Watch Glass – 100mm (Polished, Ground Edges)

The 100 mm Watch Glass is a versatile and durable piece of laboratory glassware, ideal for use in school science lessons and laboratory settings. Manufactured from high‑quality soda‑lime glass, this watch glass features polished surfaces and ground edges for safe, comfortable handling by students.

With its shallow, concave shape, the watch glass is designed for a wide range of practical applications, including holding small samples, covering beakers and flasks, and evaporating small volumes of liquid. Its 100 mm diameter makes it suitable for both individual student use and teacher demonstrations.

Constructed with a 2.0 mm thickness, this watch glass is robust and resistant to shattering, ensuring reliability and longevity in busy classroom environments.

Key Features

• 100 mm diameter watch glass
• Manufactured from soda‑lime glass
• Polished surface for clear visibility of samples
• Ground edges for improved safety and handling
• 2.0 mm thick construction for added durability
• Reusable and easy to clean
• Suitable for classroom and laboratory use

Ideal for School Science Lessons

Suitable for KS3, KS4, and A‑Level science, the 100 mm watch glass supports a wide variety of practical activities across chemistry and biology lessons.

• Holding small solid or liquid samples for observation
• Covering beakers and flasks to prevent contamination or splashing
• Evaporating liquids during separation and crystallisation experiments
• Growing seed crystals in chemistry investigations
• Forming simple liquid or ice lenses for optical demonstrations
• Observing specimens under a low‑power microscope

Strong, safe, and highly versatile, the 100 mm Watch Glass is an essential laboratory item that supports accurate practical work while helping students develop confidence with core scientific equipment.