Paper Specifications
Characteristics | Recommendation |
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Paper Grade | No. 1 or No. 4 Xerographic (Note 1) |
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Fiber Composition | 100% chemical wood pulp |
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Color | White or pastel color |
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Ash Content | 18% maximum (Notes 2 and 4) |
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| Kaolin or china clay (aluminosilicate) or calcium carbonate. |
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Filler | Titanium dioxide or magnesium silicate may be added to improve |
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| brightness. |
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Grain Direction | Parallel to the long dimension (grain long) |
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CaCO3 Content | 0% (Paper that contains CaCO3 can drastically reduce fuser life.) |
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Cutting Method | Rotary precision cut (Lennox, Will, or equivalent) |
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Cutting Tolerance | Length and width: ± 0.787 mm (± 0.031 in.) |
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Squareness: all corners 90° ± 0° 6′ |
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Basis Weight | 16 to 110 lb (60 to 199 g/m2) (See Notes 3 and 4) |
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Caliper | 16 to 19 lb (60 to 72 g/m2): 3.5 to 5.0 mils (90 to 127 µm) |
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20 to 24 lb (75 to 90 g/m2): 3.2 to 4.0 mils (81 to 102 µm) |
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Smoothness (Sheffield) | 16 to 19 lb (60 to72 g/m2): 70 to 170 Sheffield units |
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20 to 24 lb (75 to 90 g/m2): 100 to 200 Sheffield units |
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Porosity (Gurley) | 10 sec/100 ml minimum |
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Coefficient of Static Friction | 0.35 to 0.62 (Notes 3 and 5) |
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Surface Sizing | Starch - Do not use synthetic surface sizing |
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Internal Sizing | Acid Rosin or synthetic |
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(alkylketene dimer or |
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Stiffness (Taber) | 16 to 19 lb (60 to 72 g/m2): MD 1.4 min./CD: 0.5 min. |
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20 to 24 lb (75 to 90 g/m2): MD 1.7 to 4.5 min./CD: 0.8 to 2.4 min. |
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Moisture Content | 3.7% to 5.5% by weight (Notes 3 and 4) |
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Surface Resistivity | 5 x 109 to 1 x 1012 ohms (Notes 3 and 6) |
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NOTES:
1.The No. 1 or No. 4 designation applies only in the U.S.
2.Testing method - Technical Association of the Pulp and Paper Industry (TAPPI).
3.Testing method - American Society for Testing and Materials (ASTM).
4.Testing method - International Organization for Standardization (ISO).
5.Use 127 mm/min (5.0 in./min.) pull rate.
6.Isolate the test specimen from the metal backing plate with a piece of smooth, nonconductive polyester film, at least 0.254 mm (0.010 in.) thick; use 100 volts.
