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Classification of smoke curtains

Classification of smoke curtains EN 12101-1 due to work time and temperature:

TEMPERATURE < 600°C 827°C < TEMPERATURE < 1100°C
D30 30 minut DH30 30 minut
D60 60 minut DH60 60 minut
D90 90 minut DH90 90 minut
D120 120 minut DH120 120 minut
DA >120 minut DHA >120 minut
Brzezna 495
33-386 Podegrodzie