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WSKS

WSKS

Epitome of packaging solutions
Bleached semi-extensible sack kraft paper WSKS is a time proven and reliable solution.  
Strength
Strength
High-speed machinery
High-speed machinery
High Porosity
High Porosity
Printability
Printability

Advantages

Low dust
Low dust
Reduced product loss
Reduced product loss
Preserves packaging look
Preserves packaging look
Safety
Safety

Application segments

Very strong, flexible sack kraft paper WSKS is an optimal solution for modern high-speed packing lines. The paper is ideal for packing powdered products as well as for valve-bag packaging solutions

  • Dry construction mixes
  • Cement
  • Agriculture
  • Food products
Application segments

Technical Properties WSKS

Характеристики СТО


The table above shows typical values for certain basis weights

Test conditions: ISO 554 – 1976 (23 ± 1 °C / 50 ± 2 %)

MD = machine direction; СD = cross direction; WS = wire side

Validity: 01.01.2021 – 31.12.2021

Name Test
method		 WSKS-60 WSKS-65 WSKS-70 WSKS-80 WSKS-90 WSKS-100
Grammage, g/m² GOST R ISO 536 /
ISO 536		 60±2 65±2 70±2 80±2 90±2,5 100±3
Tensile strength , kN/m MD
CD		 ISO 1924-3 4,5
3,4 		4,9
3,7 		5,3
4,0 		6,0
4,6 		6,8
5,1 		7,5
5,7
Tensile index, Nm/g MD
CD		 75
56 		75
56 		75
56 		75
56 		75
56 		75
56
Stretch at break, % MD
CD		 5,6
6,9 		5,6
6,9 		5,6
6,9 		5,6
6,9 		5,6
6,9 		5,6
6,8
Tensile energy absorption (TEA), J/m² MD
CD		 165
175 		180
190 		195
205 		220
230 		250
260 		270
280
TEA index, J/g MD
CD		 2,8
2,9 		2,8
2,9 		2,8
2,9 		2,8
2,9 		2,8
2,9 		2,7
2,8
Теаr index, mNm²/g MD
CD		 GOST 13525.3
(ISO 1974)		 12
12 		12
12 		12
13 		12
13 		12
13 		13
13
Water absorption (Cobb 60), g/m² WS GOST 12605
(ISO 535)		 32 32 32 32 32 32
Air resistance(Gurley method),s ISO 5636-5 18 18 18 18 18 18
Brightness, % GOST 30113-94
(ISO 2470)

 83 83 83 83 83 83
Mosture, % GOST ISO 287 /
ISO 287		 7,5 7,5 7,5 7,5 7,5 7,5