Accura® e-Stone™

About
Accura® e-Stone™ material is compatible with all intraoral and impression scanning systems that output an .stl file to produce accurate, durable models of individual teeth and arches with crisp resolution. Normal dental lab practices, including drilling, grinding and waxing, can be used with Accura® e-Stone™ material. Due to its high accuracy and repeatability, this material can also be used as a fit-check model for all-digital restorations. Applications Replacement for dental stone Crown and bridge restorations Orthodontic working and study models Features Durable Accurate Selection of color Digital production Benefits Compatible with standard dental lab practices Reduce breakage vs. plaster Decreased steps vs. impression based systems Increased visual detail for better margin viewing Reproducible & archivable for easy remakes&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
FeaturesGood surface appearance,Durability
AvailabilitysNorth America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.13g/cm³
1.19g/cm³
viscosity
30℃0.2 to 0.3Pa·s

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch18 to 25J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed58.0 to 63.0ASTM D648
1.8 MPa, unannealed51.0 to 55.0ASTM D648
Glass transition temperature60.0DMA

Supplementary informationNominal valueUnitTest method
Critical Exposure10.5mJ/cm²
Penetration depth106.7µm

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D80 
Tensile modulus1500 to 1750MPaASTM D638
tensile strength37.0 to 39.0MPaASTM D638
Tensile strain
fracture10 to 23%ASTM D638
Bending modulus1350 to 1750MPaASTM D790
bending strength54.0 to 59.0MPaASTM D790

Notes
1. Typical properties: these are not to be construed as specifications.
2. Liquid, 25°C
3. Solid, 25°C
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