Watch glasses are small, concave, and flat pieces of laboratory glassware typically used for various purposes in scientific experiments. They are made of durable glass, often clear flint glass, allowing for easy observation of substances during experiments. Their size ranges from small (50mm) to large (150mm or more) in diameter, and they are often used in a variety of laboratory, educational, and research settings.
Here are 10 types of watch glasses commonly used in laboratories, each offering different features and qualities:
High Qualities 3 Watch Glasses
Sr. No | Type of Watch Glasses | Review | Buy |
1 | Watch Glasses, 10pk 150 mm Oblate Watch Glass Beaker Cover Set for Laboratory School Science, Ground Edge Borosilicate Glass Beaker Lid Evaporating Dish Cover | ⭐⭐⭐⭐⭐ | |
2 | Watch Glass Beaker Cover Set 10PCS 150mm High-Temperature Resistant Cover Lids for Scientific Laboratory Watch Glass Equipment | ⭐⭐⭐⭐⭐ | |
3 | VOVCIG Watch Glass Beaker Cover Set 10PCS 150mm High-Temperature Resistant Cover Lids for Scientific Laboratory Watch Glass Equipment(10pcs, 150mm) | ⭐⭐⭐⭐⭐ |
1. Watch Glasses, 10pk 150 mm Oblate Watch Glass Beaker Cover Set for Laboratory School Science, Ground Edge Borosilicate Glass Beaker Lid Evaporating Dish Cover
Product Overview
Dimensions: 5.91 x 5.91 x 0.79 inches; 3.53 ounces
Size: 150 mm
Package Quantity: 10 pcs
Model Name: Not specified
Manufacturer: Lab Asics Scientific
Weight: 3.53 ounces
Features
High Quality: Made of borosilicate glass featuring thickened edges for enhanced stability and resistance to acids and alkalis.
Thermal Resistance: Can withstand temperatures up to 250°C, suitable for heating applications.
Smooth Surface: High transparency and smooth finish, free of cosmetic defects like bubbles.
Durable Construction: Approximately 1–3 mm thick, providing excellent durability and stability.
Multipurpose Design: Functions as an evaporating dish cover, beaker lid, or general-purpose laboratory accessory.
Perfect for a Variety of Applications
Scientific Experiments: Ideal for evaporating solvents or heating small samples in laboratories.
Beaker Covering: Acts as a protective lid for beakers, evaporating dishes, and similar containers.
Educational Use: Frequently used in school science projects and teaching laboratories.
Professional Research: Suitable for advanced laboratory work in research facilities.
2. Watch Glass Beaker Cover Set 10PCS 150mm High-Temperature Resistant Cover Lids for Scientific Laboratory Watch Glass Equipment
Product Overview
Dimensions: 6 x 6 x 4 inches; 8 ounces
Size: 150 mm
Package Quantity: 10 pcs
Model Name: Not specified
Manufacturer: QuafooLAB
Weight: 8 ounces
Features
High Quality: Made with strong durability and corrosion resistance, ensuring longevity in various laboratory applications.
Thermal Resistance: Safely handles high temperatures and is compatible with autoclaving processes.
Chemical Resistance: Resists common laboratory solvents, suitable for a wide range of uses.
Clear Observation: Features high transparency for easy monitoring of experimental results.
Multipurpose Design: Works as a cover for evaporating dishes, beakers, and other
chemical containers to prevent contamination.
Perfect for a Variety of Applications
Laboratory Protection: Ideal for shielding beakers and dishes from dust and other contaminants.
Scientific Uses: Serves as a lid for various chemical containers in experiments.
Versatile Sizes: Available in eight different diameters, offering options for diverse laboratory requirements.
Professional Research: Suitable for use in research laboratories, educational settings, and professional experiments.
3. VOVCIG Watch Glass Beaker Cover Set 10PCS 150mm High-Temperature Resistant Cover Lids for Scientific Laboratory Watch Glass Equipment(10pcs, 150mm)
Product Overview
Dimensions: 5.9 x 5.9 x 2.85 inches; 3.2 ounces
Size: 150 mm
Material: Premium Glass
Package Quantity: 10 pcs
Model Name: Not specified
Manufacturer: VOVCIG
Weight: 3.2 ounces
Features
High Quality: Crafted from premium glass materials with exquisite craftsmanship, ensuring resistance to bending or deformation.
Durable Design: Strong durability and corrosion resistance, suitable for frequent laboratory use.
High Transparency: Allows easy observation of experimental results.
Multipurpose Use: Functions as a beaker lid, a cover for evaporating dishes, or a lid for other chemical containers to prevent contamination.
Set of 10: Includes 10 pieces, all in the same 150 mm size, perfect for various laboratory applications.
Perfect for a Variety of Applications
Laboratory Applications: Used as covers for beakers and evaporating dishes to maintain cleanliness.
Scientific Observation: Ideal for experiments requiring clear visibility of results.
Versatile Utility: Suitable for a wide range of laboratory, research, and educational purposes.
4. Watch Glass Beaker Cover Set, 6 Pcs Lab Watch Glasses in 150mm, 100mm, and 70mm for Laboratory, Science, and Chemical Experiments (150 mm x 2, 100 mm x 2, 70 mm x 2)
Product Overview
Dimensions: 6.22 x 6.18 x 1.54 inches; 11.99 ounces
Sizes: 150 mm x 2, 100 mm x 2, 70 mm x 2
Material: Lead-Free Glass
Package Quantity: 6 pcs
Model Name: BL-BM-M6
Manufacturer: Young4us
Weight: 11.99 ounces
Features
Lead-Free Glass: Made from environmentally friendly, reusable, non-toxic glass material that is easy to clean.
Heat Resistant: Designed to withstand high temperatures, making it suitable for laboratory heating applications.
Autoclavable: Can be used in an autoclave for sterilization purposes.
Sterile Packaging: Delivered in clean, contamination-free packaging to ensure accurate experimental results.
Multi-Functionality: Suitable for vaporizing liquids or serving as lids for chemical containers.
Variety of Sizes: Includes three different sizes, allowing versatility in laboratory and educational uses.
Perfect for a Variety of Applications
Laboratory Experiments: Ideal for vaporizing liquids or covering beakers and dishes to prevent contamination.
Chemical Analysis: Suitable for use in research, academic, and professional laboratories.
Educational Use: Perfect for science projects and teaching labs requiring multiple size options.
Home Applications: Practical for hobbyists or small-scale experimental setups.
5. QWORK Watch Glass Beaker Cover, 4 Pack, 6" (150mm) Diameter, Cover Lids for Beakers & Flasks, Evaporation Dish, Polished
Product Overview
Dimensions: 7.48 x 6.93 x 2.24 inches; 15.52 ounces
Size: 6" (150 mm) Diameter
Material: Premium Glass
Package Quantity: 4 pcs
Model Name: WD5621
Manufacturer: QWORK
Weight: 15.52 ounces
Features
Durable Construction: Made of premium glass with 1.4 mm thickness, offering excellent resistance to shattering and long-term service.
Heat Resistant: Designed to handle moderate heat applications, suitable for laboratory use but not recommended for direct flame exposure.
Ground and Polished Edges: Ensures safe handling and prevents injury during use.
Versatile Use: Ideal for evaporation, holding samples, and covering beakers or flasks to maintain cleanliness.
Compact Design: Lightweight and easy to store, making it suitable for both scientific experiments and teaching purposes.
Perfect for a Variety of Applications
Laboratory Experiments: Perfect for evaporation and sample preparation in scientific research.
Teaching and Demonstrations: Well-suited for educational use in classrooms and labs.
Chemical Analysis: Serves as a practical lid for beakers and flasks during experiments.
Professional and Hobbyist Use: Versatile enough for both professional laboratories and at-home projects.
6. VOVCIG Watch Glass Beaker Cover, 4 Pack 5.9''(150mm) Lab Watch Glasses, Cover Lids for Beakers & Flasks, Evaporation Dish for Laboratory
Product Overview
Dimensions: 5.9 x 5.9 x 2.1 inches; 3.52 ounces
Size: 150 mm
Material: Premium Glass
Package Quantity: 4 pcs
Model Name: Watch Glass Beaker Cover
Manufacturer: VOVCIG
Weight: 3.52 ounces
Features
High Quality: Crafted from premium glass, designed for long-term durability with resistance to bending and deformation.
Heat Resistant: Suitable for handling moderate heat applications in laboratory settings.
Corrosion Resistance: Highly durable with resistance to corrosion and chemicals commonly used in labs.
High Transparency: Allows clear observation of experimental results.
Versatile Use: Ideal for covering beakers and evaporating dishes, preventing contamination, and serving as a lid for other chemical containers.
Perfect for a Variety of Applications
Laboratory Use: Suitable for use in scientific experiments and research labs.
Chemical Analysis: Ideal for protecting samples and preventing contamination during analysis.
Educational Settings: Perfect for classrooms and teaching environments.
Home Laboratories: Practical for hobbyists and at-home chemistry or science projects.
7. 150mm Plain Watch Glass Beaker Cover, Karter Scientific 213H12 (Pack of 10)
Product Overview
Dimensions: 8.43 x 8.35 x 4.72 inches; 1.5 Pounds
Size: 150 mm
Material: High-quality inert flint glass
Package Quantity: 10 pcs
Model Name: 213H12
Manufacturer: Karter Scientific
Weight: 1.5 Pounds
Features
High Quality: Made from inert flint glass, known for its durability and high chemical resistance.
Heavy Duty: Designed for repeated use, providing long-term durability and reliable performance in laboratory settings.
Perfect Fit: Compatible with Griffin Beakers ranging from 600 to 2000 ml, making it a versatile solution for various lab sizes.
Reusability: Can be cleaned and reused, reducing waste and providing cost-effective lab solutions.
Perfect for a Variety of Applications
Laboratory Use: Ideal for use in scientific experiments and research.
Beaker Protection: Suitable for covering Griffin beakers to prevent contamination or spills.
Chemical Analysis: Great for protecting samples during chemical analysis and other experiments.
Educational Use: Ideal for classroom experiments and teaching environments.
8. VOVCIG Watch Glass Beaker Cover Set 10PCS 100mm High-Temperature Resistant Cover Lids for Scientific Laboratory Watch Glass Equipment(10pcs, 100mm)
Product Overview
Dimensions: 4.37 x 4.33 x 2.01 inches; 1.04 Pounds
Size: 100 mm
Material: Premium glass
Package Quantity: 10 pcs
Model Name: Watch Glass 11
Manufacturer: VOVCIG
Weight: 1.04 Pounds
Features
High Quality: Made from premium glass, ensuring excellent durability and resistance to bending or deformation.
Design for Laboratory Use: Engineered for scientific applications, providing high transparency for easy observation during experiments.
Durability & Corrosion Resistance: Offers long-lasting performance and resistance to common laboratory solvents, making it suitable for various chemical processes.
Multi-Use: The watch glass can be used as a lid for beakers, evaporating dishes, or other chemical containers to prevent contamination and dust.
Perfect for a Variety of Applications
Laboratory Use: Ideal for scientific experiments, particularly for covering beakers and evaporating dishes.
Chemical Analysis: Perfect for use in experiments that require clear observation and protection from external contaminants.
Educational Use: Suitable for classroom settings, teaching experiments, and educational demonstrations.
9. United Scientific Supplies United Scientific WGL125 Clear Flint Glass Watch Glass, 125mm Diameter (Pack of 12)
Product Overview
Brand: United Scientific Supplies
Model Number: WGL125
Country of Origin: India
Package Dimensions: 5.08 H x 13.97 L x 13.97 W (centimetres)
Package Weight: 1.85 pounds
Quantity: Pack of 12
Size: 125mm Diameter
Features
High Quality: Made from clear flint glass, offering high transparency for easy observation during experiments.
Durability: Designed for long-lasting performance, making them resistant to deformation and damage under regular use.
Versatile: Can be used as a lid for beakers, evaporating dishes, or other laboratory containers, and also for vaporizing liquids.
Multipurpose: Ideal for laboratory, educational, and scientific purposes, providing a reliable and functional tool for a range of experiments.
Perfect for a Variety of Applications
Laboratory Analysis: Ideal for use in scientific environments, these watch glasses are perfect for evaporating solvents, holding samples, or as lids for beakers to prevent contamination.
School Science Projects: These are an excellent choice for educational settings, allowing students to perform various experiments involving evaporation or sample observation.
Professional Research: Suitable for research labs, where high-quality glassware is essential for precision and reliability in experiments involving volatile substances.
10. United Scientific 10 Pack Sterile Thick Plastic Petri Dishes with Lid, 90mm Dia x 15mm, Designed for use in Laboratories, Homes, and Classrooms
Product Overview
Package Dimensions: 9.09 x 4.06 x 3.66 inches
Size: 90mm Diameter x 15mm Height
Brand: United Scientific
Model Number: K1004-J
Country of Origin: China
Quantity: Pack of 10
Size: 90mm Diameter x 15mm Height
Package Weight: 5.61 ounces
Features
Sterility: These petri dishes are sterilized using Ethylene Oxide (EO), ensuring they are free from contaminants.
Material: Made from industrial-grade polystyrene, providing durability and resistance to deformation.
Lids Included: Each petri dish comes with a matching lid for secure coverage and prevention of contamination.
Versatility: Ideal for a wide range of scientific experiments, including microbiology and sample culturing.
Multipurpose: Suitable for use in laboratories, classrooms, and home science experiments.
Perfect for a Variety of Applications
Laboratory Analysis: Perfect for use in laboratory environments for culturing microorganisms or conducting microbiology experiments.
Educational Use: A great tool for school science projects, allowing students to observe microbial growth or other biological processes.
Professional Research: Trusted by research labs worldwide, these petri dishes are essential for high-quality scientific investigations in biotechnology and microbiology.
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