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This is the free Material Data Center Datasheet of RITEFLEX® 440 - TPC - Celanese

Material Data Center offers the following functions for RITEFLEX® 440:
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Informação do produto
Riteflex 440 is a nominal 40 Shore D thermoplastic polyester elastomer with medium modulus.

Flammability at thickness h (1.5 mm)HB-
Características de processamento/físicasValorUnidadeMétodo de ensaio
ISO Dados
Contração após a moldagem, paralelo 1.3 % ISO 294-4, 2577
Propriedades mecânicasValorUnidadeMétodo de ensaio
ISO Dados
Módulo de tração 50 MPa ISO 527
Tensão no escoamento 6 MPa ISO 527
Deformação no escoamento 28 % ISO 527
Resistência ao impacto Charpy , +23°C N kJ/m² ISO 179/1eU
Resistência ao impacto Charpy, -30°C N kJ/m² ISO 179/1eU
Res. impacto Charpy c/entalhe, +23°C N kJ/m² ISO 179/1eA
Res. impacto Charpy c/entalhe, -30°C N kJ/m² ISO 179/1eA
Tensão em 10% de alongamento 4 MPa ISO 527
Tensão em 100% de alongamento 8 MPa ISO 527
Tensão em 300% de alongamento 12.7 MPa ISO 527
Tensão na Ruptura TPE 21 MPa ISO 527
Deformação na Ruptura TPE >300 % ISO 527
Resistência ao rasgamento 96 kN/m ISO 34-1
Dureza Shore D 37 - ISO 7619-1
Propriedades térmicasValorUnidadeMétodo de ensaio
ISO Dados
Temperatura de fusão, 10°C/min 195 °C ISO 11357-1/-3
Temperatura de deflexão térmica, 0.45 MPa 47 °C ISO 75-1/-2
Coef. de expansão térmica linear, paralelo 240 E-6/K ISO 11359-1/-2
Flamabilidade a espessura h HB class IEC 60695-11-10
Espessuras do tubo de teste 1.5 mm -
Propriedades elétricasValorUnidadeMétodo de ensaio
ISO Dados
Constante dielétrica, 1MHz 4.9 - IEC 62631-2-1
Fator de dissipação dielétrica, 1MHz 200 E-4 IEC 62631-2-1
Resistividade volumétrica específica 2E10 Ohm*m IEC 62631-3-1
Resistividade superficial específica >1E15 Ohm IEC 62631-3-2
Resistência elétrica 26 kV/mm IEC 60243-1
Outras propriedadesValorUnidadeMétodo de ensaio
Absorção de água 0.6 % Sim. to ISO 62
Densidade 1110 kg/m³ ISO 1183
Características
Processamento
Moldagem por injeção, Extrusão de laminas
Disponibilidade regional
América do Norte, Europa, Ásia Pacífico, America Centra e do Sul, Oriente/África
Outras informações
Moldagem por injeção
To avoid hydrolytic degradation during processing, RITEFLEX resins have to be dried to a moisture level equal to or less than 0.05%. Drying should be done in a dehumidifying hopper dryer capable of dewpoints <-30°F (-34°C) at 225°F (121°C) for 4 hours.
Rear Temperature 370-390(185-200) deg F (deg C)
Center Temperature 390-410(200-210) deg F (deg C)
Front Temperature 390-420(200-215) deg F (deg C)
Nozzle Temperature 390-420(200-215) deg F (deg C)
Melt Temperature 390-420(200-215) deg F (deg C)
Mold Temperature 75-125(20-55) deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Medium
Injection Speed Fast

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
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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