CUSTOM ITEM: Septa, 20mm, Headspace, Clear Silicone Rubber / White PTFE. For use in 20mm Crimp Caps, sold separately. BASIK Brand. 1000/CS.
Additional Info:
The 96020-1X-5010 BASIK Headspace Septa are a made‑to‑order configuration designed for use with 20 mm crimp‑top headspace caps (sold separately). These septa feature clear silicone rubber bonded with white PTFE, providing balanced durability, good chemical inertness, and reliable sealing performance.
Constructed with a layered format (50 mil silicone / 10 mil PTFE, total 60 mil), these septa offer controlled barrier protection and mechanical stability, making them suitable for routine to higher‑temperature GC headspace applications.
Custom Order Item – Critical Notice
🚨 Made‑to‑order product
Non‑returnable and non‑cancelable once ordered
May require:
Lead time
Availability confirmation
✅ Recommended for validated workflows requiring specific thickness or layered construction
Designed for 20 mm Crimp Caps
Diameter: 20 mm septa
Compatible with:
20 mm aluminum or steel crimp caps (sold separately)
✅ Ensures:
Proper fit
Reliable sealing performance
Layered Silicone/PTFE Construction – Balanced Barrier & Durability
Clear silicone rubber / white PTFE
Construction:
50 mil silicone layer
10 mil PTFE layer (total 60 mil thickness)
Provides:
Good chemical inertness
Mechanical strength
Controlled permeability
✅ Suitable for:
routine GC headspace methods
higher‑temperature analytical workflows
Septa Characteristics – Durable & Functional
Layered design provides:
Consistent performance
Controlled needle penetration
Good resealing after puncture
✅ Ideal for repeat injection workflows
Wide Temperature Range – Headspace Ready
Operating range:
-60°C to 200°C
✅ Suitable for:
Heated headspace GC
VOC and semi‑volatile analysis
Moderate to elevated temperature methods
Sealing Performance – Reliable & Repeatable
Silicone layer provides:
Elastic sealing
PTFE layer provides:
Chemical resistance
Reduced interaction with analytes
✅ Ensures consistent analytical results
Bulk Packaging – High Throughput Efficiency
1000 septa per case
Supplied in:
Polyethylene bags
Designed for:
High‑volume laboratories
Routine and production environments
✅ Improves:
Inventory efficiency
Workflow continuity
Performance Positioning – Layered Silicone/PTFE Option
Compared to fully laminated PTFE (both sides):
✅ More economical
Compared to pure silicone:
✅ Improved chemical resistance
Compared to thicker or softer septa:
✅ Balanced penetration and durability
✅ Ideal for:
routine QC labs
moderate sensitivity workflows
cost‑balanced applications
Typical Applications
Headspace GC analysis
Pharmaceutical QA/QC
Environmental testing
Food and flavor analysis
Routine laboratory workflows
Important Usage Notes
Designed for:
20 mm crimp caps (sold separately)
Ensure:
Proper insertion and alignment before crimping
✅ Best suited for:
balanced performance headspace GC workflows
🚨 Made‑to‑Order & Pricing Information
This is a custom, made‑to‑order item.