Shanghai YUWA Dental Material Co.,Ltd
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A4 Paste Opaque Classic Color Dental Material
Following VITA Shade Guide
A4 paste opaque is our new products for metal using, classic 16 colors, following VITA
shade guide. Classic color A4 of paste opaque will be used after first fired washing opaque,
helping to cover the color of metal. You can print this classic color A4 of paste opaque once
or twice depanding on the labs technicans. Even you can print this classic color A4 of paste
opaque directly withour washing opaque when you use nickel chrome porcelain with Be.
Nowadays a lot of labs choose our paste opaque instead of others, because of the good
quality and color. You will be surprised at the quite prefect bonding strength of this paste
opaque.
The Firing Schedule of A4 Paste Opaque:
1. Preheat Temp: 600℃
2. Drying Time: 6 min
3. Heat Time: 6 min
4. Final Temp: 930℃
5. Holding Time: 1 min
6. Vacuum Start: 600℃
7. Vacuum Time: 6 min
The Characteristics of A4 Paste Opaque:
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Paste Opaque A4 Compositon is Following:
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SiO2: 35~65 |
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Al2O3: 10~25 |
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K2O: 8~15 |
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TiO2:5~15 |
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CeO2: 4~12 |
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Pigment: 0~12 |
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