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This is the free Material Data Center Datasheet of VESTAKEEP® DC 4450 G - PEEK - Evonik Operations GmbH

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Texto del producto
Tooth-colored polyether ether ketone for dental applications

VESTAKEEP® DC4450 G is a tooth-colored, high viscosity polyether ether ketone (PEEK) resin that is especially designed for removable and fixed dentures, crowns and bridges.

Biocompatibility of VESTAKEEP® Dental
For VESTAKEEP® DC4450 G, biocompatibility has been tested according to ISO 10993-1 recommendations for permanent mucous membrane contact. The compound composition is optimised for high biocompatibility and superior mechanical, thermal and chemical resistance.
 
Biocompatibility test reports available for VESTAKEEP® DC4450 G
Standard Description
ISO 10993-03 Genotoxicity: Salmonella Typhimurium Reverse Mutation Test (Ames Test)
ISO 10993-05 Cytotoxicity: Quantitative Growth Inhibition Test
ISO 10993-10 Irritation: Intracutaneous Reactivity
ISO 10993-10 Sensitization: Local Lymph Node Assay
ISO 10993-11 Acute Systemic Toxicity
ISO 10993-11 Subacute / Subchronic Toxicity 14 days
ISO 10993-18 Extraction Tests
USP Class VI Acute Systemic Toxicity Intracutaneous Reactivity Muscle Implantation

Processing of VESTAKEEP® Dental
VESTAKEEP® DC4450 G can be processed by common melt processing techniques like injection molding and extrusion.

For injection molding, we recommend a melt temperature in the 380°C to 400°C range. The mold temperature should be within 160°C to 200°C, preferably 180°C.

Delivery of VESTAKEEP® Dental
VESTAKEEP® DC4450 G is supplied as granules in 25 kg boxes with moisture-proof polyethylene liners.
 

FOR FURTHER INFORMATION PLEASE CONTACT US AT EVONIK-HP@EVONIK.COM
OR VISIT OUR PRODUCT AT  WWW.EVONIK.COM/MEDICAL-TECHNOLOGY
Caracteristicas de procesamiento y fisicasValorUnidadesMétodo de ensayo
ISO Data
Indice de fluidez volumétrico, MVR 11 cm³/10min ISO 1133
Temperatura 380 °C -
Carga 5 kg -
Contracción posterior al moldeo, paralelo 0.9 % ISO 294-4, 2577
Contracción posterior al moldeo, normal 1.0 % ISO 294-4, 2577
Propiedades mecánicasValorUnidadesMétodo de ensayo
ISO Data
Módulo de tracción 4100 MPa ISO 527
Esfuerzo de fluencia 95 MPa ISO 527
Alarg. en límite elástico 4.8 % ISO 527
Alarg. nominal a rotura 20 % ISO 527
Resistencia al impacto Charpy, +23°C N kJ/m² ISO 179/1eU
Resistencia al impacto Charpy, -30°C N kJ/m² ISO 179/1eU
Resistencia al impacto Charpy c/entalla, +23°C 6.8 kJ/m² ISO 179/1eA
Type of failure C - -
Propiedades térmicasValorUnidadesMétodo de ensayo
ISO Data
Temperatura de fusión, 10°C/min 337 °C ISO 11357-1/-3
Temp. de transición vítrea, 10°C/min 154 °C ISO 11357-1/-2
Estabilidad al calor, 1.80 MPa 155 °C ISO 75-1/-2
Estabilidad al calor, 0.45 MPa 210 °C ISO 75-1/-2
Temp. reblandecimiento Vicat, B 305 °C ISO 306
Coef.de expansión térmica lineal, paralelo 45 E-6/K ISO 11359-1/-2
Propiedades eléctricasValorUnidadesMétodo de ensayo
ISO Data
Constante dieléctrica, 100Hz 3.6 - IEC 62631-2-1
Constante dieléctrica, 1MHz 3.6 - IEC 62631-2-1
Resistividad volumétrica específica >1E13 Ohm*m IEC 62631-3-1
Resistencia dieléctrica 29.3 kV/mm IEC 60243-1
Otras propiedadesValorUnidadesMétodo de ensayo
Absorción de agua 0.4 % Sim. to ISO 62
Absorción de humedad 0.3 % Sim. to ISO 62
Densidad 1510 kg/m³ ISO 1183
Características
Procesamiento y forma de entrega
Moldeo por inyección, Otros tipos de extrusión
Forma de suministro
Sémola
Características
Estabilidad térmica
Resistencia quimica
Resistencia química general
Certifications
Grado médico, Biocompatibility ISO 10993, USP Class VI
Applicaciones
Médico
Disponibilidad regional
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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