borosilicate glass 3.3 1 solar collectors' glass 3 powerful heat resistance 4 high softening point 5 high quality glass

borosilicate glass 3.3

I. Specification of Product

Dimensions: 1150mm×850mm 1150mm×1700mm 1200mm×600mm other formats upon request

Available thickness: 1mm--12mm 

 3) Net sized glass of strengthening can be supplied as per the customers requirement;

4) Glass of small cut size is available according the requirement from customers.

II. Performance of the Product

1). Mechanical Performance

     Density  ρ              2.23±0.02g/cm3

2).Thermodynamic Performance

    Thermal expansion coefficient           (0-300) 3.3±0.1×10-6K-1

    Softening point                                 820±10

    Strain point                                      516±10

    Caloricity                                        (20-100) 0.82KJ × (kg×K)-1

    Thermal coefficient                           1.2W×m×K-1

    Thermal shock resistance                 180K

    Strengthening type                           300K

    Identical temperature difference         100K

    Strengthening type                           300 K

    Maximum working temperature         Short time(<10h): 500 

                                                          Long time(>10h): 450

   

Borosilicate float glass 3.3