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Comparison table of characteristic values


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    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 2.00 2.00
    Paper weight in gsm g/m² 2570 2700
    Density g/cm³ 1.29 1.35
    Tensile strength (Machine direction) Mpa 111 103
    Tensile strength (Cross direction) 60 55
    Bending resistance (Machine direction) mm 19.1
    Bending resistance (Cross direction) 6.4
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.6 0.8
    Thermal contraction rate (Cross direction) 1.4 1.5
    Thermal contraction rate (Thickness) 3.2 3.0
    Breakdown strength kV/mm 23℃50%RH 11.5
    105℃/48h 25.6 25.2
    Volume resistivity MΩ・cm 23℃50%RH 9.0×10⁴

    40℃90%RH/24h

    1.4×10⁴
    Arc resistance Minutes 23℃50%RH 133 133
    Water absorption rate 23℃Water absorption1hr 7.3
    Moisture 105℃/48h 10or less 10or less
    Flame retardance   UL94 HB HB
    Hot wire Minutes UL746A 15~30
    High amp arc Rounds UL746A 120or more
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 1.60 1.60 1.60
    Paper weight in gsm g/m² 2062 2083 2154
    Density g/cm³ 1.29 1.30 1.35
    Tensile strength (Machine direction) Mpa 114 105 79
    Tensile strength (Cross direction) 61 57 48
    Bending resistance (Machine direction) mm 11.8
    Bending resistance (Cross direction) 5.0
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.7 0.7 0.6
    Thermal contraction rate (Cross direction) 1.5 1.5 1.2
    Thermal contraction rate (Thickness) 3.4 3.1 2.1
    Breakdown strength kV/mm 23℃50%RH 15.6 5.3
    105℃/48h 28.2 30.6 29.0
    Volume resistivity MΩ・cm 23℃50%RH 4.8×10⁵ 3.4×10⁴

    40℃90%RH/24h

    2.1×10³ 1.7×10²
    Arc resistance Minutes 23℃50%RH 134 131
    Water absorption rate 23℃Water absorption1hr 6.2
    Moisture 105℃/48h 10or less 10or less 10or less
    Flame retardance   UL94 HB HB V-0
    Hot wire Minutes UL746A 15~30 120or more
    High amp arc Rounds UL746A 120or more 120or more
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 1.20 1.20 1.20
    Paper weight in gsm g/m² 1542 1524 1598
    Density g/cm³ 1.29 1.28 1.36
    Tensile strength (Machine direction) Mpa 121 104 84
    Tensile strength (Cross direction) 65 57 54
    Bending resistance (Machine direction) mm 7.9 16.1 34.6
    Bending resistance (Cross direction) 3.6 11.1 31.1
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.7 0.8 0.6
    Thermal contraction rate (Cross direction) 1.6 1.7 0.9
    Thermal contraction rate (Thickness) 3.6 3.3 1.8
    Breakdown strength kV/mm 23℃50%RH 17.4 9.2
    105℃/24h 30.2 32.1 31.6
    Volume resistivity MΩ・cm 23℃50%RH 1.0×10⁶ 4.9×10⁴

    40℃90%RH/24h

    6.5×10³ 4.5×10²
    Arc resistance Minutes 23℃50%RH 134 130
    Water absorption rate 23℃Water absorption1hr 6.7
    Moisture 105℃/24h 10or less 10or less 10or less
    Flame retardance   UL94 HB HB V-0
    Hot wire Minutes UL746A 7~15 120or more
    High amp arc Rounds UL746A 120or less 120or less
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 1.00 1.00 1.00 1.00
    Paper weight in gsm g/m² 1269 1275 1285 1285
    Density g/cm³ 1.27 1.28 1.29 1.29
    Tensile strength (Machine direction) Mpa 120 102 121 82
    Tensile strength (Cross direction) 64 56 65 46
    Bending resistance (Machine direction) mm 6.3 14.5 14.2
    Bending resistance (Cross direction) 2.7 10.4 10.8
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.7 0.8 0.7 0.8
    Thermal contraction rate (Cross direction) 1.7 1.8 1.6 1.5
    Thermal contraction rate (Thickness) 3.7 3.5 3.1 2.6
    Breakdown strength kV/mm 23℃50%RH 18.5 24.5 9.1
    105℃/24h 32.7 33.7 33.4 34.9
    Volume resistivity MΩ・cm 23℃50%RH 1.8×10⁶ 4.0×10⁶ 3.2×10⁴

    40℃90%RH/24h

    6.1×10³ 3.8×10⁴ 2.6×10²
    Arc resistance Minutes 23℃50%RH 135 130
    Water absorption rate 23℃Water absorption1hr 6.9 2.5
    Moisture 105℃/24h 10or less 10or less 10or less 10or less
    Flame retardance   UL94 HB HB HB V-0
    Hot wire Minutes UL746A 7~15 120or more
    High amp arc Rounds UL746A 120or more 120or more
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 0.80 0.80 0.80 0.80 0.80
    Paper weight in gsm g/m² 989 995 1005 1017 1052
    Density g/cm³ 1.24 1.24 1.26 1.27 1.31
    Tensile strength (Machine direction) Mpa 119 101 105 91 90
    Tensile strength (Cross direction) 63 57 60 47 49
    Bending resistance (Machine direction) mm 4.8 16.6 8.6 8.9
    Bending resistance (Cross direction) 1.8 13.1 4.1 8.2
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.7 0.8 0.7 0.7 0.6
    Thermal contraction rate (Cross direction) 1.8 1.8 1.6 1.5 1.5
    Thermal contraction rate (Thickness) 3.8 3.5 2.8 2.5 2.6
    Breakdown strength kV/mm 23℃50%RH 18.5 20.3 11.0 13
    105℃/24h 33.6 35.5 38.4 36.2 39.8
    Volume resistivity MΩ・cm 23℃50%RH 5.0×10⁶ 1.6×10⁷ 4.1×10⁴ 2.0×10⁵

    40℃90%RH/24h

    7.3×10³ 8.3×10⁴ 3.1×10² 4.8×10³
    Arc resistance Minutes 23℃50%RH 134 128
    Water absorption rate 23℃Water absorption 1hr 7.2 1.6
    Moisture 105℃/24h 10or less 10or less 10or less 10or less 10or less
    Flame retardance   UL94 HB HB HB V-0 V-0
    Hot wire Minutes UL746A 7~15 120or more 30~60
    High amp arc Rounds UL746A 120or more 120or more 120or more
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 0.50 0.50 0.50 0.50 0.50
    Paper weight in gsm g/m² 606 609 620 624 646
    Density g/cm3 1.21 1.22 1.24 1.25 1.29
    Tensile strength (Machine direction) Mpa 114 103 114 90 98
    Tensile strength (Cross direction) 60 58 58 47 55
    Bending resistance (Machine direction) mm 2.2 14.1 5.0 8.5
    Bending resistance (Cross direction) 0.7 11.1 2.3 4.2
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.8 0.8 0.7 0.6 0.5
    Thermal contraction rate (Cross direction) 1.9 1.7 1.6 1.5 1.2
    Thermal contraction rate (Thickness) 3.8 3.7 3.6 2.7 2.8
    Breakdown strength kV/mm 23℃50%RH 19.0 29.1 8.3 17.7
    105℃/24h 37.3 37.2 36.5 37.9 37.3
    Volume resistivity MΩ・cm 23℃50%RH 8.4×10⁶ 8.0×10⁶ 8.9×10⁴ 7.3×10⁵

    40℃90%RH/24h

    1.4×10⁴ 2.9×10⁴ 4.1×10² 3.7×10³
    Arc resistance Minutes 23℃50%RH 130 123
    Water absorption rate 23℃Water absorption1hr 7.3 4.2
    Moisture 105℃/24h 10or less 10or less 10or less 10or less 10or less
    Flame retardance   UL94 V-0 V-0
    Hot wire Minutes UL746A 120or more
    High amp arc Rounds UL746A 120or more
    Test items unit Test conditions General Fibre Heat and water resistant fiber Flame retardant fiber
    HB-77N K-57N RK-76(S)GY NF-77(N)GY RNF-77GY
    Thickness mm 23℃50%RH 0.25 0.25 0.25
    Paper weight in gsm g/m² 254 287 308
    Density g/cm3 1.06 1.15 1.22
    Tensile strength (Machine direction) Mpa 95 85 99
    Tensile strength (Cross direction) 48 44 57
    Bending resistance (Machine direction) mm 0.5 2.2 6.5
    Bending resistance (Cross direction) 0.1 0.7 3.5
    Thermal contraction rate (Machine direction) % 105℃/5hrs 0.8 0.6 0.4
    Thermal contraction rate (Cross direction) 1.9 1.5 1.0
    Thermal contraction rate (Thickness) 3.6 3.2 3.2
    Breakdown strength kV/mm 23℃50%RH 11.7 31.8
    105℃/24h 38.5 40.2 42.7
    Volume resistivity MΩ・cm 23℃50%RH 9.9×10⁴ 8.3×10⁶

    40℃90%RH/24h

    2.4×10³ 2.8×10⁴
    Arc resistance Minutes 23℃50%RH
    Water absorption rate 23℃Water absorption 1hr
    Moisture 105℃/24h 10or less 10or less 10or less
    Flame retardance   UL94 V-0 V-0
    Hot wire Minutes UL746A 120or more
    High amp arc Rounds UL746A 120or more

※ The above figures are reference values, not guaranteed values

※ Physical property value does not change by color, but electrical property value may become low by some color.

Comparison table of characteristic values with various plastic products

特性表"

※ The above values are reference values, not guaranteed values