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

Standard Medium Product Image
Standard Medium

23M / 26M / 30M / 33M 36M / 40M / 45M

Wet Strength Medium Product Image
Wet Strength Medium

30MW / 33MW / 36MW 40MW / 45MW

High Performance Medium Product Image
High Performance Medium

HP23M
HP33M

Wax Alternative Medium Product Image
Wax Alternative Medium

NW33M
NW36M
NW40M

Domestic Corrugating Medium Specifications - Imperial

Grade Code
Characteristic
Unit of
Measure
23M 26M 30M 33M 36M 40M 45M HP23M HP33M Method
Basis Weight Cond to 7.5% H20
Nom.
Min.
#/1000 ft2
23
22.1
26
25.0
30
28.8
33
31.7
36
34.6
40
38.4
45
43.2
33
22.1
33
31.7
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.
lbf
48
54
55
55
60
60
60
48
55
Tappi T-809
Ring Crush CD
Min.
#/6in
26
29
40
49
60
67
80
30
66
Tappi T-822
Water Drop Penetration
Max.
sec
10
10
10
10
10
10
10
10
10
Tappi T-831
Wet Tensile *
Min.
lbf
-
-
2.8
3.2
3.8
4.8
5.0
-
-
Tappi T-404
*Wet Strength Grades Available (30MW, 33MW, 36MW, 40MW, 45MW)
Download Chart
 

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)
Download Chart
 

Export Corrugating Medium Specifications - Imperial

Grade Code
Characteristic
Unit of
Measure
30ME 33ME 36ME 40ME 45ME Method
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
Download Chart
 

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
Download Chart