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Grade Router: Start From What You’re Bonding
Most buyers arrive naming a substrate, not a polymer. Answer three questions about the job and this points you at the family to start from — and, more usefully, tells you which one to rule out. Every figure behind it is a published reference value for the polymer family, not a Teng Yang test result.
What this tool is not. It routes you to a polymer family using published chemistry — it does not specify a grade, a thickness or a process window, because those depend on your press, your substrates and your line speed. The activation window, peel value and wash durability for the grade you end up with are confirmed against your process, not read off a page.
Part of the hot melt adhesive film grade guide — TPU, EVA, PA, PES and PO, and what decides between them.
