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    What People Are Saying

    Recomended stopper not a good idea.
  • Terry
  • 02/02/2017
  • There was nothing wrong with the flask. The #8 stopper that they recommend is not the correct one for this Flask. It is supposed to have a #7 stopper as noted right on the flask. The #8 fits very poorly and could be a safety concern. [HST adds: At this time the #8 stoppers are the closest size that we carry since this flask is the only item we carry that requires it. However based on customer feedback like this we will be carrying the #7 stoppers in stock soon.]
    Works great
  • Dan
  • 12/18/2014
  • I use this to make colodial silver and it works great.
    amazing
  • Helen
  • 07/02/2014
  • this flask is very strong

    reward points

    PYREX Erlenmeyer Flask, 500 ml

    Ages 8+

    Item# CE-FLAS500

    $7.95 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    This 500 ml PYREX® narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame. PYREX® Erlenmeyer flasks are made to ASTM E14040 specifications for general laboratory use such as mixing, heating, and cooling.

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    PRICE $7.95 $7.55
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    • Product Details

      PYREX Erlenmeyer Flask, 500 ml

      This 500 ml PYREX® narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame. PYREX® Erlenmeyer flasks are made to ASTM E14040 specifications for general laboratory use such as mixing, heating, and cooling. The graduations are approximate and not intended for accurate liquid measurement. The Pyrex® brand is known for consistent high quality and their Erlenmeyer flasks are used in professional laboratories throughout the world. Use a #7 stopper for this glass flask.

      Order Home Science Tools flasks for comparable functionality at a lower price.

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