# Blue HDPE Screw Caps for Laboratory Tubes

This bulk case of 5000 blue HDPE screw caps provides reliable tube closure solutions for laboratory applications. Designed specifically for 13 x 75 mm tubes, these durable caps ensure secure sealing and easy identification with their distinctive blue color.

## Secure Tube Closure Solution

Manufactured from high-density polyethylene (HDPE), these screw caps offer excellent chemical resistance and durability for laboratory environments. The screw-style design provides a tight, secure seal that helps prevent contamination and leakage during storage and transportation.

### Color-Coded Identification

The bright blue color allows for easy visual identification and organization of samples. This color-coding system helps streamline laboratory workflows and reduces the risk of sample mix-ups.

### Bulk Packaging Efficiency

Packaged in a convenient case of 5000 units, these caps provide cost-effective bulk purchasing for high-volume laboratory operations. The bulk packaging reduces per-unit costs and ensures you have ample supply for ongoing laboratory needs.

*   Specifically designed for 13 x 75 mm laboratory tubes
*   Made from durable HDPE material for chemical resistance
*   Screw-style closure ensures secure sealing
*   Blue color provides easy visual identification
*   Bulk case of 5000 caps for cost-effective purchasing