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Lub foob pob hluav taws kub hnyiab tau yooj yim rau qhov rooj
Gallford Intumescent Fire Door seal yog ua los ntawm exfoliated graphite, nws yog siv rau qhov rooj hluav taws thiab qhov rai lossis txhua qhov chaw kom tiv thaiv hluav taws, pa luam yeeb & acoustic thoob plaws. Tau txais ob qho tib si kev ncaj ncees thiab tus nqi rwb thaiv tsev raws li qhov xav tau, khaws koj lub neej kev nyab xeeb.