Multilayer dental pmma

Multilayer dental pmma blocks series that fit zirkon zahn, amann girrbach, wieland open dental cad/cam milling system. The pmma blocks have fours layers mixed together that offer aesthetically look for dental restoration.

Technical

1. Melting point: 110-115℃（DSC ）

2. Density: 1.35-1.45g/cm³

3. Hardness:85-90（Shore hardness ）

4. Linear Expansion：0.01%

5. Thermal decomposition residue: <1.0%

6. Antistatic: Yes

7. Component: PMMA >99%,Pigment< 0.1%

8. Organic residues :<1.0%

9. Application:
Milling ;Temporary Crown,

10. Machining parameters:

1). Spindle speed：18000-20000r/min
2). Rough machining ：0.5 mm
3). Finishing machining ：0.05 mm.

Multilayer pmma properties: