
( Brand: Eisco ), ( Part Type: Cover Lid Watch Beaker ), ( Color: Transparent ), ( UPC: 849230025007 ), ( Package Dimensions Lxwxh: 5.83x3.23x1.65 Inches ), ( Weight: 0.33 Pounds )
Introducing the Essco 12-pack Watch Glasses with 5cm Cover Lids, a must-have accessory for any laboratory or scientific environment. These watch glasses are designed to fit securely on top of beakers, flasks, or other round-bottomed containers, providing an effective evaporation cover that helps prevent contamination and maintain the integrity of your experiments.
Each watch glass in this set measures 11.5 centimeters in diameter and comes with a 5-centimeter cover lid. The cover lids are removable, allowing easy access to your experiments while ensuring that dust, debris, or unwanted contaminants stay out. Made of clear, borosilicate glass, these watch glasses offer excellent clarity and durability.
The borosilicate material used in these watch glasses is not only heat-resistant but also resistant to thermal shock, making them ideal for use in high-temperature applications or rapid temperature changes. Additionally, the glass is resistant to most common laboratory chemicals, ensuring that these watch glasses can withstand the rigors of a scientific environment.
The Essco 12-pack Watch Glasses with 5cm Cover Lids are easy to clean and maintain, making them a practical choice for any laboratory setting. Simply hand wash them with soap and water or use a laboratory glassware detergent to remove any residue. These watch glasses are also lightweight and stackable, making them easy to store and transport when not in use.
In summary, the Essco 12-pack Watch Glasses with 5cm Cover Lids are an essential tool for any laboratory or scientific environment. Their clear, borosilicate glass construction offers excellent clarity, durability, and resistance to heat and common laboratory chemicals. The removable cover lids provide effective evaporation covers, while their lightweight and stackable design make them easy to store and transport. Add these watch glasses to your laboratory inventory today and experience the convenience and reliability they bring to your experiments.
1. Compatibility: These watch glasses are designed to fit standard beakers, flasks, and evaporating dishes with a diameter of up to 5 cm. This makes them a versatile option for various laboratory applications.
2. Durability: Made of borosilicate glass, these watch glasses are resistant to thermal shock and can withstand extreme temperature changes without cracking or breaking. This is essential in a laboratory setting where frequent heating and cooling are common.
3. Safety: The watch glasses provide an additional layer of protection against spills, preventing potential accidents and reducing the risk of contamination.
4. Easy to Use: The compact size and lightweight design make the watch glasses easy to handle and use, allowing for quick and efficient laboratory work.
5. Cost-Effective: Buying in a pack of 12 ensures a reasonable price per piece, making them a cost-effective solution for laboratory supplies.
**Cons:**1. Fragility: Despite their durability, the watch glasses are still glass and can be easily broken if dropped or mishandled.
2. Additional Cleaning: The watch glasses require extra cleaning since they cover the entire top surface of the beaker or flask. This can add to the overall time and effort required for lab work.
3. Possible Air Bubble Formation: When using the watch glasses, air bubbles may form between the glass and the liquid surface. This can be an issue for some experiments that require precise control over the liquid volume.
**Conclusion:**The Eisco 849230025007 watch glasses offer several advantages, including compatibility with various labware, durability, safety, ease of use, and cost-effectiveness. However, they also present some disadvantages, such as fragility, additional cleaning, and potential air bubble formation. Considering these pros and cons, the decision to purchase these watch glasses ultimately depends on the specific needs and priorities of your laboratory work. If the benefits outweigh the drawbacks, these watch glasses can be a valuable addition to your lab supplies.
STURDY GLASS Concave beaker covers also known as watch glasses made with quality glass. 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 covering beakers and flasks, but can also to hold small samples observation under low powered microscope, or evaporating liquids off .e. Growing seed crystals, GREAT FOR SCIENCE CLASSROOMS The sturdy construction and makes these covers an excellent choice for science classrooms, MANUFACTURED BY LABS proudly manufactures its own products using state-of-the-art equipment, following the highest standards of quality control. Each cover features ground edges polished surfaces for safe handling.