Cole-Parmer Watch Glass – Product Description

Cole-Parmer Watch Glass – Product Description

Cole-Parmer Watch Glass – Product Description

Cole-Parmer Watch Glass

Introducing the Cole-Parmer Watch Glass, a must-have accessory for any laboratory. This 90 mm watch glass is designed to fit perfectly on 400 mL beakers, providing a reliable and convenient solution for various applications.

Features and Benefits

Our Cole-Parmer Watch Glass offers several key features and benefits:

1. Perfect Fit

The 90 mm size is specifically designed to fit 400 mL beakers, ensuring a snug and secure fit. This eliminates the risk of spills or contamination during experiments or sample storage.

2. High-Quality Material

Constructed from durable and heat-resistant glass, our watch glass is built to withstand high temperatures and chemical exposure. This ensures long-lasting performance and reliability.

3. Versatile Use

The Cole-Parmer Watch Glass can be used in a wide range of applications, including evaporation, crystallization, and as a cover for beakers during heating or cooling processes. Its versatility makes it an essential tool for any laboratory.

4. Easy to Clean

Cleaning the watch glass is a breeze. Simply rinse it with water or use a mild detergent to remove any residue. Its smooth surface allows for effortless cleaning, saving you time and effort.

Frequently Asked Questions

Q: Can the watch glass be used with other beaker sizes?

A: While the 90 mm watch glass is specifically designed for 400 mL beakers, it can also fit slightly smaller or larger beakers with a similar diameter. However, we recommend using it with the intended size for optimal performance.

Q: Is the watch glass resistant to chemicals?

A: Yes, the Cole-Parmer Watch Glass is made from high-quality glass that is resistant to most chemicals commonly used in laboratories. However, it is always advisable to check the compatibility with specific chemicals before use.

Q: Can the watch glass withstand high temperatures?

A: Absolutely! Our watch glass is designed to withstand high temperatures commonly encountered in laboratory settings. It can be safely used for heating or cooling processes without any risk of cracking or shattering.


The Cole-Parmer Watch Glass is a versatile and essential tool for any laboratory. Its perfect fit, high-quality material, and ease of use make it a reliable choice for various applications. Invest in the Cole-Parmer Watch Glass today and enhance your laboratory experiments and processes.