... Cd-Se Inclusion Red Composition: Zr-Si-Cd-Se Max Temp.: 1300C Remarks: suitable 1. code No.: ... Dark Red Inclusion3. Composition: Zr-Si-Cd-Se4. Max Temp.: 1300C5. the inclusion series is kind of ... contains lead,calcium or boron, but because the color apparent in inclusion pigment is protected by zircon ... color too much time,the zircon crystal will be destroyed, lead to weakening the hue even whitening. ...