For Maximum Beaker Diameter For MaximumBeaker Diameter |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Lids for Beakers

Cover beakers or hold small quantities of powders and solutions. These lids are also known as watch glasses.
Plastic lids won't shatter like glass.
For Max. Beaker Dia. | Dia. | Thick. | Color | Max. Temp., °F | Autoclavable | Each | |
PTFE Plastic | |||||||
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1 3/4" | 2" | 0.090" | White | 500° | Yes | 0000000 | 000000 |
2 1/4" | 2 1/2" | 0.090" | White | 500° | Yes | 0000000 | 00000 |
2 7/8" | 3 1/8" | 0.090" | White | 500° | Yes | 0000000 | 00000 |
3 3/8" | 3 7/8" | 0.090" | White | 500° | Yes | 0000000 | 00000 |
3 7/8" | 4 7/8" | 0.090" | White | 500° | Yes | 0000000 | 00000 |
Soda-Lime Glass | |||||||
2 1/4" | 2 3/4" | 0.047" | Clear | 840° | Yes | 0000000 | 0000 |
2 5/8" | 3 1/8" | 0.047" | Clear | 840° | Yes | 0000000 | 0000 |
3" | 3 1/2" | 0.047" | Clear | 840° | Yes | 0000000 | 0000 |
3 1/2" | 4" | 0.047" | Clear | 840° | Yes | 0000000 | 0000 |
4 1/4" | 4 7/8" | 0.047" | Clear | 840° | Yes | 0000000 | 0000 |
5 1/8" | 5 7/8" | 0.047" | Clear | 840° | Yes | 0000000 | 00000 |