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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
Resin ID
Filler Content
Physical Properties
ValueUnitsTest Method / Conditions
Melt Mass Flow Rate - MFR (190°C/2.16 kg)7.5g/10 minASTM D1238
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Modulus9500MPaISO 527-2/1A/1
Flexural Modulus8500MPaASTM D 790
Flexural Stress at 3.5%200MPaISO 178
Charpy Impact Strength (23°C)50kJ/m2ISO 179/1eU
Charpy Notched Impact Strength (-30°C)7.5kJ/m2ISO 179
Poisson's Ratio0.34-ASTM E132
Thermal Properties
ValueUnitsTest Method / Conditions
Melting Temperature (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 (1 mm, 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)2.0 - 4.0h-
Processing Moisture Content≤0.2%-
Melt Temperature Optimum215°C-
Min. Melt Temperature210°C-
Max. Melt Temperature220°C-
Mold Temperature Optimum90°C-
Min. Mold Temperature80°C-
Max. Mold Temperature100°C-
Hold Pressure Range80 - 100MPa-
Hold Pressure Time8s/mm-
VDA Properties
ValueUnitsTest Method / Conditions
Fogging - F Value (Refraction)90DS%ISO 6452
Fogging - F Value (Refraction) AMin%ISO 6452

Packaging & Availability

Regional Availability

Delrin® 525GR BK000