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 Your email address will not be published.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

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