Watch Glass Sizes. When used to evaporate liquids, watch glasses allow laboratory personnel to observe the formation of precipitates or crystals. IEEE GlobalSpec collects only the personal information you have entered above, your device information, and location data. FREE 1. TO THE See our privacy statement. Include me in professional surveys and promotional announcements from GlobalSpec. Concave shaped watch glass used as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for flasks or beakers. A watch glass is a round, concave glass dish used for evaporation in chemistry. Laboratory buyers should consider all of their application requirements - including disposal and reuse - when selecting these and other glassware products. Pyrex has its origins in the early 1910s, when American glass company Corning Glass Works began looking for new products to feature its borosilicate glass… 99 ($1.83/Item) We may update this record based on further research and review. Heavy-duty watch glasses are usually thicker than standard commercial glass or plastic labware. Personal information will not be shared or result in unsolicited email. By submitting your registration, you agree to our Privacy Policy. Before submitting a question, please visit Frequently Asked Questions. 4. Visit the IIIF page to learn more. If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. Buyers should check their local or institutional recycling guidelines to make this determination. Constitution Avenue, NW EPDM has a suggested operating range of -70°F to 275°F, making it a good choice for many low-temperature applications. Our collection database is a work in progress. Keep Excellent Quality and Low Price for More than A Decade, Your email address will not be published. Fluoroelastomer products have good heat, oil and chemical resistance; however, they often have poor low-temperature performance. © Copyright 2020 GlobalSpec - All rights reserved. The latter use is generally applied to prevent dust or other particles entering the beaker; the watch glass does not completely seal the beaker, and so gas exchanges still occur. as well as subscriptions and other promotional notifications. We all know that see glass products on the market... B408 Avatar Native Intangible Cultural Industry Park, Shayi Community, Shajing Street, Bao'an District, Shenzhen,China. If you need to request an image for publication or other use, please visit Rights and Reproductions. Industrial Computers and Embedded Systems, Material Handling and Packaging Equipment, Electrical and Electronic Contract Manufacturing. Diameter 60mm (2.4 in) Diameter 70mm (2.8 in) Diameter 80mm (3.2 in) Diameter 100mm (4 in) … If you require a personal response, please use our contact page. Watch Glass Chemistry Watch Glass Laboratory, Product Description: The Engineering360 SpecSearch database classifies watch glasses by material of construction. We may use the provided email to contact you if we have additional questions. IEEE GlobalSpec will retain this data until you change or delete it, which you may do at any time. Notify me about educational white papers. Certificate of Sterility and Quality Assurance is Available on Request Find Lab Watch Glasses & Rods for your Chemical Lab now at SpectrumChemical.com. Glass tubes are used in chemistry to perform different experiments. Learn more about our approach to sharing our collection online. Required fields are marked *, WUBOLAB laboratory glassware has been committed to becoming a professional company that provides quality lab glassware to our customers worldwide.We have two factories to manufacture laboratory glassware and have more than 15 years experience in glassware production.WUBOLAB team committed to be our customers’ trust lan assitant.laboratory glassware suppliers in China—WUBOLAB glassware. Companies affiliated with GlobalSpec can contact me when I express interest in their product or service. They also use a combination of glass tubes under certain circumstances. Washington, D.C. Email powered by MailChimp (Privacy Policy & Terms of Use), International Media Interoperability Framework. BEST IDEAS. Labels Can be Customized to Meet Specific Test Demand 4. Material: Glass 2. Spectrum Chemical has a complete line of laboratory supplies, equipment and safety items. CU Boulder Organic Chemistry Undergraduate Courses. Color: Clear See our. Watch glasses are circular, slightly-concave pieces of glass that are used by chemists to evaporate liquids and cover beakers during sample preparation. IEEE GlobalSpec may share your personal information and website activity with our clients for which you express explicit interest, or with vendors looking to reach people like you. Please try again in a few minutes. When used as a beaker cover, a watch glass prevents the ingress of contaminants while allowing gas exchanges to occur. You may withdraw your consent at any time. Watch Glass, 12 Pack. There are many different types of glass tubes that are used. When used as a beaker cover, a watch glass prevents the ingress of contaminants while allowing gas exchanges to occur. It can also be employed for weighing solids and as a lid for flasks and beakers. They are also used to hold solids during weighing. Your email address will not be published. SpectrumChemical.com carries a full line of Lab Glassware. Between 12th and 14th Streets Watch Glass Chemistry Watch Glass Laboratory Item NO. Glass labware can be sterilized in an autoclave or laboratory oven and then reused. Certificate of Sterility and Quality Assurance is Available […] :WB-8102 Diameter(mm) Qty/Ctn 45 600 50 600 60 600 70 600 80 600 90 600 100 600 120 400 150 200 180 200 Product Description: 1. Neoprene watch glasses can be used over a wide range of temperatures and, like EPDM, resist degradation form UV light. Labels Can be Customized to Meet Specific Test Demand Proprietary glasses such as KIMAX® (Kimble Chase), Pyrex® (Corning) and Zerdour® (Schott Glass) provide features such as added mechanical strength and chemical resistance. Disposable plastic watch glasses are often used in lab work where cross-contamination during sample preparation could occur. When selecting watch glasses, buyers can specify the desired diameter and may select products that are heavy-duty or disposable. Watch Glass Chemistry Watch Glass LaboratoryOEM is Available 7. Color: Clear 3. Material: Glass UNLIMITED Personal information will not be shared or result in unsolicited email. 2. Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts. Disposable plastic watch glasses are less expensive and lighter weight, but may not be recyclable. Watch glasses are circular, slightly-concave pieces of glass that are used by chemists to evaporate liquids and cover beakers during sample preparation. These products can withstand heavier workloads, too. ◎Fire-polished edges to reduce chipping and breakage. A watch glass is a circular, slightly convex-concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker. 3. They are also used to hold solids during weighing. Use of this website signifies your agreement to our Terms of Use. 5. Buyers can also search for this type of labware by diameter and/or features. Borosilicate and quartz glasses are common, and offer high resistance to thermal shock. WORLD'S If you have something to share that would enrich our knowledge about this object, use the form below. ACCESS IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Young4us Watch Glass Beaker Cover Set, 6 Pcs Lab Watch Glasses in 150mm, 100mm, 70mm for Laboratory, Science and Chemical Experiment (150 mm x 2, 100 mm x 2, 70 mm x 2) 4.1 out of 5 stars 52 $10.99 $ 10 . Search manufacturer catalogs by these specifications: I agree to receive commercial messages from GlobalSpec including product announcements and event invitations, An error occurred while processing the form. Include me in third-party email campaigns and surveys that are relevant to me. ◎Manufactured from heat resisting borosilicate glass. After review, selected comments will appear on this page along with the name you provide.