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

CHEMGLASS Stopper: PTFE, 19 Stopper Size, 2 in Overall Ht, Green, 0 Holes - Plastic Stoppers
CHEMGLASSPlastic Stoppers

CHEMGLASS Stopper: PTFE, 19 Stopper Size, 2 in Overall Ht, Green, 0 Holes

The CHEMGLASS Stopper: PTFE is a plastic stopper with a 19 stopper size, made from PTFE material in green. It has a 2-inch overall height, includes 1 stopper, and features 0 holes. This product is identified by…

SKU 3G-OTH-387359

Also listed as: CG3020A04 · CG 3020 A 04

Brand
CHEMGLASS
Item
Stopper: PTFE, 19 Stopper Size, 2 in Overall Ht, Green, 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-3020-A-04
Type
Green
Material
PTFE
Color
Green
Holes
0
Overall Ht
2 in
Stopper Size
19
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: PTFE is a plastic stopper with a 19 stopper size, made from PTFE material in green. It has a 2-inch overall height, includes 1 stopper, and features 0 holes. This product is identified by manufacturer part number CG-3020-A-04.

Frequently Asked Questions

What is the CHEMGLASS PTFE stopper used for?

The CHEMGLASS PTFE stopper is used to seal laboratory glassware such as flasks and columns. Its PTFE material provides chemical resistance and a non-stick surface, making it suitable for use with aggressive solvents and high-purity applications in research, pharmaceutical, and analytical labs.

What are the specifications of the CHEMGLASS CG-3020-A-04 stopper?

The CHEMGLASS CG-3020-A-04 stopper has a 19 stopper size, is made of green PTFE, and has a 2-inch overall height. It includes 1 stopper with 0 holes. The manufacturer part number is CG-3020-A-04, and the brand is CHEMGLASS.

Where to buy CHEMGLASS stoppers worldwide?

You can source CHEMGLASS stoppers worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the CG-3020-A-04 or other CHEMGLASS labware.

How to select the right CHEMGLASS PTFE stopper size?

To select the right CHEMGLASS PTFE stopper, match the stopper size number (e.g., 19) to the joint size of your glassware. The green color indicates PTFE material, which resists chemicals and high temperatures. Ensure the stopper has the correct number of holes (0 for solid) and overall height for your application.

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, 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, 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, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-45)
CHEMGLASS
Stopper: PTFE, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-45)
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, 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: 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: 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)