Polyimide films, Silica, Copper foil and Glass fiber Carbon, Import and export

21st Century General Trading Co., Ltd. KACT

Copper Foil Division

We supply copper foil to domestic manufacturers with exclusive Korean sales rights to copper foil produced in China.

Product list

Product list
Category Standard
Thickness(㎛) ED (HTE,LP,VLP,RTF etc) : single side/ both side SHINY (7.5,8,9,12,18,35,70,105,120 etc)

RA (HTE,LP,VLP,RTF etc) : single side/ both side SHINY (9,12,18,35,70,120,150 etc)

Sheet copper foil : 530mm*630mm, 540mm*640mm, 550mm*630mm etc
*Order production available
Type ED, RA (many colors), Sheet copper foil
Application CCL/FCCL, PCB/FPCB, Electric wire, Electric and Electronic, Automobile, etc

Application field

HN type
Category Unit ED Copper Foil (HTE)
1/3oz(12㎛) Hoz(18㎛) 1oz(35㎛) 2oz(70㎛) 3oz(105㎛)
Area Weight g/m2 107 ± 5 153 ± 7 285 ± 10 585 ± 20 870 ± 30
Tensile Strength 23℃ Mpa ≥ 207 ≥ 207 ≥ 276 ≥ 276 ≥ 276
180℃ ≥ 103 ≥ 103 ≥ 138 ≥ 138 ≥ 138
Elongation 23℃ % ≥ 2 ≥ 2 ≥ 3 ≥ 3 ≥ 4
180℃ ≥ 2 ≥ 2 ≥ 2 ≥ 3 ≥ 4
Roughness S(Ra) ㎛ ≤ 0.43 ≤ 0.43 ≤ 0.43 ≤ 0.43 ≤ 0.43
M(Rz) ≤ 6 ≤ 8 ≤ 10 ≤ 15 ≤ 20
Peel Strength S(Ra) N/mm ≥ 0.9 ≥ 1.1 ≥ 1.4 ≥ 2.0 ≥ 2.0
M(Rz) Lbs/in ≥ 5.1 ≥ 6.3 ≥ 8.0 ≥ 11.4 ≥ 11.4
Anti-Oxidization 23℃ Days 180
200℃ Minutes 40
EN type
Category Unit Treated RA Copper Foil (Red/Black)
9㎛ 12㎛ 18㎛ 35㎛
Area Weight g/m2 80 ± 2 107 ± 3 160 ± 4 311 ± 5
Tensile Strength 180 ℃/30min N/mm2 160-180 160-190 170-210 180-220
Elongation 180 ℃/30min % ≥ 5 ≥ 6 ≥ 8 ≥ 13
S(Ra) ㎛ Max 0.2
M(Rz) 0.8-1.5
Peel Strength N/mm ≥ 0.8 ≥ 0.8 ≥ 0.9 ≥ 1.2
Anti-Oxidization (200℃/0.5h) Pass Pass Pass Pass