Cellulose hardwood
LS 0 (HIGHEST GRADE)
Mechanical strength during grinding in a CRA mill up to 60 gr Fr.
— Breaking length, km, not less than 7.5
— Absolute tear resistance, cN, not less than 47
— Fracture strength (number of double kinks), not less than 300
Whiteness, %, not less 89
Weediness, pieces of motes with an area:
— from 0.1 to 1.00 mm², inclusive, no more thirty
— from 1.0 to 2.00 mm², inclusive, no more one
- St. 2.0 mm² 0
pH of water extract 5.0–7.0
Humidity, %, no more twenty
