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No. Parameter   Unit Test Method 70 gsm 75 gsm 80 gsm 90 gsm 95 gsm
1. Basis Weight   gsm T410om-98 70 ± 4% 75 ± 4 % 80 ± 4 % 90 ± 4% 95 ± 4%
2. Thickness   mm T411om-97 0.090 ± 0.003 0.100 ± 0.003 0.103 ± 0.003 0.111 ± 0.003 0.123 ± 0.005
3. Tearing Strength MD
CD
mN

T 220 sp - 96

T414om-98

≥ 300 ≥ 330 ≥ 380 ≥ 430 ≥ 470
≥ 350 ≥ 380 ≥ 480 ≥ 520 ≥ 550
4. Stiffness MD
CD
mNm T 535 om - 96 ≥ 0.20 ≥ 0.30 ≥ 0.40 ≥ 0.50 ≥ 0.65
≥ 0.10 ≥ 0.15 ≥ 0.20 ≥ 0.25 ≥ 0.33
5. Surface Strength W
F
Wax No. T 459 om - 93 ≥ 18 ≥ 18 ≥ 18 ≥ 18 ≥ 18
≥ 16 ≥ 16 ≥ 16 ≥ 16 ≥ 16
6. Smoothness W
F
sec/1 0 cc T479om-91 25 - 45 25 - 45 25 - 45 25 - 45 25 - 45
25 < 45 25 - 45 25 - 45 25 - 45 25 - 45
7. Roughness W
F
ml/min ISO 8791.2-1990 120-260 120-260 120-260 120-260 120-260
120-260 120-260 120-260 120-260 120-260
8. Brightness   % ISO ISO 2470 -1977 # # # # #
9. Opacity   % ISO 2471 -1977 * * * * *
10. Moisture Content   % T 412om-94 * * * * *
11. pH Surface   - T 529 om - 88 7-8 7-8 7-8 7-8 7-8

 

No. Parameter Unit Test Method 140 gsm 150 gsm 160 gsm 170 gsm 180 gsm
1. Basis Weight gsm T410om-98 140 ± 4% 150 ± 4% 160 ± 4% 170 ± 4% 180 ± 4%
2. Thickness mm T 411 om - 97 0.180 ± 0.006 0.194 ± 0.006 0.212 ± 0.006 0.223*0.006 0.225 ± 0.006
3. MD Tearing Strength CD mN T 220 sp - 96 T414om-98 ≥ 5 800 ≥ 850 ≥ 950 ≥ 1150 ≥ 1350
≥ 850 ≥ 900 ≥ 1050 ≥ 1250 ≥ 1450
4. MD Stiffness CD mNm T 535 om - 96 ≥ 2.20 ≥ 2.40 ≥ 2.70 ≥ 3.70 ≥ 4.80
≥ 1.10 ≥ 1.20 ≥ 1.40 ≥ 1.80 ≥ 2.40
5. W Surface Strength Wax No. T 459 om - 93 ≥ 18 ≥ 18 ≥ 18 ≥ 18 ≥ 18
≥ 16 ≥ 16 ≥ 16 ≥ 16 ≥ 16
6. W Smoothness F sec/1 Occ T 479 om - 91 15-35 15-35 15-35 15-35 15-35
15-35 15-35 15-35 15-35 15-35
7. W Roughness ml/min ISO 8791.2-1990 200-400 200-400 200-400 200-400 200-400
200-400 200-400 200-400 200-400 200-400
8. Brightness %ISO ISO 2470 -1977 # # # # #
9. Opacity % IS0 2471-1977 * * * * *
10. Moisture Content % T 412 om- 94 * * * * *
11. pH Surface - T 529 om - 88 7-8 7-8 , 7-8 7-8 7-8

 

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