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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: zhenhua
  • Model Number: customization
  • Size: customization
  • Material: pyrex glass
  • Use: no limit
  • color: colorless

Packaging & Delivery

Packaging Details accordance with customers' requirement

 

 

product detaill

pryrex glass

 

Thermal properties

 

Maxiimun working temperature:

 

                           Short-term    500°C

 

                           Long-term   450°C

 

Viscosity of Glasses

 

Working point                         104dpas            1270°C

 

Softening point                       107.6dpas           820°C

 

Annealing point                       1013dpas             560°C

 

Strain point                           1014.5dpas           518°C

 

Transformation Temperature(Tg0                            525°C

 

RTG

 

 1 hour   110K

 

 1-100hour 90K

 

 100hour 80K

 

Glass Thickness             RTS

 

3.8mm                              175K

 

5.0-5.5mm                           160K

 

6.5-12.0mm                          150K

 

Technical Properties

 

Density(25°C)          2.3g/cm3

 

Young’s Modulus     E   63kn/mm3                               JC/T678-1997

 

Poisson’s Ratio     u   0.18                     JC/T678-1997

 

Bending strength         59.3MPa                 JC/T678-1997

 

Hardness             H   6                       GB/T16534-1996

 

 

 

Thermal Properties

 

Coefficient of Linear Thermal   α   20-300°C            3.3*10-6k-1

 

Thermal conductivity           λ(90°C)                 1.2W*(M*K)-1

 

Specific Heat Capacity         Cp(20-100°C)             0.83K1*(kg*k)-1

 

Chemical Resistance

 

Hydrolytic resistance     according ISO 719/DIN 12 111     HGB 1

 

                       According ISO 720               HGA   1

 

Acid resistance         according ISO 1776/DIN 12 116     1

 

Alkali resistance         according ISO 695/DIN 52 322    A 2

 

Optical Properties

 

Wavelength λ(nm)     435.8     479.9     546.1     589.3     643.8       656.3

 

Index of Refraction n 1.48023 1.47685(nF) 1.47326(ne) 1.47145 1.46975(nc)   1.46925

 

 Refractive index          nd(λ587.6nm)             1.47178 

packing picture

 

 

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packing

 

 

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                 Nantong zhenhua Optical-Electric CO.,LTD

                                  wei hua tang

                 website:www.opticalon-line.com

welcome you order our glass we can offer the best quality and the most competitive price

thanks

 

 

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