Description

Chemglass GL-14, GL-18 Cap with Aperture

The Chemglass GL-14, GL-18 Cap with Aperture is an open-top laboratory cap designed for use with GL-14 and GL-18 screw threads. The cap provides a convenient threaded closure with an aperture for tubing applications and is designed to work with the CG-197 sealing ring.

When combined with the CG-197 sealing ring, this Chemglass cap accommodates tubing of the listed diameter while maintaining a practical connection through GL-14 or GL-18 glass screw threads. Its open-top aperture design makes it useful for laboratory setups requiring tubing access through compatible glassware connections.

Constructed from PBT (thermoplastic polyester), the Chemglass GL-14, GL-18 Cap with Aperture is designed for laboratory applications across a broad temperature range from -45 to 200°C. It is suitable for compatible glassware and tubing configurations where a threaded cap with an aperture is required.

GL-14 & GL-18 Threads Open-Top Aperture PBT Construction -45 to 200°C

Thread Compatibility: GL-14 and GL-18 screw threads — provides compatibility with matching laboratory glassware connections.

Sealing Ring Compatibility: Designed for use with the CG-197 sealing ring — supports tubing connections through the cap aperture.

Temperature Range: -45 to 200°C — supports laboratory applications requiring a wide operating temperature range.

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Why this Chemglass GL-14, GL-18 Cap with Aperture?

GL-14 and GL-18 compatibility — designed for use with compatible GL-14 and GL-18 glass screw threads.
Open-top aperture — provides a practical opening for compatible tubing applications.
CG-197 sealing ring compatibility — the cap works with the CG-197 sealing ring to accommodate tubing of the listed diameter.
PBT construction — made from thermoplastic polyester for laboratory use across the specified temperature range.
Wide temperature capability — withstands temperatures from -45 to 200°C for a broad range of compatible laboratory applications.

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Technical Specifications

Specification	Details
Product Name	Chemglass GL-14, GL-18 Cap with Aperture
Brand	Chemglass
Product Type	Cap with Aperture
Cap Design	Open-Top Cap with Aperture
Thread Compatibility	GL-14 and GL-18 Screw Threads
Thread Type	Glass Screw Thread
Body Material	PBT (Thermoplastic Polyester)
Sealing Ring	CG-197 Sealing Ring
Tubing Compatibility	Accommodates tubing of the listed diameter when used with CG-197 sealing ring
Aperture Function	Tubing Access Through Cap
Maximum Temperature	200°C
Minimum Temperature	-45°C
Temperature Range	-45 to 200°C
Application	Laboratory Glassware and Tubing Connections
Connection Method	Screw-On Glass Thread Connection
Compatible Glassware	Glassware with GL-14 or GL-18 Screw Threads
Seal Configuration	Cap Used with CG-197 Sealing Ring
Cap Material Type	Thermoplastic Polyester
Intended Use	Tubing Connections Through Compatible GL Threaded Glassware

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FAQ

What glass threads are compatible with the Chemglass GL-14, GL-18 Cap with Aperture?

The Chemglass GL-14, GL-18 Cap with Aperture is designed for use with GL-14 and GL-18 glass screw threads.

What sealing ring is used with the Chemglass GL-14, GL-18 Cap with Aperture?

The cap is designed to be used with the CG-197 sealing ring. When combined with the sealing ring, it accommodates tubing of the listed diameter.

What material is the Chemglass GL-14, GL-18 Cap with Aperture made from?

The Chemglass GL-14, GL-18 Cap with Aperture is made from PBT, a thermoplastic polyester.

What temperature range can the Chemglass GL-14, GL-18 Cap with Aperture withstand?

The Chemglass GL-14, GL-18 Cap with Aperture is designed to withstand temperatures from -45 to 200°C.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

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Specifications

GL-14 Aperture:	9.5mm
GL-18 Aperture:	11mm
Brand:	Chemglass
Warranty Term:	1 Year
Return Window:	30 Days
Lead Time:	1-3 Days

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Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

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USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
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Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
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Chemglass GL-14, GL-18 Cap with Aperture

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