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Quick Details

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

Packaging & Delivery

Packaging Details accordance with customers' requirement
Delivery Time after payment 15 days

product detaills

1.we can product this kind of glass accodance with drawing

2.we can accodance with customers' requirement to some pocessing ,such as polish and coating

3.surface quality can keep five levels.such as 80/50 60/40 40/30 30/20 20/10

4.if you can order big quantity we can give some discounts

5.we can offer the most competitive price

product date


Thermal properties

  Maxiimun working temperature:  

                           Short-term(10h)  500℃

                           Long-term(10h) 450℃

Viscosity of Glasses

Working point                          104dpas             1270℃

Softening point                        107.6dpas            820℃

Annealing point                        1013dpas             560℃

Strain point                           1014.5dpas            518℃

Transformation Temperature(Tg0                             525℃


 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℃)            2.3g/cm3

Youngs Modulus     E     63kn/mm3                                JC/T678-1997

Poissons 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℃             3.3*10-6k-1

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

Specific Heat Capacity          Cp(20-100℃)              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



our workshop

our company



        nantong zhenhua optical-electric co.,ltd

                    wei hua tang

                            sales manager


welcome you can order our optical glass,we can make sure offer the best quality and most competitive price,thanks


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