PAPER THICKNESS BY GRADE

Since Printing Production can not be intelligently evaluated without due consideration to the caliper (thickness) of the grade to be printed, we list below excerpts from PIA Production PAR System of Production Control.

Average Average

Grade Basis Thickness Grade Basis Thickness

BOND	9	.002	EGGSHELL	50	.0045
17 x 22	13	.0025	25 x 38	60	.005
	16	.003		70	.006
	20	.004		80	.0065
	24	.0045
			ENGLISH FINISH	45	.0025
BRISTOL-SMOOTH	82 1/2	.00675	25 x 38	50	.0035
22 1/2 x 28 1/2	90	.00775		60	.004
	100	.00875		70	.0045
	120	.01025
	140	.01225	INDEX	90	.007
	160	.01425	25 1/2 x 30 1/2	110	.0085
	180	.0165		140	.0115
	200	.0175		170	.014
				220	.0175
23 x 35	100	.00675
	110	.00775	LEDGER	24	.004
	125	.00875	17 x 22	28	.005
	150	.01025		32	.00525
	175	.01225		36	.00575
	200	.01425		40	.0065
	225	.01625		44	.007
	250	.0175
			OFFSET	50	.004
BRISTOL-ANTIQUE	90	.0095	25 x 38	60	.0045
22 1/2 x 28 1/2	100	.0105		70	.005
	120	.0125		80	.006
	140	.0145		100	.0075
	160	.017		120	.009
	180	.019
	200	.020	SUPER	50	.0025
			25 x 38	60	.003
23 x 35	110	.0095		70	.004
	125	.0105
	150	.0125	TAG	80	.006
	175	.0145	24 x 36	100	.0075
	200	.017		125	.009
	225	.019		150	.011
	250	.020		175	.0125
				200	.015
COATED BOOK	60	.003		250	.018
25 x 38	70	.0035		300	.0225
	80	.004
	100	.0055	TEXT	60	.0045
	120	.006	25 x 38	70	.0065
				80	.007
COATED COVER	50	.005
20 x 26	60	.006	VELLUM	20	.004
	65	.0065	17 x 22	24	.005
	80	.008		28	.006
	100	.010		32	.0065
				36	.0075
COVER-ANTIQUE	50	.007		40	.0085
	65	.009
	80	.0105
	100	.0135
	130	.018

The thicknesses shown above are approximate. Paper thickness may vary from mill to mill.