The material performs, the trial succeeds, and the sustainability team is convinced. Yet the order never comes. Between technical approval and a purchasing commitment sit competing demands on price, product protection, production, and risk. Hear directly from buyers what evidence on performance, safety, cost and end of life turns a successful trial into repeat orders, and what keeps that commitment alive when budgets tighten. • Which requirements are non-negotiable for buyers, and where can they compromise? • What evidence on performance, safety, cost, and end of life turns a trial into repeat orders? • How do sustainability targets become purchasing budgets, and who keeps them on track when costs rise?