Impact testing measures how a polymer material absorbs energy and resists fracture when struck suddenly, rather than loaded gradually — a distinction that matters because many real-world failures happen fast, not slowly. A polymer that performs well under a slow bend test can still shatter under impact, because the two properties measure genuinely different things — how a material behaves at speed, not just under steady load. METS Laboratories carries out impact testing on polymers to confirm whether a material can withstand the kind of sudden shock it's likely to face in service, whether that's a dropped product, a vehicle collision, or a tool striking a component during installation.
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