High Borosilicate Glass: 500& Deg; C Working Temp Melting Point of 1300& Deg; C¹

Product Description Product DescriptionIntroducing the unparalleled attributes of our product,crafted meticulously from natural quartz through precision melting and fine grinding processes. This results in exceptionally high purity, unrivaled heat resistance, and robust corrosion resistance, all while maintaining a low coefficient of thermal expansion. The absence of air bubbles and precise control down to the grade of PPM ensures superior performance, making it ideal for high-temperature applications, offering excellent chemical stability, outstanding insulation, and impressive transmittance.Our versatile Borosilicate glass 3.3 rods are available in a stunning array of 22 vibrant colors, including jade white, opaque options like white and black, a spectrum of blues from dark to light across shades A to EE, as well as teal, green, light green, strike red, amber, yellow, golden champagne, light yellow, cognac, pink, purple, and the classic clear.The exquisite blue series offers a gradient from deep shades to lighter hues, from A to EE.Normal sizes are crafted with precision, featuring:Outer Diameter (O.D.): 4-42mmStandard Length: 1200mmAdditionally, we offer customization to meet unique specifications with O.D. ranging from 3.5 to 46mm and lengths up to 2500mm. 1.DescriptionOur current selection includes six shades of blue, with a progression from the rich and deep blue A to the lighter, ethereal tones of blue EE.2.Normal sizeOuter Diameter (O.D.): 4-42mmStandard Length: 1200mmCustomization is available for specific requirements, with O.D. options from 3.5 to 46mm and lengths up to 2500mm. 3.Main Composition a) SiO2: 80±0.5% b) B2O3: 13±0.2% c) Al2O3: 2.4±0.2% d) Na2O(+K2O): 4.3±0.2% 4.Physical and Chemical Properties a) Coefficient of mean linear thermal expansion (20/300oC): 3.3±0.1(10-6K-1) b) Transformation temperature: 525±15oC c) Melting point: 1,260±20oC d) Softening point: 820±10oC e) Density at 20oC: 2.23g/cm2 f) Hydrolytic resistance at 98oC: ISO719-HGB1 g) Hydrolytic resistance at 121oC: ISO720-HGA1 h) Acid resistance class: ISO1776-1 i) Alkali resistance class: ISO695-A2Material PropertiesQuartz glass epitomizes unique and extraordinary characteristics, offering:Unmatched DurabilityExceptional Corrosion ResistanceImpressive light transmittance, exceeding 90% for visible lightCapable of withstanding working temperatures up to an impressive 1100°CWith OH content options tailored to your needs, ranging from less than 20ppm to as low as 2ppm.Company ProfileFounded in 1998 as a dynamic joint venture, Lianyungang Yongsin Quartz Co., Ltd. is passionately dedicated to the innovation, production, and marketing of high-performance specialty fused silica products, refractory solutions, and ceramics. Catering primarily to leading sectors such as electronics, foundries, refractories, and the glass industry, Yongsin Quartz seamlessly integrates cutting-edge technology with unparalleled expertise to meet the diverse needs of these industries.At YONGSIN QUARTZ, our unwavering mission is to cater to our customers' needs through exceptional products, premium materials, and unparalleled service, all aimed at enhancing the quality of end products while effectively reducing production costs. Valuing our customers as our utmost priority, we align ourselves with their challenges and work collaboratively as trusted business partners to formulate successful solutions that address their unique challenges and propel their success. YONGSIN QUARTZ is committed to excellence through its comprehensive, organization-wide quality assurance program. Our manufacturing standards are rigorously certified to ISO 9001:2000 by the Chinese Government, ensuring that our customers receive only the highest quality products.FAQ1.Q:Can I have a sample order? A:Yes. We welcome sample order to test and check quality. Mixed samples are acceptable2.Q:Can I customize the printing of the packing and print our logo on the ir lamps? A:Yes. We provide OEM and ODM service.our advantage is customized accordig your request.3.Q:What about the lead time for mass production?A:It depends on the order quantity and the season you place the order. Generally speaking, the lead time of MOQ is about 7-15 days. We suggest that you start inquiry at least two months before the date you would like to get the products at your country.4.Q:Do you offer guarantee for the products?A:Yes, we offer 1 years warranty to our products.5.Q:How to order?A:1.Tell us the model or the size you want to order,I will estimate shipping cost for you soon2.If no problem about price.I will send you PI for your confirm.We can accept PAYPAL WESTERN UNION.T/T.L/C and so on3.Producing and shipping will be arranged soon after order confirmed.4.photos will taked for you to confirm and deliver the goods soon.5.Tracking number will be provided,and tracking frequently for you!

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