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Delrin® 525GR BK000

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Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Injection Molding
Fillers Included: Glass Fiber
Flexural Modulus: 8500.0 MPa
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Identification & Functionality

Fillers Included
Plastics & Elastomers Functions

Delrin® 525GR BK000 Features & Benefits

Applications & Uses


Physical Form
Part Marking Code
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Modulus9500MPaISO 527-1/-2
Flexural Modulus8500MPaISO 178
Poisson's Ratio0.34--
Stress (at Break)150MPaISO 527-1/-2
Strain (at Break)3%ISO 527-1/-2
Flexural Stress (at 3.5%)200MPaISO 178
Charpy Impact Strength (at 23°C)50kJ/m²ISO 179/1eU
Notched Charpy Impact Strength (at 23°C)10kJ/m²ISO 179/1eA
Notched Charpy Impact Strength (at -30°C)7.5kJ/m²ISO 179/1eA
Typical Properties
ValueUnitsTest Method / Conditions
Resin IdentificationPOM-GF25-ISO 1043
Thermal Properties
ValueUnitsTest Method / Conditions
Melt Temperature (at 10°C/min)178°CISO 11357-1/-3
Temperature of Deflection Under Load (1.8 Mpa)172°CISO 75-1/-2
Temperature of Deflection Under Load (0.45 Mpa)175°CISO 75-1/-2
ValueUnitsTest Method / Conditions
FMVSS ClassB-ISO 3795 (FMVSS 302)
Burning Rate (at 1mm Thickness)44mm/minISO 3795 (FMVSS 302)
Other Properties
ValueUnitsTest Method / Conditions
Density1590kg/m³ISO 1183
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Drying Recommendedyes--
Drying Temperature80°C-
Drying Time (Dehumidified Dryer)2 - 4h-
Processing Moisture Contentmax. 0.2%-
Hold Pressure Range80 - 100MPa-
Hold Pressure Time8s/mm-
Melt Temperature (Optimum)215°C-
Melt Temperature (Minimum)210°C-
Melt Temperature (Maximum)220°C-
Maximum Screw Tangential Speed0.3m/s-
Mold Temperature (Optimum)90°C-
Mold Temperature (Minimum)80°C-
Mold Temperature (Maximum)100°C-
VDA Properties
ValueUnitsTest Method / Conditions
Fogging (F-Value, Refraction, Assessed) ᴰˢmin. 90%ISO 6452
Rheological Properties
ValueUnitsTest Method / Conditions
Melt Mass Flow Rate (at 190°C, 2.16 kg)7.5g/10minISO 1133
Mold Shrinkage (Parallel)0.4%ISO 294-4, 2577
Mold Shrinkage (Normal)1.2%ISO 294-4, 2577
  • [DS]: Derived from similar grade

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Certifications & Compliance

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Delrin® 525GR BK000