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This is the free Material Data Center Datasheet of HOSTAFORM® C 2521 - POM - Celanese

Material Data Center offers the following functions for HOSTAFORM® C 2521:
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Informação do produto
Chemical abbreviation according to ISO 1043-1: POM
Molding compound ISO 29988- POM-K, M-GNR, 01-002

POM copolymer

Stiff-flowing type for injection molding and extrusion with high impact toughness and good tracking resistance over a high range of temperature; good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance; high resistance to thermal and oxidative degradation.

Monomers and additives are listed in EU-Regulation (EU) 10/2011 FDA compliant according to 21 CFR 177.2470
Burning rate ISO 3795 and FMVSS 302 < 75 mm/min for a thickness more than 1 mm.

Ranges of applications: injection molding thick-walled, void-free molded parts; extrusion e.g. for boards and pipes.
FDA = Food and Drug Administration (USA)
FMVSS = Federal Motor Vehicle Safety Standard (USA)

Flammability @1.6mm nom. thickn.HB-
Flammability at thickness h (3 mm)HBUL recognition (h)
Características de processamento/físicasValorUnidadeMétodo de ensaio
ISO Dados
Índice de fluidez volumétrico, MVR 2.5 cm³/10min ISO 1133
Temperatura 190 °C -
Carga 2.16 kg -
Contração após a moldagem, paralelo 2.1 % ISO 294-4, 2577
Contração após a moldagem, perpendicular 1.8 % ISO 294-4, 2577
Densidade do fundido 1200 kg/m³ -
Condutividade térmica do fundido 0.155 W/(m K) -
Capacidade térmica específica do fundido 2210 J/(kg K) -
Temperatura de ejeção 140 °C -
Propriedades mecânicasValorUnidadeMétodo de ensaio
ISO Dados
Módulo de tração 2600 MPa ISO 527
Tensão no escoamento 62 MPa ISO 527
Deformação no escoamento 9 % ISO 527
Deformação nominal na ruptura 32 % ISO 527
Resistência ao impacto Charpy , +23°C 250 kJ/m² ISO 179/1eU
Resistência ao impacto Charpy, -30°C 250 kJ/m² ISO 179/1eU
Res. impacto Charpy c/entalhe, +23°C 8.5 kJ/m² ISO 179/1eA
Res. impacto Charpy c/entalhe, -30°C 7 kJ/m² ISO 179/1eA
Propriedades térmicasValorUnidadeMétodo de ensaio
ISO Dados
Temperatura de fusão, 10°C/min 165 °C ISO 11357-1/-3
Temperatura de deflexão térmica, 1.80 MPa 101 °C ISO 75-1/-2
Coef. de expansão térmica linear, paralelo 110 E-6/K ISO 11359-1/-2
Flamabilidade a 1.5mm esp. nom. HB class IEC 60695-11-10
Espessuras do tubo de teste 1.5 mm -
Flamabilidade a espessura h HB class IEC 60695-11-10
Espessuras do tubo de teste 3.0 mm -
Cartão Amarelo (yellow card) disponível sim - -
Propriedades elétricasValorUnidadeMétodo de ensaio
ISO Dados
Constante dielétrica, 100Hz 4 - IEC 62631-2-1
Constante dielétrica, 1MHz 4 - IEC 62631-2-1
Fator de dissipação dielétrica, 100Hz 15 E-4 IEC 62631-2-1
Fator de dissipação dielétrica, 1MHz 50 E-4 IEC 62631-2-1
Resistividade volumétrica específica 1E12 Ohm*m IEC 62631-3-1
Resistividade superficial específica 1E14 Ohm IEC 62631-3-2
Resistência elétrica 35 kV/mm IEC 60243-1
Outras propriedadesValorUnidadeMétodo de ensaio
Absorção de água 0.65 % Sim. to ISO 62
Absorção de umidade 0.2 % Sim. to ISO 62
Densidade 1410 kg/m³ ISO 1183
Diagrama
Viscosidade - taxa de cisalhamento , HOSTAFORM® C 2521, POM, Celanese
Tensão de cisalhamento - taxa de cisalhamento , HOSTAFORM® C 2521, POM, Celanese
Módulo de cisalhamento dinâmico - temperatura , HOSTAFORM® C 2521, POM, Celanese
Tensão - deformação , HOSTAFORM® C 2521, POM, Celanese
Módulo secante - deformação , HOSTAFORM® C 2521, POM, Celanese
Tensão - deformação (isocrônico) 23°C, HOSTAFORM® C 2521, POM, Celanese
Módulo de fluência - tempo 23°C, HOSTAFORM® C 2521, POM, Celanese
Curva de fluencia 23°C, HOSTAFORM® C 2521, POM, Celanese
Características
Processamento
Moldagem por injeção, Extrusão de laminas, Extrusão de perfis, Extrusão de chapas, Outros tipos de extrusão, Moldagem por sopro
Forma de entrega
Granulos
Aditivos
Desmoldante
Características
Estabilidade térmica, Copolímero
Resistência Química
Resistência do alcalóide, Resistência aos solventes, Resistência à oxidação
Certifications
Contacto com alimentos, Aprovação para contacto com alimentos10/2011, Aprovação de alimentos FDA 21 CFR, Contato com água potável
Disponibilidade regional
América do Norte, Europa, Ásia Pacífico, America Centra e do Sul, Oriente/África
Outras informações
Moldagem por injeção
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %
Standard injection moulding machines with three phase (15 to 25 D)
plasticating screws will fit.

Conditioning e.g. moisturizing is not necessary.
Extrusão de làminas
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %

Standard extruders with grooved feed zone and short compression
screws (minimum 25 D) will fit.

Melt temperature 180-190 °C



Conditioning e.g. moisturizing is not necessary.

In case of very thick wall thickness profiles after-annealing it is
recommended to reduce internal stress.

Annealing temperature 130-140 °C
Annealing time 10 min/mm thickness
Outros tipos de extrusão
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %

Standard extruders with grooved feed zone and short compression
screws (minimum 25 D) will fit.

Melt temperature 180-190 °C



Conditioning e.g. moisturizing is not necessary.

In case of very thick wall thickness profiles after-annealing it is
recommended to reduce internal stress.

Annealing temperature 130-140 °C
Annealing time 10 min/mm thickness
Extrusão de perfis
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %

Standard extruders with grooved feed zone and short compression
screws (minimum 25 D) will fit.

Melt temperature 180-190 °C



Conditioning e.g. moisturizing is not necessary.

In case of very thick wall thickness profiles after-annealing it is
recommended to reduce internal stress.

Annealing temperature 130-140 °C
Annealing time 10 min/mm thickness
Extrusão de chapas
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %

Standard extruders with grooved feed zone and short compression
screws (minimum 25 D) will fit.

Melt temperature 180-190 °C



Conditioning e.g. moisturizing is not necessary.

In case of very thick wall thickness profiles after-annealing it is
recommended to reduce internal stress.

Annealing temperature 130-140 °C
Annealing time 10 min/mm thickness
Moldagem por sopro
General drying is not necessary due to low moisture absorption of
the resin.

In case of bad storage conditions (water contact or condensed water)
the use of a recirculating air dryer (100 to 120 °C / max. 40 mm
layer / 3 to 6 hours) is recommended.

Max. Water content 0,2 %

Standard extruders with plasticating screws (20 to 25 D) will fit.

Melt temperature 180-190 °C
Mould-surface temperature 60-100 °C



Conditioning e.g. moisturizing is not necessary.
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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