cooktop glass: 1.size:545*460*4 2.water-cutting the shape. 3.rohs glass enamel (grey and black) 4.aluminium film ont back.
cooktop glass:
1.Heat Resistance Test:No peel off crack or discoloration after heating to 250 degree for half hour.
2.Impact Test:Drop 535g steel ball from 500mm height and it's not crack.
3.Thermal Shock Test:Heat the glass to 250 degree for half hour and pour 15 to 20 degree cold water on the surface and it is not be damage.
4.Fragmentation Test:Knock the middle of long side distance from 20mm ,count the particles in a 50mm*50mm area shall not less than 130
5.Packing:
cooktop glass