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TIS. 170-2529
Ministry of Industry

The company operates a strict quality control system which covers every stage of production to ensure that the paper meets the highest standard of quality, therefore, we have received a standard Industry Production Certificate from Industrial Ministry in year 1992 both for the grade 1 and grade 2 quality of kraft corrugated board including the kraft liner board.

Category Number Basis weight Grade
Kraft Liner Board grade-1 TIS.170-2529 125,150,185,230 AA
Kraft Liner Board grade-2 TIS.170-2529 125,150,185 KI
Corrugated Medium TIS.321-2530 115,125 CA


Requirements of Liner Board

Item
Characteristic
Specification
Grade1
Grade2
Basis weight, g/m2
Basis weight, g/m2
125
150
185
230
335
440
125
150
185
230
Test Method
referring to
1.
 
2.
3.
 
4.
Basis weight, tolerance, %, Max.


Moisture content, %, Max.

Water absorption,2 min, g/m2, Max.
Felt side
Wire side

Bursting strength, kPa, Min.
5
5
5
5
5
5
 
10
10
10
10
10
10
32
32
32
32
32
32
40
40
40
40
40
40
330
397
470
569
706
854
5
5
5
5
 
10
10
10
10
32
32
32
32
40
40
40
40
220
265
294
336
ISO 536
ISO287
ISO535
ISO2759



Requirements of Corrugated Medium

Item
Characteristic
Specification
Basis weight, g/m2
Basis weight, g/m2
115
125
Test Method
referring to
1


2

3

4


5

6
Basis weight, tolerance, %, Max.


Moisture content, %, Max.

thickness, mm.

Water absorption, 2 sec, 0.05cm3


Concora crush, N/152.4 mm, min.

Ring crush, N/152.4 mm., Min.
5
10
0.20 - 0.28
 
30 - 400
170
85
5
10
0.22 - 0.30
 
30 - 400
185
95
ISO 536


ISO 287