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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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Testo del prodotto
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)
Caratteristiche FisicheValoreUnitáNorma del test
ISO Data
Indice di fusione di volume, MVR 2.5 cm³/10min ISO 1133
Temperatura 190 °C -
Carico 2.16 kg -
Ritiro di stampaggio, parallelo 2.1 % ISO 294-4, 2577
Ritiro di stampaggio, perpendicolare 1.8 % ISO 294-4, 2577
Densità del fuso 1200 kg/m³ -
Conduttività termica del fuso 0.155 W/(m K) -
Capacità termica specifica del fuso 2210 J/(kg K) -
Temperatura di estrazione 140 °C -
Proprietà MeccanicheValoreUnitáNorma del test
ISO Data
Modulo a trazione 2600 MPa ISO 527
Carico unitario a trazione 62 MPa ISO 527
Deformazione a snervamento 9 % ISO 527
Deformazione nominale a rottura 32 % ISO 527
Resistenza all'urto Charpy, +23°C 250 kJ/m² ISO 179/1eU
Resistenza all'urto Charpy, -30°C 250 kJ/m² ISO 179/1eU
Resistenzia all'urto Charpy con intaglio, +23°C 8.5 kJ/m² ISO 179/1eA
Resistenzia all'urto Charpy con intaglio, -30°C 7 kJ/m² ISO 179/1eA
Proprietà TermicheValoreUnitáNorma del test
ISO Data
Temperatura di fusione, 10°C/min 165 °C ISO 11357-1/-3
Temp.di inflessione sotto carico, 1.80 MPa 101 °C ISO 75-1/-2
Coeff.di dilatazione termica lin., parallelo 110 E-6/K ISO 11359-1/-2
Reaz. al fuoco spess.nom. 1.5mm HB class IEC 60695-11-10
Spessore provato 1.5 mm -
Reazione al fuoco a spessore h HB class IEC 60695-11-10
Spessore provato 3.0 mm -
Yellow Card disponibile - -
Proprietà ElettricheValoreUnitáNorma del test
ISO Data
Costante dielettrica relativa, 100Hz 4 - IEC 62631-2-1
Costante dielettrica relativa, 1MHz 4 - IEC 62631-2-1
Fattore di dissipazione, 100Hz 15 E-4 IEC 62631-2-1
Fattore di dissipazione, 1MHz 50 E-4 IEC 62631-2-1
Resistività volumica 1E12 Ohm*m IEC 62631-3-1
Resistività superficiale 1E14 Ohm IEC 62631-3-2
Rigidità dielettrica 35 kV/mm IEC 60243-1
Altre ProprietàValoreUnitáNorma del test
Assorbimento d'acqua 0.65 % Sim. alla ISO 62
Assorbimento d'umidità 0.2 % Sim. alla ISO 62
Massa volumica 1410 kg/m³ ISO 1183
Raccomandazione de Processabilità Stampaggio ad IniezioneValoreUnitáNorma del test
Pre-essiccamento - Temperatura 100 - 120 °C -
Pre-essiccamento - Tempo 3 - 6 h -
Umidità del Processo ≤0.2 % -
Temperatura di fusione 190 - 210 °C -
Temperatura dello stampo 80 - 120 °C -
Funzioni
Viscosità-Velocità di taglio , HOSTAFORM® C 2521, POM, Celanese
Sforzo di taglio-Velocità di taglio , HOSTAFORM® C 2521, POM, Celanese
Modulo dinamico a taglio-temperatura , HOSTAFORM® C 2521, POM, Celanese
Sforzi-deformazione , HOSTAFORM® C 2521, POM, Celanese
Modulo secante-deformazione , HOSTAFORM® C 2521, POM, Celanese
Sforzi-deformazioni (isocrona) 23°C, HOSTAFORM® C 2521, POM, Celanese
Modulo di scorrimento-tempo 23°C, HOSTAFORM® C 2521, POM, Celanese
Curva di scorrimento 23°C, HOSTAFORM® C 2521, POM, Celanese
Caratteristiche
Processabilità e Forma di Forni
Stampaggio ad Iniezione, Estrusione Film, Estrusione Profilati, Estrusione di Lastre/Fogli, Altre Estrusioni, Soffiaggio
Forma fisica disponibile
Pellet
Additivi
Agente di distacco
Caratteristiche
Stabilità termica, Copolimero
Resistenza Chimica
Resistenza agli alcali, Resistenza ai solventi, Resistenza all'ossidazione
Certifications
Contatto con gli alimenti, Approvato per l'utilizzo per contatto con alimenti 10/2011, Approvato per l'utilizzo per contatto con alimenti secondo la FDA 21 CFR, Contatto con acqua potabile
Disponibilità geografica
Nord America, Europa, Asia Oceano Pacifico, South and Central America, Near East/Africa
Altre informazioni
Stampaggio ad Iniezione
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.
Estrusione Film
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
Altre Estrusioni
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
Estrusione di Profilati
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
Estrusione Lastre/Fogli
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
Soffiaggio
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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