Saida OEM Manufacturer Toughened Heat Reflective Circular Sight Glass

Physical PropertyNo.Physical performanceNumerical ValueUnit1Coefficient of mean linear thermal expansion(20°C,300°C)3.3±0.110-6K-12Transformation temperature525±15°C3Softening point820±10°C4Working point1260±20°C5Density at 20°C2.23±0.02g/cm36Mean thermal conductivity(20°C-100°C)1.2w/m2k7Refractive index0.921 Main Composition SiO2B2O3Na2O+K2OAl2O3  811342  Chemical Property Hydrolytic resistance at 98°CISO719-HGB 1 Hydrolytic resistance at 121°CISO720-HGA 1 Acid resistance ClassISO1776-First Class Optical Property  Refractive: nd :  1.47384 Light transmission:92%thickness≤4mm,91%thickness≥5mmMORE  PRODUCTS:Processing & Advantage:Packing and delivery:Our company:our company equipment1.Dust free painting room2.Automatic acid etching producing line3.Automatic circularly hot bending furnace4.Finland Tamglass tempering furmance5.CNC Water jet cutting maching   computer controlled processing machineFAQQ1: How can I get the price and consult for product details?A1: Send enquiry via Made-in-China, Email, Skype, Wechat or Call us directly.Q2: How is your quality of products and quality guarantee policy?A2: 100% full test before shipping and 100% compliance with the request of clients.Q3: What is the payment method?A3: T/T, Western Union, LC, Paypal.Q5: What package do you use for the products?A5: Safe and standard packing for export shipment (PE film cover, kraft paper/bubble bags parcel, and pack into carton or wooden box).Q6: What is your main product? OEM/ODM ?A6: Metal terminals, Thermal interface material, Glass/PMMA/PC products, Die cut service for industrial etc.&OEM/ODM is available. For details, please kindly contact the sales persons.Q7: What is your service?A7: 24 hours online service is our promise.Contact me:For questions, please contact Me!Cat-liu  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1