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10Mpa 20mm Heat Resistant Borosilicate Sight Glass for Industrial Field

      FEATURES – 3.3 Coefficient of Thermal Expansion  – High temperature resistance with  chemical stability – Super scratch resistant & waterproof & flame resistant – Perfect flatness and smoothness – Timely delivery date assurance – One to one consulation and professional guidance – Shape, size, finsh & design can customized as request – Anti-glare/Anti-reflective/Anti-fingerprint/Anti-microbial are available here High Borosilicate Glass Material Report
密度(Density) 2.30g/cm²
硬度(Mohs Hardness) 6.0Mohs’
弹性模量(Elasticity Modulus) 67KNmm – 2
抗张强度(Tensile Strength) 40 – 120Nmm – 2
泊松比(Poisson Ratio) 0.18
热膨胀系数 (20-400°C)(Coefficient of Thermal Expansion) (3.3)*10`-6
导热率比热(90°C)(Specific Heat Conductivity) 1.2W*(M*K`-1)
折射率(Refractive Index) 1.6375
比热(Specific Heat) (J/KG) 830
熔点(Melting Point) 1320°C
软化点(Softening Point) 815°C
连续工作温度/使用寿命(Continuous Operating Temperature/Service Life) 150°C
≥120000h(-60°C-150°C) 200°C
≥90000h(-60°C-200°C) 280°C
≥620000h(-60°C-280°C) 370°C
≥30000h 520°C
≥130000h  
抗热冲击(Thermal Shock) ≤350°C
抗冲击强度(Impact Strength) ≥7J
主要化学成分%含量(Main Chemical Composition % Content)  
SiO2 80.40%
Fe203 0.02%
   
Ti02 1.00%
B203 12.50%
Na20+K20 4.20%
FE 0.02%
耐水性(Water Tolerance) HGB 1级 (HGB 1)
What is safety glass?  Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase  its strength compared with normal glass.  Tempering puts the outer surfaces into compression and the interior into tension. FACTORY OVERVIEW
CUSTOMER VISITING & FEEDBACK    All MATERIALS USED ARE COMPLIANT WITH ROHS III (EUROPEAN VERSION), ROHS II  (CHINA VERSION), REACH  (CURRENT VERSION)

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