Ship Double-layers Hollowed Glass Soundproof Window With Aluminium Alloy Frame Nominalsize Maximumoveral formsize Cut-outsize Glassthickness Hollowdistance Glassthickness Weight Averagesoundproof W*H W1*H1 W2*H2 b1 A b2 Kg TL(dB) 300*425 42...

　　Ship Double-layers Hollowed Glass Soundproof Window With Aluminium Alloy Frame

Nominal size	Maximum overal form size	Cut-out size	Glass thickness	Hollow distance	Glass thickness	Weight	Average soundproof
W*H	W1*H1	W2*H2	b1	A	b2	Kg	TL(dB)
300*425	420*545	352*477	6	6	6	10	29
300*425	420*545	352*477	6	9	6	10	30.5
355*500	475*620	407*552	6	6	6	15.6	29
355*500	475*620	407*552	6	6	6	16.2	31.5
400*560	520*680	452*612	6	6	9	18.2	28.6
400*560	520*680	452*612	6	6	6	18.6	31.5
450*630	570*750	502*682	6	6	9	21.2	31.5
500*710	620*830	552*762	6	6	9	25.3	31
900*630	1020*750	952*682	6	12	9	29.4	30.5
900*630	1020*750	952*682	6	16	6	33.2	31.8
900*630	1020*750	952*682	8	24	6	34	35
1000*800	1120*920	1052*852	8	16	6	45.9	31
1000*800	1120*920	1052*852	8	24	6	46.7	35
1200*800	1320*920	1252*852	8	24	6	54.4	34
1400*800	1520*920	1452*852	8	24	6	59.2	33
1600*1000	1720*1120	1652*1052	8	24	6	81.3	32
1800*1200	1920*1320	1852*1252	8	24	6	104.5	30.5

　　Marked sample:Aluminum alloy double-layers hollow glass soundproof window which toughened glass,

　　nominal size 1000*800,hollow distance A=24

　　Marked as:SOUNDPROOF WINDOW 1000*800*24G CB/T 3917-1999