Retreading standards & process guides (Bandag / RMA / ECE R108-109)

• Source / publisher: Bridgestone/Bandag official retread documentation; TIA TRMG recommended practices (TRMG recommended practices); ECE R108/R109 (UNECE, free texts)
• Type: guide | standard
• Topics: Bandag 10-step retread process (inspection incl. electrical & shearography NDT → buff/repair → cushion/build → envelope/cure → final inspection), casing acceptance criteria, precure vs mold-cure, ECE R108 (car)/R109 (truck) retread type-approval regime, quality marks
• Vehicle scope: truck (casing reuse)
• Region: global (Bandag/USTMA) + EU (ECE regs)
• Language: en
• Link: Bandag 10-step retread process (with photos/video): commercial.bridgestone.com ; Bridgestone/Bandag commercial product guide (retread sections): s7d1.scene7.com ; ECE R108/R109 texts: unece.org ; TRMG RPs: TRMG recommended practices
• License/access: public pages/PDF; TRMG member tier
• Notes: pairs with TRMG recommended practices (the standards/TRMG layer) — this file is the process layer: what physically happens to a casing. NDT methods (shearography, electrical inspection) worth teaching as the modern casing-vetting step.