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Makrolon® 2856 PC | Covestro
High Impact ResistanceTransparencyGood Thermal StabilityFood GradeEasy to DemoldFlame Retardant
Price: Negotiable
Appearance: Transparent
Stock: 0 KG
KG
Negotiable
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    Product Features
    Product TypeRaw Material Product CategoriesPC CAS NO.67-07-2
    ManufacturersCovestro Grade2856 Place of OriginGermany
    AppearanceTransparent Packing Size25/KG  Standard Packaging
    Import NO Usage level Car Parts, Home Appliance Parts, Food Grade, General Grade
    Feature level High Impact Resistance, Transparency Grade
    Processing Method Injection Molding Shape Particle
    Physical Parameters
    Test Item
    Test Method
    Test Condition
    Test Unit
    Test Result
    Rheological properties
    Melt volume-flow rate
    ISO 1133
    300℃, 1.2kg
    cm³/10min
    9.0
    Melt index (mass)
    ISO 1133
    300℃, 1.2kg
    g/10min
    10
    Molding shrinkage, parallel
    ISO 294-4
    60x60x2 mm³/ 500 bar
    %
    0.7
    Mold shrinkage, vertical flow direction
    ISO 294-4
    60x60x2 mm³/ 500 bar
    %
    0.75
    Molding shrinkage, parallel/normal
    b.o. ISO 2577
    -
    %
    0.6~0.8
    Mechanical Properties
    Tensile modulus
    ISO 527-1,-2
    1mm/min
    MPa
    2400
    Yield stress
    ISO 527-1,-2
    50mm/min
    MPa
    65
    Yield strain
    ISO 527-1,-2
    50mm/min
    %
    6.2
    Nominal strain at break
    ISO 527-1,-2
    50mm/min
    %
    >50
    Stress at break
    ISO 527-1,-2
    50mm/min
    MPa
    70
    Strain at break
    b.o. ISO 527-1,-2
    50mm/min
    %
    130
    Tensile creep modulus
    ISO 899-1
    1h
    MPa
    2200
    Tensile creep modulus
    ISO 899-1
    1000h
    MPa
    1900
    Flexural modulus
    ISO 178
    2mm/min
    MPa
    2400
    Bending strength
    ISO 178
    2mm/min
    MPa
    97
    Flexural strain at flexural strength
    ISO 178
    2mm/min
    %
    7.1
    Flexural stress at 3.5 % strain
    ISO 178
    2mm/min
    MPa
    73
    Charpy impact strength
    ISO 179/1eU
    23℃
    kJ/m²
    N
    Charpy impact strength
    ISO 179/1eU
    -60℃
    kJ/m²
    N
    Charpy notched impact strength
    ISO 21305/based on ISO 179/1eA
    23℃/3mm
    kJ/m²
    75P
    Charpy notched impact strength
    ISO 21305/based on ISO 179/1eA
    -30℃/3mm
    kJ/m²
    16C
    Izod notched impact strength
    ISO 21305/based on ISO 179/1eA
    23℃/3mm
    kJ/m²
    70P
    Izod notched impact strength
    ISO 21305/based on ISO 179/1eA
    -30℃/3mm
    kJ/m²
    15C
    Puncture impact properties - maximum force
    ISO 6603-2
    23℃
    N
    5400
    Puncture impact properties - maximum force
    ISO 6603-2
    -30℃
    N
    6300
    Puncture energy
    ISO 6603-2
    23℃
    J
    60
    Puncture energy
    ISO 6603-2
    -30℃
    J
    65
    Ball indentation hardness
    ISO 2039-1
    -
    N/mm²
    115
    Thermal properties
    Glass transition temperature
    ISO 11357-1,-2
    10 ℃/min
    ℃
    145
    Heat distortion temperature
    ISO 75-1,-2
    1.8MPa
    ℃
    125
    Heat distortion temperature
    ISO 75-1,-2
    0.45MPa
    ℃
    137
    Vicat softening temperature
    ISO 306
    50 N; 50 ℃/h
    ℃
    145
    Vicat softening temperature
    ISO 306
    50 N; 120 ℃/h
    ℃
    146
    Linear Thermal Expansion Coefficient
    ISO 11359-1,-2
    23 to 55 ℃
    10^-4/K
    0.65
    Linear Thermal Expansion Coefficient
    ISO 11359-1,-2
    23 to 55 ℃
    10^-4/K
    0.65
    Burning behavior UL 94 [UL recognition]
    UL 94
    0.75 mm
    Class
    V-2
    Burning behavior UL 94 [UL recognition]
    UL 94
    2.5 mm
    Class
    HB
    Oxygen Index
    ISO 4589-2
    Method A
    %
    28
    Thermal Conductivity, through-plane
    ISO 8302
    23℃, 50%RH
    W/(m·K)
    0.20
    Resistance to Heat (Ball Pressure Test)
    IEC 60695-10-2
    -
    ℃
    136
    Relative Temperature Index (Tensile Strength)
    UL 746B
    1.5 mm
    ℃
    125
    Relative Temperature Index (Tensile Impact Strength)
    UL 746B
    1.5 mm
    ℃
    115
    Relative Temperature Index (Electric Strength)
    UL 746B
    1.5 mm
    ℃
    125
    Glow Wire Test
    IEC 60695-2-12
    1.0 mm
    ℃
    850
    Glow Wire Test
    IEC 60695-2-12
    1.5 mm
    ℃
    875
    Glow Wire Test
    IEC 60695-2-12
    3.0 mm
    ℃
    930
    Glow Wire Test
    IEC 60695-2-13
    0.75 mm
    ℃
    875
    Glow Wire Test
    IEC 60695-2-13
    1.5 mm
    ℃
    875
    Glow Wire Test
    IEC 60695-2-13
    3.0 mm
    ℃
    875
    Glow Wire Test
    b.o. EDF HN60 E.02
    1.5 mm
    ℃
    750
    Glow Wire Test
    b.o. EDF HN60 E.02
    3.0 mm
    ℃
    750
    Application of Flame From Small Burner
    DIN 53438-1,-3
    Method K and F/ 2.0 mm
    Class
    K1, F1
    Needle Flame Test
    IEC 60695-11-5
    Method K/ 1.5 mm
    s
    5
    Needle Flame Test
    IEC 60695-11-5
    Method K/ 2.0 mm
    s
    5
    Needle Flame Test
    IEC 60695-11-5
    Method K/ 3.0 mm
    s
    10
    Needle Flame Test
    IEC 60695-11-5
    Method F/ 1.5 mm
    s
    60
    Needle Flame Test
    IEC 60695-11-5
    Method F/ 2.0 mm
    s
    60
    Needle Flame Test
    IEC 60695-11-5
    Method F/ 3.0 mm
    s
    120
    Burning Rate (US-FMVSS)
    ISO 3795
    >=1.0 mm
    mm
    passed
    Flash Ignition Temperature
    ASTM D1929
    -
    ℃
    480
    Self Ignition Temperature
    ASTM D1929
    -
    ℃
    550
    Electrical properties
    Relative Permittivit
    IEC 60250
    100 Hz
    -
    3.1
    Relative Permittivit
    IEC 60250
    1 Hz
    -
    3.0
    Dissipation Factor
    IEC 60250
    100 Hz
    10⁻⁴
    5
    Dissipation Factor
    IEC 60250
    1 Hz
    10⁻⁴
    90
    Volume Resistivity
    IEC 62631-3-1
    -
    Ohm·m
    1E14
    Surface Resistivity
    IEC 62631-3-2
    -
    Ohm
    1E16
    Electrical Strength
    IEC 60243-1
    1 mm
    kV/mm
    34
    Comparative Tracking Index(CTI)
    IEC 60112
    Solution A
    Rating
    250
    Comparative Tracking Index(CTI M)
    IEC 60112
    Solution B
    Rating
    125M
    Electrolytic Corrosion
    IEC 60426
    -
    Rating
    A1
    Other Properties
    Water Absorption (Saturation Value)
    ISO 62
    Water at 23℃
    %
    0.30
    Water Absorption (Equilibrium Value)
    ISO 62
    23℃, 50%RH
    %
    0.12
    Density
    ISO 1183-1
    -
    kg/m³
    1200
    Water Vapor Permeability
    ISO 15106-1
    23℃, 50%RH/ 100 µm film
    g/(m²·24 h)
    15
    Gas Permeation
    b.o. ISO 2556
    Oxygen/ 100 µm film
    cm³/(m²·24 h·bar)
    650
    Gas Permeation
    b.o. ISO 2556
    Oxygen/ 25.4 µm (1 mil) film
    cm³/(m²·24 h·bar)
    2760
    Gas Permeation
    b.o. ISO 2556
    Nitrogen/ 100 µm film
    cm³/(m²·24 h·bar)
    120
    Gas Permeation
    b.o. ISO 2556
    Nitrogen/ 25.4 µm (1 mil) film
    cm³/(m²·24 h·bar)
    510
    Gas Permeation
    b.o. ISO 2556
    Carbon dioxide/ 100 µm film
    cm³/(m²·24 h·bar)
    3800
    Gas Permeation
    b.o. ISO 2556
    Carbon dioxide/ 25.4 µm (1 mil) film
    cm³/(m²·24 h·bar)
    16900
    Bulk Density
    ISO 60
    Pellets
    kg/m³
    660
    Material Specific Properties
    Refractive Index
    ISO 489
    Procedure A
    -
    1.586
    Haze for Transparent Materials
    ISO 14782
    3 mm
    %
    < 0.8
    Luminous Transmittance (Clear Transparent Materials)
    ISO 13468-2
    1 mm
    %
    89
    Luminous Transmittance (Clear Transparent Materials)
    ISO 13468-2
    2 mm
    %
    89
    Luminous Transmittance (Clear Transparent Materials)
    ISO 13468-2
    3 mm
    %
    88
    Luminous Transmittance (Clear Transparent Materials)
    ISO 13468-2
    4 mm
    %
    87
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