Sodium Feldspar (N-01):
K2O - 0.50% (+/-0.5%)
SiO2 - 69% (+/-1%)
Ai2O3 - 18% (+/-2%)
Na2O - 10% (+/- 1%)
Fe2O3 - 0.08% (+/- 0.05%)
L.O.I - 0.10%
Firing Result: Milky White
Sodium Feldspar (N-02):
K2O - 2% (+/-1%)
SiO2 - 70% (+/-1%)
Ai2O3 - 18% (+/-2%)
Na2O - 8% (+/- 1%)
Fe2O3 - 0.10% (+/- 0.05%)
L.O.I - 0.20%
Firing Result: White