Analytical Lab Products & Chemicals

9mm Blue Screw Cap, BONDED PTFE/Silicone, Pre-Slit, 100-pk

Part Number:
4400-04B
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$26.75

Product Description

9mm Blue Screw Cap with Bonded PTFE/Silicone Septa, Pre-Slit | 100-Pack

These premium 9mm blue screw caps feature a bonded PTFE/silicone septum designed for reliable autosampler performance in HPLC, GC, and LC-MS applications. The pre-slit configuration enables smooth needle penetration while minimizing coring and fragmentation, ensuring sample integrity and consistent chromatographic results across high-throughput analytical workflows.

  • Septum Material: Bonded PTFE/silicone construction provides excellent chemical resistance and low bleed characteristics
  • Pre-Slit Design: Facilitates easy needle insertion and reduces septum coring for cleaner injections
  • Cap Size: 9mm diameter compatible with standard short-thread autosampler vials
  • Color-Coded: Blue cap enables quick visual identification and sample organization
  • Package Quantity: 100 caps per pack for cost-effective laboratory supply management
  • SKU: 4400-04B

Specifications

Product Type Cap
Closure 9 mm Screw Thread
Material PTFE/Silicone
Color Blue
Product Style Pre-Slit
Product Style Bonded
Pack Size 100-pk