 Tempered glass(toughened glass) and semi-tempered glass(heat-strengthened glass) are made of single high-quality float glass(annealed glass) which is processed by air-cooled quenching method after around 720 ℃ heat,resulting in greatly improving its strength,impact resistance, acute heat/cold resistance,can satisfy the safety need for various architectural building, also for furniture ,shower room,home appliance(such as range hood glass，stove glass),ect.
Normally, tempered glass thickness is 3-25mm and heat-strength (HS) glass thickness is 3-15mm.
The comparision between tempered,HS,annealed glass:
Tempered glass has two kinds of form,that is,flat tempered glass and curved tempered glass, so does HS glass,Curved tempered/HS glass is processed by heating the glass to softening point,sending to cooling secion,forming the glass to match the shape of cooling facility,then cooling.It can be made into many types:curved laminated glass,curved insulated glass(curved IG),curved coated IG,curved coated laminated glass ect.
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