The addition of boric oxide with silica is what differentiates borosilicate glass. The following chart details the chemical composition of QVF borosilicate glass 3.3: The purpose of adding boric oxide is to create a less dense product with a higher melting point. The high temperature allowance and superior durability makes borosilicate glass
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Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.
1. Glass Vials. Wheaton "180"® low potassium borosilicate glass (meets ASTM Type I Class A and USP Type I standards). Vials are packed in individual cells in trays of 100. Vials are in trays are shrunk-wrapped in plastic, 5 trays to a case. Screw caps size 22-400 is made from Urea with Poly-seal cone liner.
Wide-opening 2 ml, 12 x 32 mm vial Superior 33 expansion borosilicate glass Meets extremely tight tolerances I-D vial with write-on patch measures 0.5, 1.0 and 1.5 ml 1230W33 Convenience Kit contains 100 Target Snap-It Clear Vials with Clear Seals with Red PTFE/White Silicone Septa.
Description: Wide opening screw-thread vials are manufactured from borosilicate glass and have a maximum fill volume of 1.8 mL. ,82028-432CS,82028-428CS,82028-426CS VWR® Vials and Closures Convenience Kits for Shimadzu HPLC Autosamplers
Worldwide Glass offers vials and inserts made from the following materials: Any silicate glass containing at least 5% of boric oxide is called Borosilicate Glass. The boric oxide makes the glass resistant to extreme temperatures and chemical corrosion. Type I borosilicate has the least pH shift of any glass. It is highly resistant to water
High-quality borosilicate glass vials, open-top caps, .135" Teflon/silicone septa, pre-cleaned with Certificate of Analysis Each case contains 4 boxes of 72 vials Available in clear and amber and . 0.25 ml 1:1 HCL Preservative, GHS label Made in USA.
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China Pharmaceutical Glass Vials Type 1 Borosilicate, Find details about China Glass Vials, Medical Vials from Pharmaceutical Glass Vials Type 1 Borosilicate - Danyang Forward Glasswork Co., Ltd.
Alibaba.com offers 420 ptfe white silicone septa products. About 68% of these are laboratory bottle, 4% are other lab supplies, and 1% are bottles. A wide variety of ptfe white silicone septa options are available to you, such as free samples.
Vials - W986259NG - Wheaton V-Vials, Clear Glass w/PTFE-Lined Penolic Caps, 5.0 mL; 12/Cs -- GO-08925-82 Supplier: Cole-Parmer Description: • Ideal for small scale reactions, storage and shipping Manufactured from low extractable borosilicate glass to safeguard against changes in product pH caused by alkali, which can occur with ordinary glass .
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