Catalog Number - 9582S-30C-K

Improve autosampler efficiency and injection performance with screw top caps designed for reliable sealing and ease of needle penetration.

9582S-30C-K caps feature a knurled polypropylene design for enhanced grip and ease of handling during manual or automated workflows. The 5.5 mm center hole provides a larger target area for autosampler needles, helping reduce alignment issues and improving injection consistency in high‑throughput environments.

The 1.3 mm thick silicone rubber / PTFE pre‑slit septa allows smoother needle penetration while maintaining resealability during repeated injections. The PTFE layer provides chemical resistance and inertness, while the silicone backing ensures flexibility and durability, making these caps suitable for a wide range of HPLC and LC‑MS applications.

Key Benefits

• Pre‑slit septa enables easy needle penetration

• 1.3 mm thick septa improves durability and performance

• 5.5 mm opening increases needle targeting accuracy

• PTFE/silicone septa provides chemical resistance and resealability

• Knurled cap design improves grip and handling

• Compatible with standard 8‑425 screw thread vial systems

• Bulk pricing available for high‑volume workflows

Typical Applications

• HPLC and UHPLC analysis

• LC‑MS and LC‑MS/MS workflows

• High‑throughput sample processing

• Routine analytical laboratory testing

• Pharmaceutical and environmental laboratories

Specifications

• Cap Type: Screw Top

• Thread Size: 8‑425

• Cap Material: Polypropylene (knurled, black)

• Septa: Silicone rubber / PTFE

• Septa Type: Pre‑slit

• Septa Thickness: 1.3 mm

• Opening Size: 5.5 mm

• Compatibility: 12 × 32 mm autosampler vials

• Packaging: Bulk (Custom Item)

Compatibility

• Designed for 8‑425 screw thread autosampler vials

• Compatible with standard 12 × 32 mm vial formats

• Suitable for HPLC and LC‑MS workflows

Performance and Design Notes

• Pre‑slit septa reduces needle resistance and improves repeatability

• Larger opening helps minimize alignment errors

• PTFE layer minimizes analyte interaction

• Designed for consistent, high‑throughput autosampler performance

Important Notes

• Custom item with bulk pricing available

• Case quantities available upon request

• Ideal for workflows requiring efficient needle access and reliable sealing

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Custom Item Pricing Information

• Please contact Customer Service for formal quotation, lead time, and ordering assistance.

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