Lawang geni 2 jam minangka lawang isolasi geni sing dirancang khusus kanggo papan khusus lan bagean tartamtu kanthi wektu tahan geni nganti 120 menit. Dibandhingake karo lawang tahan geni konvensional 0.5-1.5 jam, pilihan materi lan proses produksi luwih ketat lan standar dhuwur.

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