Cylindrical Test Tube, manufactured from high quality polystyrene. PS Tubes are not autoclavable or dishwasher safe but are chemically resistant and clear like glass. Polystyrene has the properties of glass but at a much lower price point. Since polystyrene is not as hard as glass it will have minor scratches. Plastic Flange Caps have two flexible flanges to help ensure a leak proof seal.
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Item Name |
Price |
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| 400I2 |
40x197mm Test Tubes, PS Plastic, Round Btm, 200ml Vol, Natural, Karter Scientific 400I2 (Pack 25) |
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| 400I1 |
40x197mm Test Tubes, PS Plastic, Round Btm, 200ml Vol, Natural, Karter Scientific 400I1 (Case 200) |
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| 402V2 |
40x197mm Test Tubes, PS Plastic, Round Btm, 200ml Vol, With 40mm Plastic Cap, Natural, Karter Scientific 402V2 (Pack 5) |
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| 402V1 |
40x197mm Test Tubes, PS Plastic, Round Btm, 200ml Vol, With 40mm Plastic Cap, Natural, Karter Scientific 402V1 (Case 200) |
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Technical Specifications:
Polystyrene (PS) is a polymer made from the monomer styrene, a liquid hydrocarbon that is commercially manufactured from petroleum. At room temperature, polystyrene is normally a solid thermoplastic, but can be melted at higher temperature for molding or extrusion, then resolidified. Styrene is an aromatic monomer, and polystyrene is an aromatic polymer.
Physical Properties:
| Max Use Temperture | 70º C / 158º F | | Brittleness Temperture | 20º C / 68º F | | Transparency | Transparent | | Autoclaving | No | | Sterilization Gas | Yes | | Dry Heat | No | | Disinfectants | Some | | Specific Gravity | 1.05 | | Gravity Flexibility | Rigid |
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