Recursos y Guías para Compradores
Ciencia de los hilos, estándares de certificación y qué preguntar al abastecer tapones para oídos y antifaces a escala.
6 min
How Silicone Earplugs Are Actually Manufactured (and What Cheap Knockoffs Skip)
A factory-floor walkthrough of how silicone earplugs are made — from raw resin to finished blister pack. Understand the 5 process steps and the 3 corners cheap suppliers cut.
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8 min
CE EN 352 for Buyers: What the Standard Says, and What to Ask Your Earmuff Supplier
EN 352 is the EU's benchmark for hearing protection. This guide explains the sub-parts (352-1 passive, 352-4 active), what SNR / H / M / L mean, and the documents a real factory will hand you on request.
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