Premium Customized Silicon Threaded Rubber Stoppers
High-grade silicone material ensures superior flexibility, heat resistance (-60°C to 230°C), and airtight sealing for lab equipment, beverage fermentation, or industrial storage. Precision-threaded design guarantees a secure, leak-proof fit even under high pressure. FDA-compliant and chemically inert, ideal for pharmaceuticals, homebrewing, or DIY science projects. Customizable sizes/colors available for bulk orders. Durable, non-toxic, and easy to clean—perfect for repeated use. Wholesale pricing cuts costs without compromising quality. Stock up for labs, breweries, or manufacturing needs.