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CHEMGLASS Snap Cap, Black PTFE, 8-425 mm, Autoclavable, Septa Included - Snap On Bottle Caps
CHEMGLASSSnap On Bottle Caps

CHEMGLASS Snap Cap, Black PTFE, 8-425 mm, Autoclavable, Septa Included

The CHEMGLASS Closure: 8 mm Dia is a black, opaque snap-on bottle cap with a narrow mouth size and a screw closure size of 8-425 mm. It includes a PTFE closure liner and septa, is non-vented, and is autoclavable…

SKU 3G-OTH-376788

Also listed as: CV38400008 · CV 3840 0008

Brand
CHEMGLASS
Item
Snap Cap, Black PTFE, 8-425 mm, Autoclavable, Septa Included
Part Number
CV-3840-0008
Category
Snap On Bottle Caps
Available to Order
Also known as:CV-3840-0008CHEMGLASS
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHEMGLASS
Manufacturer Part Number
CV-3840-0008
Type
Black, PTFE, Autoclavable, Septa Included, Opaque
Vented
No
Clarity
Opaque
Mouth Size
Narrow
Closure Type
Snap-On
Product Type
Snap Cap
Closure Color
Black
Septa Included
Yes
Screw Closure Size
8-425 mm
Closure Liner Material
PTFE

Technical Documents

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CHEMGLASS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHEMGLASS Closure: 8 mm Dia is a black, opaque snap-on bottle cap with a narrow mouth size and a screw closure size of 8-425 mm. It includes a PTFE closure liner and septa, is non-vented, and is autoclavable. This snap cap is designed for use with CHEMGLASS laboratory bottles.

Frequently Asked Questions

What is the CHEMGLASS CV-3840-0008 snap cap used for?

The CHEMGLASS CV-3840-0008 snap cap is used to seal narrow-mouth laboratory bottles. It includes a PTFE liner and septa, is autoclavable, and provides a secure, non-vented closure for sample storage or chemical handling in analytical and research settings.

What are the specifications of the CHEMGLASS CV-3840-0008 closure?

The CHEMGLASS CV-3840-0008 is a black, opaque snap-on cap with a screw closure size of 8-425 mm. It includes a PTFE liner and septa, is non-vented, and is autoclavable. The closure type is snap-on, designed for narrow-mouth bottles.

Where to buy CHEMGLASS CV-3840-0008 snap caps worldwide?

3G Electric supplies the CHEMGLASS CV-3840-0008 snap cap worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this PTFE-lined, autoclavable closure to laboratories and facilities internationally.

How to install the CHEMGLASS CV-3840-0008 snap cap?

To install the CHEMGLASS CV-3840-0008 snap cap, align the cap over the narrow bottle mouth and press down firmly until it snaps into place. Ensure the PTFE liner and septa are properly seated. The cap is non-vented and autoclavable, so follow standard lab autoclave procedures.

Used in

Common applications for CHEMGLASS
Pharmaceutical quality control — CHEMGLASS NMR tubes (C-S-5-500-7A) for structural analysis of active compounds.
Environmental sample storage — CHEMGLASS amber vials (CV-1055-1232) for light-sensitive water or soil extracts.
Organic synthesis — CHEMGLASS distilling flasks (CG-1512-59) for solvent purification and reaction setups.
Laboratory apparatus assembly — CHEMGLASS clamps (CG-9205-04) for securing condensers and flasks on support frames.
Sample preparation for chromatography — CHEMGLASS vials (CG-4900-06) with PTFE closures for HPLC or GC autosamplers.
Mixing and homogenization — CHEMGLASS PTFE stirring bars (CG-2005-30) for magnetic stirring in beakers or flasks.
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CHEMGLASS Products

3G Electric supplies CHEMGLASS snap on bottle caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
GLOBE SCIENTIFIC
GLOBE SCIENTIFIC
These colorless polyethylene snap-on caps are designed for 16 mm diameter laboratory bottle openings. They are unlined and non-vented, providing a simple closure for general lab storage and sample handling. Each pack includes 1,000 closures
GLOBE SCIENTIFIC
GLOBE SCIENTIFIC
These snap-on bottle caps are made of colorless translucent polyethylene and are unlined. Each pack contains 1,000 closures. Suitable for sealing laboratory containers for sample storage, mixing, and transport
GLOBE SCIENTIFIC
GLOBE SCIENTIFIC
These snap caps are designed for sealing laboratory bottles and vials with a 13 mm diameter opening. Made of gray polyethylene, they are unlined and non-vented, suitable for general-purpose closure applications where a septum or venting is not required. Each pack contains 1,000 closures

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