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WHEATON Cap: 41 mm Dia, Black, Phenolic, Rubber, 38-400 mm Screw Closure Size, Autoclavable - Screw On Caps
WHEATONScrew On Caps

WHEATON Cap: 41 mm Dia, Black, Phenolic, Rubber, 38-400 mm Screw Closure Size, Autoclavable

The WHEATON 41 mm Dia Screw On Cap (MPN W239303) is a black, phenolic, rubber, autoclavable, colored cap with a 38-400 mm screw closure size. 3G Electric interprets customer demand and delivers genuine industrial…

SKU 3G-OTH-641041

Also listed as: W 239303 · W-239303

Brand
WHEATON
Item
Cap: 41 mm Dia, Black, Phenolic, Rubber, 38-400 mm Screw Closure Size, Autoclavable
Category
Screw On Caps
Available to Order
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Worldwide Shipping
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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

WHEATON
Manufacturer Part Number
W239303
Type
Black, Phenolic, Rubber, Autoclavable, Colored
Screw Closure Size
38-400 mm

Technical Documents

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

Product Description

The WHEATON 41 mm Dia Screw On Cap (MPN W239303) is a black, phenolic, rubber, autoclavable, colored cap with a 38-400 mm screw closure size. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the WHEATON 41 mm screw cap used for?

The WHEATON 41 mm screw cap (MPN W239303) seals laboratory bottles and containers. Its phenolic construction with rubber liner provides a reliable, autoclavable closure for media storage, chemical handling, and sample transport in pharmaceutical, biotech, and research settings.

What are the specifications of the WHEATON W239303 cap?

The WHEATON W239303 cap has a 41 mm diameter, black phenolic body with rubber liner, and a 38-400 mm screw closure size. It is autoclavable, colored, and designed for screw-on application. 3G Electric supplies this genuine WHEATON part globally.

Where to buy WHEATON W239303 caps worldwide?

3G Electric supplies the WHEATON W239303 cap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team to place an order or request a quote for this black phenolic screw cap.

How to select the correct WHEATON screw cap for a bottle?

Match the cap's screw closure size (38-400 mm) to your bottle's neck finish. Verify the cap diameter (41 mm) and material compatibility — phenolic with rubber liner suits autoclavable applications. 3G Electric can help confirm fitment for your specific container.

Used in

Common applications for WHEATON
Environmental testing laboratories — WHEATON BOD bottles (SKU 48H604) for biochemical oxygen demand analysis of water samples.
Pharmaceutical compounding — WHEATON rectangular glass lab bottles (SKU 48H782) for storing liquid reagents and intermediates.
Cryogenic sample storage — WHEATON fiberboard cold storage boxes (SKU 6EMW3) for organizing vials in liquid nitrogen freezers.
Analytical chemistry — WHEATON glass scintillation vials (SKU 48H848) for liquid scintillation counting of radioactive samples.
Industrial quality control — WHEATON bottle top dispensers (SKU 23NC18) for dispensing precise volumes of solvents or acids.
Laboratory organization — WHEATON paper index cards (SKU 49WE10) for labeling and tracking samples in storage racks.

WHEATON Products

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

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