the features of fire-rated glass, EI,EW class

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Thickness(mm) Class Integrity Time(min) Insulation Time(min) Temperature of Fire(℃) Maximum Size(mm)
15 EI 30 30 30 950 2000×3200
25 EI 60 60 60 980 1500×3200
48 EI 60 90 90 980 1500×4000
41 EI 120 120 120 1100 1500×3000


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