We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CHEMGLASS Stopper: PTFE, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes - Plastic Stoppers
CHEMGLASSPlastic Stoppers

CHEMGLASS Stopper: PTFE, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes

The CHEMGLASS Stopper is a PTFE plastic stopper with a 45/50 size, designed for laboratory or industrial sealing applications. This black stopper has an overall height of 2.75 inches, features 0 holes, and includes 1…

SKU 3G-OTH-387348

Also listed as: CG3002L45 · CG 3002 L 45

Brand
CHEMGLASS
Item
Stopper: PTFE, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes
Category
Plastic Stoppers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
CG-3002-L-45
Type
Black
Material
PTFE
Color
Black
Holes
0
Overall Ht
2.75 in
Stopper Size
45/50
Stoppers Included
1

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CHEMGLASS Stopper is a PTFE plastic stopper with a 45/50 size, designed for laboratory or industrial sealing applications. This black stopper has an overall height of 2.75 inches, features 0 holes, and includes 1 stopper per unit (MPN CG-3002-L-45).

Frequently Asked Questions

What is the CHEMGLASS PTFE stopper used for?

The CHEMGLASS PTFE stopper is used for sealing laboratory glassware and industrial vessels. Its 45/50 size fits standard taper joints, providing a leak-resistant closure for chemical reactions, storage, or vacuum applications. PTFE material offers chemical resistance and non-stick properties.

What are the specifications of the CHEMGLASS CG-3002-L-45 stopper?

The CHEMGLASS CG-3002-L-45 stopper is made of PTFE, black in color, with a 45/50 stopper size and an overall height of 2.75 inches. It has 0 holes and includes 1 stopper per unit. The PTFE material provides broad chemical compatibility and temperature resistance up to 260 °C.

Where to buy CHEMGLASS stoppers in worldwide?

CHEMGLASS stoppers are available to order through 3G Electric, a global industrial equipment distributor. We source and deliver this product worldwide, handling full logistics and customs clearance. Contact 3G Electric for pricing and lead time on delivery to your location.

How to select the right CHEMGLASS PTFE stopper size?

To select the right CHEMGLASS PTFE stopper, match the stopper size (e.g., 45/50) to your glassware's standard taper joint. The 45/50 size fits joints with a 45 mm top diameter and 50 mm length. Ensure the stopper material (PTFE) is compatible with your chemicals and temperature range.

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.

CHEMGLASS Products

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Stopper: PTFE, 29/42 Stopper Size, 1.5 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-29)
CHEMGLASS
Stopper: PTFE, 29/42 Stopper Size, 1.5 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-29)
Stopper: PTFE, 22 Stopper Size, 1 in Overall Ht, Yellow, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-05)
CHEMGLASS
Stopper: PTFE, 22 Stopper Size, 1 in Overall Ht, Yellow, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-05)
Stopper: PTFE, 19 Stopper Size, 2 in Overall Ht, Green, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-04)
CHEMGLASS
Stopper: PTFE, 19 Stopper Size, 2 in Overall Ht, Green, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-04)
Stopper: Polyethylene, 29/26/29/42 Stopper Size, 3.5 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-04)
CHEMGLASS
Stopper: Polyethylene, 29/26/29/42 Stopper Size, 3.5 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-04)

More from CHEMGLASS

View all CHEMGLASS parts
Stopper: Polyethylene, 24/25/24/40 Stopper Size, 2 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-03)
CHEMGLASS
Stopper: Polyethylene, 24/25/24/40 Stopper Size, 2 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-03)
Stopper: Polyethylene, 19/22 Stopper Size, 2.25 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-02)
CHEMGLASS
Stopper: Polyethylene, 19/22 Stopper Size, 2.25 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-02)
Stopper: PTFE, 13 Stopper Size, 1.25 in Overall Ht, Orange, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-02)
CHEMGLASS
Stopper: PTFE, 13 Stopper Size, 1.25 in Overall Ht, Orange, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-02)
Stopper: PTFE, 24/40 Stopper Size, 1.25 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-24)
CHEMGLASS
Stopper: PTFE, 24/40 Stopper Size, 1.25 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-24)
Stopper: PTFE, 9 Stopper Size, 0.5 in Overall Ht, Black/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-01)
CHEMGLASS
Stopper: PTFE, 9 Stopper Size, 0.5 in Overall Ht, Black/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-01)
Stopper: PTFE, 16 Stopper Size, 1.25 in Overall Ht, Blue/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-03)
CHEMGLASS
Stopper: PTFE, 16 Stopper Size, 1.25 in Overall Ht, Blue/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-03)
Stopper: Polyethylene, 14/20 Stopper Size, 3.25 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-01)
CHEMGLASS
Stopper: Polyethylene, 14/20 Stopper Size, 3.25 in Overall Ht, Yellow, 0 Holes (MPN CG-3021-01)
Stopper: PTFE, 27 Stopper Size, 1.25 in Overall Ht, Red/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-06)
CHEMGLASS
Stopper: PTFE, 27 Stopper Size, 1.25 in Overall Ht, Red/White, 0 Holes, 1 Stoppers Included (MPN CG-3020-A-06)