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CHEMGLASS Stopper: Polyethylene, 29/26/29/42 Stopper Size, 3.5 in Overall Ht, Yellow - Plastic Stoppers
CHEMGLASSPlastic Stoppers

CHEMGLASS Stopper: Polyethylene, 29/26/29/42 Stopper Size, 3.5 in Overall Ht, Yellow

The CHEMGLASS Stopper: Polyethylene is a plastic stopper designed for laboratory glassware. This yellow polyethylene stopper features a 29/42 size and an overall height of 3.5 inches, with zero holes. It is…

SKU 3G-OTH-387347

Also listed as: CG302104 · CG 3021 04

Brand
CHEMGLASS
Item
Stopper: Polyethylene, 29/26/29/42 Stopper Size, 3.5 in Overall Ht, Yellow
Category
Plastic Stoppers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHEMGLASS
Manufacturer Part Number
CG-3021-04
Type
Yellow
Material
Polyethylene
Color
Yellow
Holes
0
Overall Ht
3.5 in
Stopper Size
29/42

Technical Documents

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

Product Description

The CHEMGLASS Stopper: Polyethylene is a plastic stopper designed for laboratory glassware. This yellow polyethylene stopper features a 29/42 size and an overall height of 3.5 inches, with zero holes. It is identified by manufacturer part number CG-3021-04.

Frequently Asked Questions

What is the CHEMGLASS polyethylene stopper used for?

The CHEMGLASS polyethylene stopper is used to seal laboratory glassware, such as flasks and bottles, preventing contamination or evaporation. Its 29/42 size fits standard ground-glass joints, and the yellow color aids quick identification. 3G Electric supplies this stopper for research, pharmaceutical, and educational labs worldwide.

What are the specifications of the CHEMGLASS CG-3021-04 stopper?

The CHEMGLASS CG-3021-04 stopper is made of yellow polyethylene with a 29/42 stopper size and an overall height of 3.5 inches. It has zero holes, making it a solid seal. The manufacturer part number is CG-3021-04. 3G Electric sources this CHEMGLASS stopper for global laboratory applications.

Where to buy the CHEMGLASS CG-3021-04 stopper worldwide?

You can order the CHEMGLASS CG-3021-04 polyethylene stopper from 3G Electric, which handles full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial equipment distributor since 1990, 3G Electric sources and delivers this CHEMGLASS stopper to laboratories and facilities internationally.

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

To select the correct CHEMGLASS stopper, match the stopper size (e.g., 29/42) to the ground-glass joint size of your lab glassware. The polyethylene material offers chemical resistance and a snug fit. For a solid seal, choose a stopper with zero holes. 3G Electric provides this CHEMGLASS stopper for standard lab applications.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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Stopper: PTFE, 45/50 Stopper Size, 2.75 in Overall Ht, Black, 0 Holes, 1 Stoppers Included (MPN CG-3002-L-45)

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