V dollies/instruments) for quantitative psi/MPa values, or ASTM D3359 (X-cut or cross-hatch tape test) for a qualitative 0-5 rating","Verify current editions on store.astm.org before citing a year in a report","For D4541, select the dolly size and adhesive appropriate to the coating system and substrate curvature, and allow full adhesive cure before pulling","For D3359, use Method A (X-cut) for coatings over 5 mils DFT or rough substrates, and Method B (cross-hatch) for thinner films on smooth substrates","Record failure mode (adhesive, cohesive, or substrate) alongside the numeric/rating result — a bare psi number without failure mode is of limited diagnostic value"],"gotchas":["D4541 results are highly sensitive to dolly prep, adhesive cure time, and test rate — inconsistent technique produces scattered results that get wrongly blamed on the coating","Tape tests (D3359) are destructive and only qualitative; do not present a D3359 rating as equivalent to or convertible into a D4541 psi value"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/62f76bd2-55ac-4575-b975-d43c63de7c3f"}