To find the approximate weight of a roll, multiply roll diameter squared minus core diameter squared by roll width and appropriate factor.
|
|
|
|
Factor Chart
|
Type
|
Dia
|
Type
|
Dia
|
Antique
|
.018
|
Tag and Index
|
.026
|
Vellum Offset
|
.020
|
C1S Label
|
.032
|
Bond
|
.021
|
C2S Cover
|
.033
|
Smooth Offset
|
.022
|
C1S Cover & Blanks
|
.030
|
Vellum Bristol Cover
|
.022
|
C2S Coated Freesheet
|
.037
|
Coated Groundwood & SC
|
.032
|
|
|
|
|
Formula
|
[ (Roll Dia²) - (Core Dia²) ]
x Roll Width x Factor
|
|
=
|
Roll Weight
|
|
|
|
Example
|
Find the weight of roll of forms bond paper with a roll diameter of 40 inches, a
core diameter of 3 inches, and a roll width of 17.5 inches.
|
|
[ (40x40) - (3x3) ]
x 17.5 x .021
|
=
|
585 lbs.
|
|
Note: .021 is the appropriate factor for forms bond paper.
|
|
|
Note:
The results of the Interactive Calculations System are estimates and are not guaranteed by Verso Paper.
|
