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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.
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
【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.
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
Premium Material and Durability: Crafted from borosilicate glass, featuring a smooth surface and exceptional transparency for clear observation of experimental phenomena. Excellent shatter resistance ensures robust durability and extended service life.
Perfectly sized: 6 inches (150 mm) in diameter. The package includes two glass dishes, ideal for scientific experiments and teaching needs. Their moderate size ensures broad applicability.
Exceptional Heat Resistance: Withstands temperatures up to 250degree centigrade (482Fahrenheit) directly, suitable for high-temperature experiments like evaporation and sample heating.
High Safety: Frosted edges and polished surfaces ensure safe handling and prevent scratches during use.
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, such as evaporating solvents or heating small samples; can also be used as a lid for beakers, evaporating dishes and other containers
【Sizes】Our watch glasses come in5 pcs 50mm,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.
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...
Last update on 2026-10-16 / 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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