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Erlenmeyer Flask with Joint (ASTM Standard)

The Erlenmeyer Flask with Joint (ASTM Standard) is a heavy‑duty conical flask made from borosilicate 3.3 glass and fitted with a precision ground (standard taper) joint for secure, leak‑resistant connections in chemical handling and lab setups. Designed for smooth mixing, heating, and short‑term storage, its conical profile helps reduce splashing during swirling while the flat bottom improves bench stability.

SKU: EFJ-0250-2440 Categories: , , Brand: Product ID: 21001

Description

Erlenmeyer Flask with Joint (ASTM Standard) – Borosilicate 3.3 Ground Joint Conical Flask
Capacity (mL)Joint SizePack ofSKUEnquiry
1014/202EFJ-0010-1420Enquire Now
2514/202EFJ-0025-1420Enquire Now
5014/202EFJ-0050-1420Enquire Now
5019/382EFJ-0050-1938Enquire Now
5024/402EFJ-0050-2440Enquire Now
12519/222EFJ-0125-1922Enquire Now
12524/402EFJ-0125-2440Enquire Now
25024/402EFJ-0250-2440Enquire Now
30024/402EFJ-0300-2440Enquire Now
50024/402EFJ-0500-2440Enquire Now
100024/401EFJ-1000-2440Enquire Now
200024/401EFJ-2000-2440Enquire Now

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    Frequently Asked Questions (FAQs)

    What is an Erlenmeyer flask with joint (ASTM standard)?

    It’s a conical (Erlenmeyer) flask made to ASTM dimensional requirements and fitted with a standard taper ground glass joint for connecting to compatible lab glassware.

    What is the advantage of a ground glass joint?
    A standard ground joint provides a tight, leak‑resistant connection for assemblies such as adapters, condensers, addition funnels, and other jointed components.
    What do joint sizes like 14/20 or 24/40 mean?
    In standard taper joint labeling, the first number indicates the outer diameter (mm) at the top of the inner joint, and the second indicates the ground glass length (mm).
    Are joints like 24/29 and 24/40 interchangeable?
    They share the same taper and diameter, but the joint length differs (29 mm vs 40 mm), so compatibility can vary by setup and required engagement length.
    Is this flask suitable for heating and reflux setups?
    Yes—jointed Erlenmeyer flasks are commonly used in heated reactions and reflux assemblies when connected with compatible ground‑joint glassware.

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