Hostaform® C13031 XF

About
Hostaform® acetal copolymer grade C13031 XF is an acetal copolymer modified to resist deterioration from aggressive fuel blends. This material is specially targeted for transportation industry fuel systems. In natural form, Hostaform® C13031 XF has a distinctive yellow color (Color code 50/5339) to denote use for fuel systems. Additionally the product is available in black 10/9022 for laser welding applications.&&

Product Description
SupplierCelanese
GenericCopolymer Polyformaldehyde
Material StatusCommercial: Active
FeaturesFuel resistance
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.42g/cm³ISO 1183
Melt Volume Rate
190℃,2.16 kg12.0cm³/10minISO 1133
Shrinkage rate ISO 294-4
TD1.9%ISO 294-4
MD2.2%ISO 294-4

MECHANICALNominal valueUnitTest method
Tensile modulus2850MPaISO 527-2/1A/1
tensile strength
yield62.0MPaISO 527-2/1A/50
Tensile strain
yield11%ISO 527-2/1A/50
Nominal tensile fracture strain30%ISO 527-2/1A/50
Bending modulus
23℃2900MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃6.0kJ/m²ISO 179/1eA
23℃7.5kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃140kJ/m²ISO 179/1eU
23℃150kJ/m²ISO 179/1eU

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed102ISO 75-2/A
0.45 MPa, unannealed159ISO 75-2/B
Melting temperature170ISO 11357-3
Linear coefficient of thermal expansion
TD9.0E-51/℃ISO 11359-2
MD9.0E-51/℃ISO 11359-2

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80 to 100°C
Drying time3.0hr
Hopper temperature20 to 30°C
Barrel rear temperature170 to 180°C
Barrel middle temperature180 to 190°C
Barrel front temperature190 to 200°C
Nozzle temperature190 to 210°C
Processing (melt) temperature190 to 210°C
Mold temperature80 to 120°C
Injection pressure60.0 to 120MPa
Injection speedSlow-Moderate 
Hold pressure60.0 to 120MPa
Back pressure0.00 to 4.00MPa

Notes
1. Typical properties: these are not to be construed as specifications.
2. 30s
3. 10°C/min
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