RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For Maximum Beaker Diameter For MaximumBeaker Diameter |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Stretchable Sealing Caps
Tug on the pull tabs to stretch these caps onto the tips of bottles, beakers, flasks, and cylinders, creating an airtight seal. They’re flexible for a snug fit. Made of silicone, these caps withstand chemicals in high temperature applications up to 350° F, though they will swell if exposed to a solvent for too long. You can label and write on them with markers.
| For OD | Max. Temp. | Color | Pkg. Qty. | Pkg. | |
Flexible Silicone Rubber | |||||
|---|---|---|---|---|---|
| 1 11/16"-2 3/8" | 350° F | Blue | 1 | 0000000 | 00000 |
| 1 11/16"-2 3/8" | 350° F | Green | 1 | 0000000 | 0000 |
| 1 11/16"-2 3/8" | 350° F | Pink | 1 | 0000000 | 0000 |
| 2 1/2"-3" | 350° F | Blue | 1 | 0000000 | 0000 |
| 2 1/2"-3" | 350° F | Green | 1 | 0000000 | 0000 |
| 2 1/2"-3" | 350° F | Pink | 1 | 0000000 | 0000 |
| 3 5/16"-4 9/16" | 350° F | Blue | 1 | 0000000 | 0000 |
| 3 5/16"-4 9/16" | 350° F | Green | 1 | 0000000 | 0000 |
| 3 5/16"-4 9/16" | 350° F | Pink | 1 | 0000000 | 0000 |
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 | |||||||
|---|---|---|---|---|---|---|---|
| 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 |