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???? 1、????? ???? ????? ??? ??????? ?????≥4? ??????? ??????≥4? ????? ?? ?? ?? ≥3? ??(0.3μm)????≥99.9%,???? ???? 2、??? ???, ??? ??, ???? ?? ????? 3500g/g㎡*d, ??? ???? ?? ??? ?? GURLEY??20~100s/100ml ??? ??? 4~15g/㎡, ???? ?? 3、???? ??? ?? ??? ?? ???? ???? ?? ??? ??, ????? ?? ??? ?? ??????? 4??? ?? ????? ???, φ1mm??? ????? ?? ??????? 2N? ?? ???? 1、?? ????? ??(40-60nm), ???? ???? ?????? ?? ????? ????, ????? ?? 2、??? ?? ??? ???, ??? ??, ?? ???, ????? ???, ????? ?? 3、??? ????????? ????, ??? ????, ??? ???? ???? ???, ????? ?? ?????? ?? ??? ??? 4、?????? ???? ???, ?? ?????? ????? ??? ?? ??? ?? 5、UHMWPE ???, ??? ???? ??? GELLEC FH?? ????? ?? ???? ?? 9FH?? 12FH?? ?? ????? ??? ?? ??? (???50gsm) ??? ?? ??? (???50gsm) ??? ?? ??? (???50gsm) ?? μm 9.0 - 12.0 - - ??? g/m2 4.1 67 5.0 68 26 88 ???-?????? sec/100ml 60 47 63 25 146 101 ???-???? sec/100ml - 228 - 184 - 751 MD???? ?????N/25mm ???N/50mm 19.6 128 20.5 146 11.3 112 TD???? ?????N/25mm ???N/50mm 20.2 122 21.0 132 3.4 46 ???? N 3.1 4.3 4.0 5.0 1.0 3.8 ????? g/m2*d 3634 3740 3625 3629 2988 2938 ??? cmH2O 478 489 512 567 70 64 ???? % 99.997 99.995 99.999 99.980 99.9 99.87 GELLEC E?? ????? ?? ???? ?? 16E?? 20E?? ?? ????? ??? ?? ??? (???50gsm) ??? ?? ??? (???50gsm) ??? ?? ??? (???50gsm) ?? μm 16.0 - 20.0 - - ??? g/m2 8.0 75 9.5 78 26 88 ???-?????? sec/100ml 46 31 43 74 146 101 ???-???? sec/100ml - 144 - 148 - 751 MD???? ?????N/25mm ???N/50mm 16.9 117 16.2 120 11.3 112 TD???? ?????N/25mm ???N/50mm 16.2 126 15.7 92 3.4 46 ???? N 1.3 3.7 1.3 3.8 1.0 3.2 ????? g/m2*d 3598 3672 3435 3491 2988 2938 ??? cmH2O 631 639 604 618 70 64 ???? % 99.996 99.982 99.995 99.970 99.9 99.87
◆ ??????????? ??? Gellec?? ???? ??? ?? ?? ??? ◆ ????? ???, ????? ??, ?? ???, ???? ????? ?????? ?? ◆ ????? ??, ???? ????, ????? ?? ◆ ???? ???, ?? ???? ???? ???? ?? ◆ ?? ???? ??, ???? ?? ???? ??, ???? ??? ◆ ??, ???, ????, ??? ?? ?? NO. ?? ?? ???? KN90 ??? KN95 ??? KN100 ??? 1 ?? g/m2 - 40±7% 50±7% 80±5% 2 ?????? % GB 2626 92.4 97.7 99.99 3 ???? Pa GB 2626 118 161 194 4 Breaking strength ?? N GB/T 24218.3 17.9 24.1 45.2 5 ?? N GB/T 24218.3 12.6 14.7 36.1 6 Breaking elongation % GB/T 24218.3 24.2 25.8 27.5 :, .3.????4.Test GB 2626-2019?????? ??????? ???? ????? GB 19083-2010??? ????? ???? FZ/T 64078-2019 Melt blown ??? ?
◆ ??????????? ??? Gellec?? ???? ??? ?? ?? ??? ◆ ????? ???, ???? ?, ?? ???, ???? ????? ????? ?? ◆ ????? ??, ???? ????, ????? ?? ◆ ???? ????, ?? ???? ???? ???? ?? ◆ ?? ???? ??, ???? ??, ???? ??, ????? ??? ◆ ??, ???, ????, ??? ?? ?? NO. ?? ?? ???? ??? BFE95 ??? BFE99 ??? 1 ?? g/m2 - 25±7% 25 25 2 ??????-BFE % YY0469 ≥95 96.8 99.98 3 ?????? % YY0469 ≥30 91.5 97.8 4 ???? Pa 3. ??? ?????, ??? ?????, ??? ????? ? Test YY 0469-2011 ??? ?? ???FZ/T 64078-2019 Melt blown ??? ?
1、?? ??? ????:????? ???:165±3℃ ????:280℃ ????:0.90±0.03g/cm3 ???:?? ?????? ????:≤0.2% ????:≥500g/10min(230℃,2.16kg) ? :?? ???? ?? ??? ??? ???, ?????? ????? ????. 2、?? ? ??? ?? ??????? ???? ?? ??? ???????, melt-spraying ???? ???? ??? ??? ???? ?? ??? ?????. ?? ??? ???? ????? melt-spraying ?? ?????????. ??? ??, ????, ????? ????. ???? ??? ???? ???? ????? ????, ???? ??? ???? (+)???? ?? ?? ??, ??, ????, ???? ? ????? ????? ???. ??? ?? melting spray ?? ????? 95%~99%??)?? ?????. 3、???? BFE??:1.0-1.5% PFE??:1.5-2.0% N95/N98/P1/P2??:2.5-3.0% 4、???? ??? ??? ????????? ??? ????? ?? ????? ?? ????? ???? ??? ?????. ???? ?? ?, ???? ?? ??? ??? ????? ????, ???? ??????. ??????? ?? ? ??? ????. : ???? ???? ????, ???? ??? ????, ?? ??? ???? 5、???? ????? ??? ?????? ?????, ????, ??? ???, ??, ???? ??, ??? ???? ? ?? ??? ???? ?? ??? ?? ? ???? ????
1. ????:PPH-Y1500 ?? ?? ???? ? ???? ??? ? ???? ????? ??? ? ??? ??? ?? ? Melt blown ??? ? ???, ??? ? 2. ??? ?? Properties ?? Units ???? Test Standard ???? Test Condition ??? S.I Typical Value ???? ???? Melt Flow Rate g/10min GB/T 3682 230℃,2.16Kg 1500 ??? Melting Point ℃ GB/T 19466.3 10℃/min 163℃ ?? Density g/cm3 GB/T 1033.1 ???,?? 0.9 ?? ASH % GB/T 9345.1 850℃ 0.024 ??? Volatilc constitucnts % GB/T 2914 110℃ <0.2 ? :?? ???? ?? ??? ??? ???, ?????? ????? ????. ?? ? ???? ????? ??????? ? ? ??? ??????.