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Chemical Charecteristics

Volumic Mass 2500 Kgr/m3
Compression Resistance 1000 Mpa
Tensile Strength 200 MPa for tempered glass
Elasticity It does not exhibit permanent deformation until it breaks.
Thermal Stress Up to  70 oC for annealed glassUp to 300 oC for temepred glass
Melting Temperature 1500 oC
Thermal Transmittance : U-Value (4mm) 5,7 W/m2 0K
Weight (4 mm)  10 kg / m2   ,   (2,5 kg / mm / m2)
Solar Factor (single glazing 4 mm) 0,85
Light Reflection (single glazing 4 mm) 8%
Light Trasmission (single glazing 4 mm) 90%
UV Transmission 57%
Sound Insulation (6mm) Rw 31 dB
 
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