--- product_id: 16633862 title: "Pyrex, Watch Glass, 100 Mm" brand: "corning" price: "€ 20.48" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.nl/products/16633862-pyrex-watch-glass-100-mm store_origin: NL region: Netherlands --- # 100 mm diameter Fire-polished edges Heavier than standard Pyrex, Watch Glass, 100 Mm **Brand:** corning **Price:** € 20.48 **Availability:** βœ… In Stock ## Summary > πŸ”¬ Elevate your experiments with Pyrex precision! ## Quick Answers - **What is this?** Pyrex, Watch Glass, 100 Mm by corning - **How much does it cost?** € 20.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/16633862-pyrex-watch-glass-100-mm) ## Best For - corning enthusiasts ## Why This Product - Trusted corning brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Versatile Use:** Ideal for labs, kitchens, and DIY projects. - β€’ **Enhanced Safety:** Fire-polished edges reduce risk of chipping. - β€’ **Quality Assurance:** Made by PyrexCorning, a trusted name. - β€’ **Professional Grade:** Designed for the discerning millennial manager. - β€’ **Precision Engineering:** Crafted for accuracy and durability. ## Overview The Pyrex Watch Glass, 100 mm, is a premium laboratory tool designed for durability and safety. Heavier than ordinary watch glasses and featuring fire-polished edges, it ensures a reliable performance for various applications, making it a must-have for professionals and enthusiasts alike. ## Description Pyrex. Corning(r) 9985. Heavier than ordinary watch glasses and fire polished on the edges. 100 mm. ## Features - Pyrex - Corning(R) 9985 - Heavier than ordinary watch glasses and fire polished on the edges - 100 mm. ## Images ![Pyrex, Watch Glass, 100 Mm - Image 1](https://m.media-amazon.com/images/I/410HsWbWjuL.jpg) ## Customer Reviews ### ⭐⭐ Not round and has surface defects *by O***R on Reviewed in the United States on December 10, 2022* This is visibly out of round and has concentric ripples near the center of the convex surface. I think this will still work for my needs so I will likely not return it, but I am disappointed in the quality. I would not be surprised if these are actually factory seconds or something. ### ⭐⭐⭐⭐⭐ Good Glass *by D***G on Reviewed in the United States on October 29, 2016* Exactly what I wanted. I use them to cover my teacup when steeping loose leaf tea to keep it hot. After 4 minutes steeping tea with water starting out at 212 F, the glass is hot enough that you'd drop it reflexively if you grabbed it with bare hands. I haven't stressed it any more than that, and don't plan to for my purposes.Ordered Sunday, arrived Friday. They were packed extremely well. Only thing is they were 4 in a plastic bag with no paper in between them, but the set was wrapped super tight in endless special packing paper, and there are no scratches, chips or other defects due to physical trauma that I can see. Those puppies were packed good and tight. I bought 4 for $3.60 each and paid $23.75 total.The glass is clear enough to see through. I can read the ingredients on my candy wrappers with the glass 10-12 inches away from the candy, and the print is quite legible at that distance. With the glass a couple inches away from the candy the print very clear. But the glass is neither polished for optics nor intended for that. The glass has some ripples mainly near the center. You'll be able to see detail through them of anything in a beaker with no problem.The text "PYREX" (with a circled R after it) is in the glass in relief print about 1 cm from the edge on the concave side only. The word is about 18 by 3 mm (I mean it's 3 mm from the top of the E to the bottom of the E). It doesn't impair visibility in any meaningful way. The edges are ground to a curve (near perfect semicircle) and highly polished. They feel like the rim of a high quality drinking glass, although the watch glass is thicker than the lip of a typical drinking glass.The watch glass is 2 mm thick and feels pretty uniform. It feels sturdy enough. I did a drop test from 12 inches onto a wood table covered by a face towel. It landed on the convex side and bounced. It looks like you could drop it 6 inches onto a formica surface, but I didn't try it. Lay it on a table convex side down and the edges are 12 mm off the table. ### ⭐⭐⭐ Poor quality *by A***E on Reviewed in the United States on September 21, 2021* This watch glass is not round. I attached a picture, but it actually looks worse in real life. It also has concentric, circular ridges on the bottom (also not round) that are obviously a flaw, rather than part of the design. I don’t believe this is actually Pyrex. It is sturdy and would probably work ok for my purposes, but I’m returning it because for this price, it should be much better quality. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.nl/products/16633862-pyrex-watch-glass-100-mm](https://www.desertcart.nl/products/16633862-pyrex-watch-glass-100-mm) --- *Product available on Desertcart Netherlands* *Store origin: NL* *Last updated: 2026-05-13*