Core Materials and Characteristics
Medical-grade Silicone: High-purity, non-toxic, hypoallergenic, soft, suitable for sensitive ears and long-term use.
Food-grade Silicone: Non-toxic, waterproof, easy to clean, suitable for daily use and disposable products.
Ordinary Silicone: Low purity, low cost, easy to harden, suitable for short-term use.
Modified Silicone: With anti-aging/hypoallergenic additives, suitable for functional earplugs.
High-quality earplugs are soft, odorless and hypoallergenic; inferior ones are rough, smelly, easy to age and may irritate ears.