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Average Web Tensions For Films & Foils
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Material
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Tension in PLI
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Polystyrene Aluminum Foil
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0.25
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0.5
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1.0
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2.0
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3.0
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4.0
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5.0
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6.0
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7.0
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8.0
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9.0
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10.0
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Polyester
Cellophane
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0.19
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0.38
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0.75
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1.5
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2.3
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3.0
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3.8
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4.5
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5.3
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6.0
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6.8
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7.5
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Acetate
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0.125
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0.3
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0.50
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1.0
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1.5
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2.0
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2.5
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3.0
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3.5
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4.0
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4.5
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5.0
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Polyethylene
Polypropylene and Nylon
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0.075
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0.15
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0.30
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0.6
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0.9
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1.2
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1.5
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1.8
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2.1
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2.4
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2.7
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3.0
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Saran and Vinyl
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0.025
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0.05
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0.10
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0.20
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0.30
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0.40
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0.50
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0.60
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0.70
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0.80
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0.90
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1.0
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Web Thickness in Mils
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0.00025
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0.0005
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0.001
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0.002
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0.003
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0.004
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0.005
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0.006
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0.007
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0.008
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0.009
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0.010
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NOTE:? When these
materials are coated with polyethylene, nylon, polypropylene, eva , or eea,
add .06 PLI per .0005" of coating thickness.
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Average Web Tensions for Paper, Paperboard and Laminations
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Material
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Tension (PLI)
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Paperboard
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Tension (PLI)
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15 lbs./Ream
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0.50
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8 pt.
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3
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20 lbs./Ream
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0.75
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12 pt.
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4
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30 lbs./Ream
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1.0
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15 pt.
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5
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40 lbs./Ream
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1.5
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20 pt.
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7
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60 lbs./Ream
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2.0
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25 pt.
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9
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80 lbs./Ream
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2.5
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30 pt.
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11
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Laminations
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25 lb. paper/.0005 PE/.00035
Foil/.001 PE
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3 PLI
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.001 Cello/.0005 PE/.001 cello
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1.5 PLI
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NOTE: The above
list is a guideline only.
Actual tensions will vary for specific applications.
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