| Customization: | Available |
|---|---|
| Teeth Whitening Method: | Polishing |
| Applicable Departments: | Oral Rehabilitation Department |
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Sapphire dental plaster hard stone
Main raw material: gypsum powder
Specifications: 1 kg/bag, 25 bag/carton
Water powder ratio: water 25ml: powder 100 g
Expansion rate: 0.08%
Bending resistance: 8-10mpa
Specification of sapphire dental plaster hard stone:
| Model | Water ratio | Initial time | 2h flexural strength | 2h compressive strength | Expansion rate |
| Super hard sapphire | 22:100 | 8-10 | 10-12 mpa | 65-70kn | 0.08% |
Scope of sapphire dental plaster hard stone:
Suitable for dental clinics and laboratories for dental implants, casting crowns and bridges and other models.
Operating Instructions of sapphire dental plaster hard stone:
1. Working water temperature: about 25°C.
2. Sprinkle the powder into the water according to the given ratio within 10 seconds and soak for 20 seconds.
3. Mechanical stirring for 30 seconds, manual stirring for 60 seconds.
4. When stirring, the initial fluidity during the mixing process will gradually increase until the optimal fluidity.
5. Working time: 7 minutes (can be formulated according to customer requirements).
6. Do not vibrate after this, so as not to affect the crystallization.
7. Demolding time: about 25 minutes.
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