Sora tea pack

SORA tea pack is a woodfree coated paper for tea envelopes.

Paper specification

TS – 16. 07. 2019 STANDARD 60 70 80 Tolerance
Grammage [g/m2] ISO 536 60 70 80 ± 2
Spec. volume [cm3/g] ISO 534 1.05 1.06 1.07 ± 0.04
Smoot. Bendtsen [ml/min] ISO 8791-2 100 100 100 ± 35
Rel. humidity [%] DIN 53118 47.5 47.5 47.5 ± 7.5
D65 brightness [%] ISO 2470-2 (D65/10°) 97 97 97 ± 2
CIE whiteness [%] ISO 11475 (D65/10°) 124 124 124 124
Opaciy [%] ISO 2471 89 93 95 ± 2