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 |