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Tarnoform® 400

1 of 80 products in this brand
Easy flowing grade, lowered viscosity ISO 9988-1: POM-K, M-GNR, 04-002

Polymer Name: Polyacetal Copolymer (POM)

Processing Methods: Injection Molding

Flexural Modulus: 2500.0 - 2500.0 MPa

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    Properties

    Flame Rating
    Physical Form
    Flame Rating
    IEC 60695-11-10 HB
    Physical Properties
    ValueUnitsTest Method / Conditions
    Melt Flow Index - MFI (190°C/2.16 kg)13g/10 minASTM D 1238
    Melt Mass Flow Rate - MFR (190°C/2.16 kg)13g/10 minASTM D1238
    Melt Volume Flow Rate - MVR (190°C/2.16 kg)11.5cm3/10 minISO 1133
    Molding Shrinkage - Paralell (60×60×2 mm)2%ISO 294-4
    Molding Shrinkage - Paralell (60×60×2 mm)0/-%ISO 294-4
    Molding shrinkage - parallel2%ISO 294-4, 2577
    Water Absorption (23/sat.)0.8%ISO 62
    Moisture Absorption (23°C/50% RH)0.2%ISO 62
    Density1410kg/m3ASTM D 792
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Tensile Modulus2750MPaISO 527
    Yield stress63MPaISO 527
    Yield strain10%ISO 527
    Strain at break25%ISO 527
    Flexural modulus, 23°2500MPaISO 178
    Charpy notched impact strength (+23°)6kJ/m2ISO 179/1eA
    Charpy notched impact strength (-30°)5.5kJ/m2ISO 179/1eA
    Charpy impact strength (+23°)170kJ/m2ISO 179/1eU
    Charpy impact strength (-30°)140kJ/m2ISO 179/1eU
    Izod notched impact strength, +23°6kJ/m2ISO 180/1A
    Ball indentation hardness160MPaISO 2039-1
    Thermal Properties
    ValueUnitsTest Method / Conditions
    Coefficient of Linear Thermal Expansion (parallel)110E-6/KISO 11359-1/-2
    Delfection Temperature Under Load (1.8 MPa)115°CISO 75-1,-2
    Temperature of deflection under load (1.80 Mpa)115°CISO 75-1/-2
    Melting Point (DSC)167°CISO 11357-1-3
    Vicat Softening Temperature (50 N)150°CISO 306
    Melting temperature (10°C/min)167°CISO 11357-1/-3
    Thickness tested3.2mm
    Vicat softening temperature150°CISO 306
    Burning Behavior at thicknessHBclassIEC 60695-11-10
    Electrical Properties
    ValueUnitsTest Method / Conditions
    Comparative Tracking Index - CTI600VUL 746
    Surface Resistivity1.00E+14ohmIEC 60093
    Volume Resistivity1.0e+15ohm.mASTM D 257
    Other Properties
    ValueUnitsTest Method / Conditions
    Water absorption0.8%Sim. to ISO 62
    Humidity absorption0.2%Sim. to ISO 62

    Packaging & Availability

    Regional Availability
    • Asia Pacific
    • Europe
    • Latin America
    • North America