Exactly VITA Shade Guide Classic Color
Paste Opaque A3.5 Easy Using
This is metal use dental paste opaque. After first fired of washing opaque, we print this
paste opaque A3.5 as second and third layer. This paste opaque can help to cover the color
of metal very well, also offer prefect bonding strength of the metal. It will not show
yellowrish like some paste opaque. If you use the NiCr pocelain metal with Be, like VB or
other similar metal, you can use this paste opaque A3.5 directly without washing opaque or
basic opaque, also this paste opaque can cover the color of metal quite well. Dental labs
technicans can print this paste opaque classic A3.5 once or twice as he/she wish. After
firing, you will find there are no bubbles on the surface of opaque, it's quite easy for labs
technicans to build dentine as third step. Nowadays, this paste opaque classic A3.5 is very
popular in east Asia. Dentist choose the color by VITA shade guide easily. Then the dental
labs technicans just follow the color choosen by dentists.
This is our Paste Opaque A3.5 Composition:
SiO2: 35~65
Al2O3: 10~25
K2O: 8~15
TiO2:5~15
CeO2: 4~12
Pigment: 0~12
The Characteristics of Paste Opaque A3.5:
1. Cover the color of metal quite well, no showing yellowrish.
2. No bubbles and cracks on the surface of opaque after firing.
3. Quite easy for using.
4. Prefect bonding strength of porcelain fused to alloy or washing opaque.
This is the Firing Schedule:
type problem |
WO |
OP |
Preheat Temp(℃) |
600 |
600 |
Drying Time (Min) |
6 |
6 |
Heat Time(Min) |
6 |
6 |
Final Temp(℃) |
950 |
930 |
Holding Time(Min) |
1 |
1 |
Vacuum Start(℃) |
600 |
600 |
Vacuum Time(Min) |
6 |
6 |
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