10pcs Dental glass ceramic lithium disilicate (LS2) IPS emax Press ingots
USD 36.54 USD
Specifications
| Return Shipping Will Be Paid By | Buyer |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 30 Days |
| Refund Will Be Given As | Money Back |
| Brand | IRIS |
| MPN | Does Not Apply |
| Country/Region Of Manufacture | China |
| Intended Use/Discipline | Dental Laboratory |
Product DescriptionProduct performance[ 1 ] Physical and chemical properties 1.1 Density of glass ceramic pieces for all-ceramic denture: 2.4~2.6g/³ 1.2 The minimum biaxial bending strength of glass ceramic block for all-ceramic denture is 300 MPa. 1.3 Linear expansion coefficient of glass ceramics for all-ceramic dentures (9.80.5) 10-6K-1 1.4 Glass transition temperature of glass ceramics for all porcelain dentures Tg: 510±20℃. 1.5 Radioactivity: Concentration of uranium-238 in glass ceramics for all porcelain dentures ≤ 1.0 Bq/g. 1.6 The maximum chemical solubility of glass ceramic block for all-ceramic denture is 100μg/cm² [ 2 ] Biological properties 2.1 Cytotoxicity: The cytotoxicity of this material is level 0. 2.2 Short-term systemic toxicity test (via oral route): no systemic toxicity. 2.3 Allergenicity test: No allergenicity. 2.4 Hemolysis test: hemolysis rate is less than 5%. 2.5 Ames test: mutagenic negative. 2.6 Oral mucosal irritation test: no oral mucosal irritation.Product coverageUsed to make all-ceramic restorations. UsageThe process is as follows: starting temperature 700℃, heating rate 60℃/min, die casting temperature 915-930℃, heat preservation time 10-30 minutes; vacuum (vacuum value 5 bar) is required during 700-930℃; natural cooling below 300℃.The semi-finished products are processed into finished products by other processes and then used by specialists for human dentures or tooth restoration.
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