Resources & Buyer Guides
Yarn science, certification standards, and what to ask when sourcing earplugs and eye masks at scale.
6 min
How Silicone Earplugs Are Manufactured (What Knockoffs Skip)
Factory-floor walkthrough of silicone earplug manufacturing, raw resin to blister pack: the 5 process steps and the 3 corners cheap suppliers cut.
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8 min
CE EN 352 for Earmuff Buyers: What It Says, What to Ask Your Supplier
EN 352 is the EU hearing-protection benchmark: what 352-1 and 352-4 cover, what SNR/H/M/L mean, and the documents a real factory hands over on request.
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