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Lab watch glasses are essential for protecting your eyes during scientific experiments and potentially hazardous tasks. Ensuring you have the right pair means prioritizing safety without compromising comfort or vision. A well-chosen pair offers reliable defense and allows you to focus on your work with confidence.
【6 Different Sizes】Our watch glasses come in 6 different sizes: 50mm,70mm,90mm ,100mm,120mm,150mm, which are great for various uses.
【Lead-Free Glass】Environmental friendly lead-free glass is the best material for making a watch glass, which is reusable, non-toxic, and easy to clean; featuring a smooth surface and high degree of transparency. note: cannot be heated directly.
【Multi-Functions】They not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers.
【Sterile Package】All of them are packed with clean packaging so you don’t need to worry about the facts that will affect your experiment results.
【Package Contents】Due to the glass material, this product may break during delivery. If you receive defective items, please let us know via email to get replacement items; we will solve it until satisfied.
LEAD-FREE GLASS: Environmental friendly lead-free glass is the best material for making a watch glass, which is reusable, non-toxic, and easy to clean
3 DIFFERENT SIZES: Our watch glasses come in 3 different sizes: 150 mm, 100 mm, and 70 mm, which are great for various uses
MULTI-FUNCTIONS: They not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers
STERILE PACKAGE: All of them are packed with clean packaging so you don’t need to worry about the facts that will affect your experiment results
PACKAGE CONTENTS: Lab Watch Glasses in 150mm x 2, in 100mm x 2, in 70mm x 2. Due to the glass material, this product may break during delivery. If you receive defective items, please let us know via email to get replacement items
【Lead-Free Glass】Environmental friendly lead-free glass is the best material for making a watch glass, which is reusable, non-toxic, and easy to clean; featuring a smooth surface and high degree of transparency. note: cannot be heated directly.
【6 Different Sizes】Our watch glasses come in 6 different sizes: 50mm,70mm,90mm ,100mm,120mm,150mm, which are great for various uses.
【Sterile Package】All of them are packed with clean packaging so you don’t need to worry about the facts that will affect your experiment results.
【Multi-Functions】They not only can be used for vaporizing liquid, but also can be used as a lid for other chemical containers.
【Package Contents】Due to the glass material, this product may break during delivery. If you receive defective items, please let us know via email to get replacement items; we will solve it until satisfied.
STURDY GLASS || Concave beaker covers (also known as watch glasses) made with quality glass. Each cover features ground edges & polished surfaces for safe handling. The 2.0mm glass thick construction resists shattering
12 PACK || Set includes twelve covers, each measuring 3" (7.5cm) in diameter
VARIETY OF USES || Can be used for a variety of laboratory functions - ideal for covering beakers and flasks, but can also be used to hold small samples for observation under a low powered microscope, or evaporating liquids off of samples (i.e. growing...
GREAT FOR SCIENCE CLASSROOMS || The sturdy construction and makes these covers an excellent choice for science classrooms
MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and...
The watch glass is mainly used in scientific learning, chemistry experiments, professional laboratories, and homes, such as beaker covers, temporary storage of liquid and solid samples, corrosive substances weighing, paint mixing, etc. It also can be an...
Advantage: Our watch glass is made of high-transparency glass that allows for clear observation of liquid changes and experimental results while ensuring durability. It seamlessly fits with various chemical containers, providing excellent sealing and...
Instruction: 1. Before use, the watch glass needs to be cleaned and dried to effectively ensure the accuracy of experimental results. 2. Clean and dry the watch glass promptly after use to avoid the residue of experimental substances and affect use.
NOTE: 1. The watch glass cannot be heated directly by fire. 2. Please check the size before purchasing. Select the watch glass of the corresponding size according to the diameter of the instrument. It is recommended to choose a watch glass that is 1cm...
Frequently employed in scientific experiments and laboratory processes, such as evaporating solvents or heating small samples; it can also serve as a cover for beakers, evaporating dishes, and other containers
Various size options, thickness approximately between 1-3 mm; 10 Pack
Made of borosilicate glass, featuring thickened glass for stability and resistance to acids and alkalis
Smooth surface, high transparency, can withstand temperatures up to 250°C
Warranty: Labasics 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
stonyLab watch glass is a curved circular glass disc used in laboratories as a surface for holding or mixing small quantities of liquids or powders.
Commonly used in scientific experiments and laboratory procedures, like evaporating solvents or heating small samples; can also be used as a lid for beakers, evaporating dishes and other containers.
STURDY GLASS || Concave beaker covers (also known as watch glasses) made with quality glass. Each cover features ground edges & polished surfaces for safe handling. The 2.0mm glass thick construction resists shattering
12 PACK || Set includes twelve covers, each measuring 2" (5cm) in diameter
VARIETY OF USES || Can be used for a variety of laboratory functions - ideal for covering beakers and flasks, but can also be used to hold small samples for observation under a low powered microscope, or evaporating liquids off of samples (i.e. growing...
GREAT FOR SCIENCE CLASSROOMS || The sturdy construction and makes these covers an excellent choice for science classrooms
MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and...
Advantage: The glass is made of table glass with high chemical durability, which has corrosion resistance, which can effectively keep the material pure, increase the liquid surface area to accelerate evaporation, etc
Application: This watch glass is mainly used in the laboratory and in homes, such for suspension drop culture tests, beaker covers, temporary storage of liquid and solid samples, corrosive substances weighing, paint mixing, etc
Instruction: 1. Before use, the watch glass needs to be washed and dried, which can effectively avoid the influence of other substances on the experimental results; 2. After application, it should be cleaned and dried in time to avoid residual substances...
Notice: This Watch Glass cannot be heated directly with fire to prevent rupture or be used as an evaporation dish. Note that the watch glass is selected according to the caliber of the instrument. Generally, the diameter of the watch glass should be...
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Watch Glasses
Lens Material
The material of your watch glasses is crucial for durability and protection. Polycarbonate lenses are a popular choice due to their high impact resistance, making them ideal for environments where there's a risk of splashes or flying debris. Other materials may offer different levels of scratch resistance or optical clarity.
Fit and Comfort
Proper fit ensures the glasses stay securely in place and provide a full field of vision. Look for adjustable nose pads and temple arms that can be customized to your face shape. Lightweight frames contribute to comfort, especially during extended wear. Ensure the eyewear offers a snug fit without excessive pressure points.
Coverage and Protection
Consider the level of protection needed for your specific activities. Some glasses offer wraparound designs for maximum peripheral coverage, while others might include side shields for enhanced protection against lateral impacts or chemical splashes. Verify that the eyewear meets relevant safety standards for your intended use.
Frequently Asked Questions
What is the primary purpose of lab watch glasses?
The primary purpose of lab watch glasses is to protect the wearer's eyes from chemical splashes, flying debris, and other potential hazards encountered in laboratory or workshop settings. They are a crucial piece of personal protective equipment (PPE) for safety.
Are there different types of lenses available?
Yes, lenses for lab eyewear are typically made from materials like polycarbonate, which is known for its impact resistance. Some may also feature anti-fog or anti-scratch coatings to improve visibility and durability in various conditions.
How should I ensure a proper fit?
A proper fit is achieved when the eyewear sits comfortably on your nose and doesn't slip during movement. Look for adjustable features like nose pads and temple arms to customize the fit. The glasses should provide a clear, unobstructed view without pinching.
Do I need prescription lenses for lab safety?
If you require prescription eyewear, you have a few options. You can wear prescription glasses under standard safety glasses, or opt for prescription safety glasses designed to meet both your vision needs and protective requirements.
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