Five special properties of our kyanite: |
1.stable properties |
2.Expansion property is good as its Al2O3 comes from kyanite and swell capacity increases with increasing Al2O3 content |
3.The lower swelling temperature,and with increasing temperature it has stable swelling curve and obvious tendency |
4.Lower impurity such as K2O&Na2O,without topaz phase and mica phase |
5.be in light blue color and competitive price |