Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

WHEATON Cap: 41 mm Dia, White, Polypropylene, 38-400 mm Screw Closure Size, 72 Closures Included - Screw On Caps
WHEATONScrew On Caps

WHEATON Cap: 41 mm Dia, White, Polypropylene, 38-400 mm Screw Closure Size, 72 Closures Included

The WHEATON 41 mm Dia Screw-On Cap (MPN 239285) is a white, opaque polypropylene screw-on cap with a 38-400 mm screw closure size, supplied in packs of 72 closures.

SKU 3G-OTH-641044

Brand
WHEATON
Item
Cap: 41 mm Dia, White, Polypropylene, 38-400 mm Screw Closure Size, 72 Closures Included
Category
Screw On Caps
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

Technical Specifications

WHEATON
Manufacturer Part Number
239285
Type
White, Polypropylene, Opaque
Closures Included
72
Screw Closure Size
38-400 mm
View Full Spec Sheet

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

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

Product Description

The WHEATON 41 mm Dia Screw-On Cap (MPN 239285) is a white, opaque polypropylene screw-on cap with a 38-400 mm screw closure size, supplied in packs of 72 closures.

Frequently Asked Questions

What is the WHEATON 41 mm screw-on cap used for?

The WHEATON 41 mm screw-on cap (MPN 239285) seals glass or plastic containers with a 38-400 mm neck finish. It is commonly used in laboratory, pharmaceutical, and chemical storage applications where a secure, opaque polypropylene closure is required to protect contents from light and contamination.

What are the specifications of the WHEATON 239285 cap?

The WHEATON 239285 cap has a 41 mm diameter, white opaque polypropylene construction, and a 38-400 mm screw closure size. It is a screw-on cap with no liner or septum, supplied in a pack of 72 closures. The manufacturer part number is 239285.

Where to buy WHEATON 239285 caps worldwide?

3G Electric supplies the WHEATON 239285 cap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this polypropylene screw-on cap.

How to select the right WHEATON cap for a 38-400 mm bottle?

To select the correct WHEATON cap for a 38-400 mm bottle, verify the neck finish size matches 38-400 mm. The 239285 cap is a white opaque polypropylene screw-on closure. Ensure the cap material is compatible with your container's contents and that no liner or septum is required for your application.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from WHEATON

View all WHEATON parts
Cap: 27 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 24-400 mm Screw Closure Size, Opaque (MPN 239233). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 24-400 mm; attr1371386: WHEATON; attr1371387: White.
WHEATON
Cap: 27 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 24-400 mm Screw Closure Size, Opaque (MPN 239233). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 24-400 mm; attr1371386: WHEATON; attr1371387: White.
Cap: 25 mm Dia, White, Polypropylene, 22-400 mm Screw Closure Size, 200 Closures Included, Opaque (MPN 242218). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 22-400 mm; attr1371386: WHEATON; attr1371387: White.
WHEATON
Cap: 25 mm Dia, White, Polypropylene, 22-400 mm Screw Closure Size, 200 Closures Included, Opaque (MPN 242218). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 22-400 mm; attr1371386: WHEATON; attr1371387: White.
Cap: 11 mm Dia, Black, Polypropylene, PTFE/Silicone, 9 mm Screw Closure Size, Autoclavable, Colored (MPN W225332-0201). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371380: Narrow; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 9 mm; attr1371386: WHEATON.
WHEATON
Cap: 11 mm Dia, Black, Polypropylene, PTFE/Silicone, 9 mm Screw Closure Size, Autoclavable, Colored (MPN W225332-0201). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371380: Narrow; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 9 mm; attr1371386: WHEATON.
Cap: 11 mm Dia, Yellow, Polypropylene, PTFE/Silicone, 9 mm Screw Closure Size, Autoclavable, Colored (MPN W225332-0205). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371380: Narrow; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 9 mm; attr1371386: WHEATON.
WHEATON
Cap: 11 mm Dia, Yellow, Polypropylene, PTFE/Silicone, 9 mm Screw Closure Size, Autoclavable, Colored (MPN W225332-0205). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371380: Narrow; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 9 mm; attr1371386: WHEATON.
Cap: 73 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 70-400 mm Screw Closure Size, Opaque (MPN 239244). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 70-400 mm; attr1371386: WHEATON; attr1371387: White.
WHEATON
Cap: 73 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 70-400 mm Screw Closure Size, Opaque (MPN 239244). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 70-400 mm; attr1371386: WHEATON; attr1371387: White.
Cap: 60 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 58-400 mm Screw Closure Size, Opaque (MPN 239242). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371380: Wide; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 58-400 mm; attr1371386: WHEATON.
WHEATON
Cap: 60 mm Dia, White, Polypropylene, PTFE Faced Polyethylene, 58-400 mm Screw Closure Size, Opaque (MPN 239242). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371380: Wide; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 58-400 mm; attr1371386: WHEATON.
Cap: 25 mm Dia, Black, Phenolic, Rubber, 22-400 mm Screw Closure Size, Autoclavable, Colored (MPN W239299). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 22-400 mm; attr1371386: WHEATON; attr1371387: Black.
WHEATON
Cap: 25 mm Dia, Black, Phenolic, Rubber, 22-400 mm Screw Closure Size, Autoclavable, Colored (MPN W239299). Key specifications — attr1371373: Screw-On; attr1389411: Colored; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 22-400 mm; attr1371386: WHEATON; attr1371387: Black.
Cap: 51 mm Dia, White, Polypropylene, 48-400 mm Screw Closure Size, 72 Closures Included, Opaque (MPN 239288). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 48-400 mm; attr1371386: WHEATON; attr1371387: White.
WHEATON
Cap: 51 mm Dia, White, Polypropylene, 48-400 mm Screw Closure Size, 72 Closures Included, Opaque (MPN 239288). Key specifications — attr1371373: Screw-On; attr1389411: Opaque; attr1371381: Screw-On Cap; attr1371382: No; attr1371384: No; attr1371385: 48-400 mm; attr1371386: WHEATON; attr1371387: White.