The flat bottom allows the flask to stand upright without support making them suitable for use on a hotplate. Length l in the table refers to the flask neck length.

Key Features

• Complies with ISO 4797 and ISO 1773
• Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
• The flat base allows use with hotplates
• FF150/3S, FF150/4S, FF150/5S and FF500/2S are supplementary to ISO 4797.
• Note: These flasks are not suitable for use under a positive or negative pressure

The flat bottom allows the flask to stand upright without support making them suitable for use on a hotplate. Length l in the table refers to the flask neck length.

Key Features

• Complies with ISO 4797 and ISO 1773
• Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
• The flat base allows use with hotplates
• FF150/3S, FF150/4S, FF150/5S and FF500/2S are supplementary to ISO 4797.
• Note: These flasks are not suitable for use under a positive or negative pressure