Hood Container Corporation produces semi-chem corrugating medium in a variety of basis weights for standard, wet strength, and high performance applications.

Domestic Corrugating Medium Specifications - Imperial

Grade Code CharacteristicUnit of Measure23M26M30M33M36M40M45MHP23MHP33MMethod
Basis Weight Cond to 7.5% H20
Nom.
Min.
#/1000 ft223 22.126 25.030 28.833 31.736 34.640 38.445 43.233 22.133 31.7Tappi T-410
Moisture
Min.
Nom.
Max.
%7.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.57.5 9.5 11.5Tappi T-412
Concora
Min.
lbf485455556060604855Tappi T-809
Ring Crush CD
Min.
#/6in262940496067803066Tappi T-822
Water Drop Penetration
Max.
sec101010101010101010Tappi T-831
Wet Tensile *
Min.
lbf--2.83.23.84.85.0--Tappi T-404
*Wet Strength Grades Available (30MW, 33MW, 36MW, 40MW, 45MW)
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Domestic Corrugating Medium Specifications - Metric

Grade Code
Characteristic
Unit of
Measure
23M
112gsm
26M
127gsm
30M
146gsm
33M
161gsm
36M
175gsm
40M
195gsm
45M
220gsm
HP23M
112gsm
HP33M
161gsm
Method
Basis Weight Cond to 7.5% H20
Nom.
Min.
GSM
112
107.9
127
122.0
146
140.6
161
154.7
175
168.9
195
187.4
220
210.9
112
107.9
161
154.7
Tappi T-410
Moisture
Min.
Nom.
Max.
%
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
Tappi T-412
Concora
Min.
N(CMT)
214
240
245
245
267
267
267
214
245
Tappi T-809
Ring Crush CD
Min.
kN/m
0.76
0.85
1.17
1.43
1.75
1.96
2.34
0.88
1.93
Tappi T-822
Water Drop Penetration
Max.
sec
10
10
10
10
10
10
10
10
10
Tappi T-831
Wet Tensile *
Min.
kN/m
-
-
0.49
0.56
0.67
0.84
0.88
-
-
Tappi T-404
*Wet Strength Grades Available (30MW, 33MW, 36MW, 40MW, 45MW)
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Export Corrugating Medium Specifications - Imperial

Grade Code
Characteristic
Unit of
Measure
30ME33ME36ME40ME45MEMethod
Basis Weight Cond to 7.5% H20
Nom.
Min.
#/1000 ft2
30
28.8
33
31.7
36.0
34.6
40
38.4
45
43.2
Tappi T-410
Moisture
Min.
Nom.
Max.
%
7.5
9.5
11.5
7.0
9.0
11.0
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
Tappi T-412
Concora
Min.
lbf
60
70
70
75
62
Tappi T-809
Ring Crush CD
Min.
#/6 in
45
50
60
67
80
Tappi T-822
Water Drop Penetration
Max.
sec
10
10
10
10
10
Tappi T-831
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Export Corrugating Medium Specifications - Metric

Grade Code
Characteristic
Unit of
Measure
30ME
146gsm
33ME
161gsm
36ME
175gsm
40ME
195gsm
45ME
220gsm
Method
Basis Weight Cond to 7.5% H20
Nom.
Min.
GSM
146
140.6
161
154.7
175
168.9
195
187.4
220
210.9
Tappi T-410
Moisture
Min.
Nom.
Max.
%
7.5
9.5
11.5
7.0
9.0
11.0
7.5
9.5
11.5
7.5
9.5
11.5
7.5
9.5
11.5
Tappi T-412
Concora
Min.
N(CMT)
267
311
311
334
276
Tappi T-809
Ring Crush CD
Min.
kN/m
1.31
1.46
1.75
1.96
2.34
Tappi T-822
Water Drop Penetration
Max.
sec
10
10
10
10
10
Tappi T-831
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