PTFE Watch Glass

This laboratory watch glass is manufactured from PTFE
(polytetrafluoroethylene) and can be used as a beaker cover,
evaporating dish or general laboratory container.
PTFE provides excellent chemical resistance and is suitable for
handling many acids, alkalis and corrosive chemical solutions.
Eight diameters are available, ranging from 50 mm to 180 mm.
Product Specifications
| Product Type | Laboratory watch glass |
| Material | PTFE (Polytetrafluoroethylene) |
| Color | White |
| Available Diameters | 50, 60, 70, 80, 90, 100, 120 and 180 mm |
| Design | Shallow circular dish |
| Chemical Resistance | Broad resistance to many laboratory acids, alkalis and chemical solutions |
Available Models
Select the required diameter from the options below.
| Diameter | Suggested SKU | Material |
|---|---|---|
| 50 mm | PTFE-WATCH-50MM | PTFE |
| 60 mm | PTFE-WATCH-60MM | PTFE |
| 70 mm | PTFE-WATCH-70MM | PTFE |
| 80 mm | PTFE-WATCH-80MM | PTFE |
| 90 mm | PTFE-WATCH-90MM | PTFE |
| 100 mm | PTFE-WATCH-100MM | PTFE |
| 120 mm | PTFE-WATCH-120MM | PTFE |
| 180 mm | PTFE-WATCH-180MM | PTFE |
Key Features
- PTFE construction for laboratory chemical handling
- Broad resistance to many acids, alkalis and corrosive chemicals
- Can be used as a watch glass, beaker cover or shallow evaporating dish
- Smooth PTFE surface for convenient laboratory cleaning
- Eight diameters available from 50 to 180 mm
Typical Applications
- Covering laboratory beakers
- Evaporation of small liquid samples
- Sample preparation
- Acid and alkali handling
- Chemical laboratory experiments
- General laboratory containment
Important:
Confirm chemical compatibility and the permitted operating
temperature before use. Select a suitable diameter according
to the laboratory vessel or application requirements.















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