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Paper


Product Description
Kreca paper is made from Kreca Chop. Two types of Kreca Paper are available: Carbon paper, whose binder is carbon/graphite, and Natural paper, whose binder is organic. Since Carbon paper is not eroded by corrosive solutions, such as electrolyte, it is widely used for fuel cell electrodes. Its high wear and corrosion resistance properties make natural paper suitable for use as laminate material.

Product Specifications
  E-204 E-704 E-525
Binder Organic Carbon Carbon
Thickness(mm) 0.35 0.2 1.5
Area Weight (g/m2) 40 40 230
Porosity (% vol.) 94 89 91
Surface Resistivity  
  Direction A (Ω/m2) 10 2.1 0.5
Direction B (Ω/m2) 50 6.4 0.8
Tensile Strength  
  Direction A (kgf/5cm) 7 6 6
Direction B (kgf/5cm) 1 1 4
Oxidation Resistivity *(℃) 240 780 800
Ash Contents (ppm) - 130 <10
Standard Dimension 650mm×385m 300mm×300mm **
  Roll Sheet Sheet
* Calculated by thermo-gravimetric analysis data (r.t.~1,000℃, 10℃/min, in air 200ml/min).
** Please make us inquire about size.
• We have ultra-high purity grade and high purity grade about E-704.
• We have only an ultra-high purity grade about E-525.

 

 

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