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Hostaform® C 2521

Acetal (POM) Copolymer

Supplied by Ticona

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Product Description
Chemical abbreviation according to ISO 1043-1: POM
Molding compound ISO 9988- 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.

Fulfils EG-directive 2002/72/EU as well as the recommendation XXXIII for consumer goods of the BgVV
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)
BgVV = Bundesinstitut fr gesundheitlichen Verbraucherschutz und Veterin rmedizin
FMVSS = Federal Motor Vehicle Safety Standard (USA)
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
  • South America
Features 
  • Alkali Resistant
  • Copolymer
  • Fuel Resistant
  • Good Chemical Resistance
  • High Impact Resistance
  • Hydrolysis Resistant
  • Oxidation Resistant
  • Solvent Resistant
Agency Ratings 
RoHS Compliance 
Processing Method 
  • Blow Molding
  • Extrusion
  • Film Extrusion
  • Injection Molding
  • Profile Extrusion
  • Sheet Extrusion
Multi-Point Data 
  • Isochronous Stress vs. Strain (ISO 11403-1)
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Shear Modulus vs. Temperature (ISO 11403-1)
  • Viscosity vs. Shear Rate (ISO 11403-2)
  
Resin ID (ISO 1043)
  • POM
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)
in³/10min
 ISO 1133
Molding Shrinkage
     ISO 294-4
Across Flow
%
  
Flow
%
  
Water Absorption (Saturation, 73°F)
%
 ISO 62
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2/1A/1
Tensile Stress (Yield)
psi
 ISO 527-2/1A/50
Tensile Strain (Yield)
%
 ISO 527-2/1A/50
Nominal Tensile Strain at Break
%
 ISO 527-2/1A/50
Tensile Creep Modulus
     ISO 899-1
1 hr
psi
  
1000 hr
psi
  
Flexural Modulus (73°F)
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength
     ISO 179/1eA
-22°F
ft·lb/in²
  
73°F
ft·lb/in²
  
Charpy Unnotched Impact Strength
     ISO 179/1eU
-22°F
ft·lb/in²
  
73°F, Partial Break
ft·lb/in²
  
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature (264 psi, Unannealed)
°F
 ISO 75-2/A
Vicat Softening Temperature
°F
 ISO 306/B50
Melting Temperature 2
°F
 ISO 11357-3
CLTE - Flow
in/in/°F
 ISO 11359-2
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohm
 IEC 60093
Volume Resistivity
ohm·cm
 IEC 60093
Relative Permittivity
     IEC 60250
100 Hz
 
  
1 MHz
 
  
Dissipation Factor
     IEC 60250
100 Hz
 
  
1 MHz
 
  
Comparative Tracking Index
V
 IEC 60112
Electric Strength
V/mil
 IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0591 in
 
  
0.118 in
 
  
Fill Analysis
Nominal Value
Unit
Test Method
Melt Density
g/cm³
 Internal Method
Melt Specific Heat
Btu/lb/°F
 ASTM C351
Melt Thermal Conductivity
Btu·in/hr/ft²/°F
 Internal Method
Ejection Temperature
°F
  
Additional Information
Nominal Value
Unit
Test Method
ISO Type
 
 ISO 9988-1
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Hostaform® C 2521, Hostaform C 2521, Hostaform® , Hostaform, HostaformC2521, C 2521, C2521, Acetal Copolymer, Acetal Copolymer, Acetal (POM) Copolymer, Acetal POM Copolymer, Acetal, pom, Ticona, AcetalPOMCopolymer, 2521C
Features
Features may also be described by the following terms: High Impact Resistance, Good Chemical Resistance, Chemical Resistant.
Agency Ratings
This plastic material has 3 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (1), FDA (1), BgVV (1).
Injection
Nominal Value
Unit
 
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Screw L/D Ratio
 
  
Injection Notes
Standard injection moulding machines with three phase (15 to 25 D)
plasticating screws will fit.
Extrusion
Nominal Value
Unit
 
Melt Temperature
°F
  
Extrusion Notes
Standard extruders with grooved feed zone and short compression
screws (minimum 25 D) will fit.

Film Extrusion Melt temperature: 180 to 190°C
Other Extrusion Melt temperature 180 to 190°C
Profile Extrusion Melt temperature: 180 to 190°C
Sheet Extrusion Melt temperature: 180 to 190°C
Blow Molding Melt temperature: 180 to 190°C
Blow Molding Mould-surface temperature: 60 to 100°C
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.