LK340Z2
LK241Z2
LK340Z1
LK240Z1
Technical Characteristics
Substrate material paper paper paper paper
Substrate colour milky white milky white milky white milky white
Substrate thickness (μm) 200 200 200 200
Coating form full coating full coating stripe coating stripe coating
Magnetic Properties
Coercivity(Oe) 2750 2750 2750 2750
Mem.mag.flux（μWb/m） ≥1.2 ≥1.2 ≥1.2 ≥1.2
Squareness ≥0.8 ≥0.8 ≥0.8 ≥0.8
Switching field ≤0.35 ≤0.35 ≤0.35 ≤0.35
Signal Characteristics
Average signal amplitude UA1 80～130% 80～130% 80～130% 80～130%
Back-reading property ≤25% ≤25% ≤25% ≤25%
DC Erasure ≤10% ≤10% ≤10% ≤10%
Resolution ≥70% ≥70% ≥70% ≥70%
Thermal Properties
Background density ≤0.2   ≤0.2  
The Density at 60℃ ≤0.2   ≤0.2  
The Density at 110℃ ≥0.9   ≥0.9  
The Density at 130℃ ≥1.2   ≥1.2  
Structure：

LK340Z2
LK241Z2
LK340Z1
LK240Z1
  　Magnetic layer   　Protection layer       　Magnetic layer       　Magnetic layer
  　Base paper   　Magnetic layer   　Base paper   　Base paper
  　Thermal layer   　Base paper   　Thermal layer    
  　Protection layer       　Protection layer    

 

 
 
 
 

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