Unlined Caps

Unlined Polypropylene Caps are engineered for exceptional impact strength and flexibility, making them an ideal choice for a diverse range of applications in laboratories and industry. These caps, including solid polypropylene screw caps in various dimensions, provide a cost-effective sealing solution for numerous dry products, ensuring optimal protection against contamination. Autoclavable, they can withstand high temperatures, rendering them suitable for sterilization processes. Available in multiple sizes and colors, such as the Nalgene® series, these caps facilitate easy identification and streamlining of laboratory inventory. Each case includes a selection of sizes, from 13-415 to 38-430, catering to varied fastening needs. Because of their resilience and adaptability, unlined polypropylene caps maintain product integrity while offering reliability and performance in any setting. Choose this versatile category for your encapsulation requirements and experience the balance of functionality and value.