Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
CHEMGLASS Polyethylene Stopper, 19/22, Yellow - Plastic Stoppers
CHEMGLASSPlastic Stoppers

CHEMGLASS Polyethylene Stopper, 19/22, Yellow

The CHEMGLASS CG-3021-02 is a yellow polyethylene plastic stopper with a 19/22 stopper size and a 2.25-inch overall height. It features zero holes and is made from polyethylene.

SKU 3G-OTH-387343

Also listed as: CG302102 · CG 3021 02

Brand
CHEMGLASS
Item
Polyethylene Stopper, 19/22, Yellow
Part Number
CG-3021-02
Category
Plastic Stoppers
Available to Order
Also known as:CG-3021-02CHEMGLASS
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

CHEMGLASS
Manufacturer Part Number
CG-3021-02
Material
Polyethylene
Color
Yellow
Stopper Size
19/22

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 CG-3021-02 is a yellow polyethylene plastic stopper with a 19/22 stopper size and a 2.25-inch overall height. It features zero holes and is made from polyethylene.

Frequently Asked Questions

What is the CHEMGLASS CG-3021-02 stopper used for?

The CHEMGLASS CG-3021-02 is a solid polyethylene stopper used to seal laboratory glassware such as flasks and test tubes. Its 19/22 size fits standard taper joints, and the yellow color aids quick identification. It is suitable for general-purpose lab applications requiring a non-reactive, chemically resistant seal.

What are the specifications of the CHEMGLASS CG-3021-02 stopper?

The CHEMGLASS CG-3021-02 stopper has a 19/22 stopper size, a 2.25-inch overall height, and is made of yellow polyethylene with zero holes. It is designed for standard taper glassware joints and provides a tight, inert seal for laboratory use.

Where to buy the CHEMGLASS CG-3021-02 stopper worldwide?

3G Electric supplies the CHEMGLASS CG-3021-02 stopper to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time; we source genuine CHEMGLASS parts across our global supply network.

How to select the right size CHEMGLASS stopper for lab glassware?

To select the correct CHEMGLASS stopper, match the stopper size (e.g., 19/22) to the standard taper joint size of your glassware. The CG-3021-02 fits 19/22 joints. Ensure the material—polyethylene in this case—is compatible with your chemicals and temperature range. Always verify dimensions like overall height for proper fit.

Used in

Common applications for CHEMGLASS
Pharmaceutical research — Chemglass micro stir bars (e.g., CG-2003-10) for mixing small-volume drug formulations in vials.
Analytical chemistry — PTFE stir bars (e.g., CG-2003-18) for sample preparation in cuvettes and microplates.
Biotechnology — Autoclavable Chemglass stir bars (e.g., CG-2003-15) for sterile mixing in cell culture media.
Chemical synthesis — Chemglass glassware and stir bars for bench-scale reactions in round-bottom flasks.
Quality control laboratories — Micro stir bars (e.g., CG-2003-17) for homogeneity testing of liquid samples.
Environmental testing — PTFE stir bars (e.g., CG-2003-12) for mixing water samples in trace analysis.
Not sure this is the right part? Photo-identify it→

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 →

More from CHEMGLASS

View all CHEMGLASS parts →
Yellow polyethylene stopper with a 14/20 taper, 3.25-inch overall height, and no holes. Used to seal standard-taper glass joints on flasks, condensers, and reaction vessels, preventing contamination and evaporation during chemical experiments and sample storage
CHEMGLASS
Yellow polyethylene stopper with a 14/20 taper, 3.25-inch overall height, and no holes. Used to seal standard-taper glass joints on flasks, condensers, and reaction vessels, preventing contamination and evaporation during chemical experiments and sample storage
Orange PTFE stopper with size 13 and overall height of 1.25 inches. Solid design with no holes. Suitable for sealing laboratory glassware such as flasks and burettes in general lab applications
CHEMGLASS
Orange PTFE stopper with size 13 and overall height of 1.25 inches. Solid design with no holes. Suitable for sealing laboratory glassware such as flasks and burettes in general lab applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first