Generic Acrylic (PMMA)

Category: Acrylic (PMMA) , Polymethyl Methacrylate Acrylic
Manufacturer: Generic
Trademark: Generic
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: bnWdsx_Generic-Acrylic-PMMA-.pdf
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This data represents typical values that have been calculated from all products classified as: Generic Acrylic (PMMA)

This information is provided for comparative purposes only.
General Information
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 1.14 - 1.20g/cm³ASTM D792
    23°C 1.15 - 1.20g/cm³ISO 1183
Apparent Density 0.65 - 0.71g/cm³ASTM D1895
Melt Mass-Flow Rate (MFR)
    230°C/3.8 kg 0.50 - 8.3g/10 minASTM D1238
    230°C/3.8 kg 0.30 - 5.6g/10 minISO 1133
Melt Volume-Flow Rate (MVR) (230°C/3.8 kg)0.623 - 4.80cm³/10minISO 1133
Spiral Flow 23.5 - 39.0cm
Molding Shrinkage
    Flow : 23°C 0.39 - 0.64%ASTM D955
    23°C 0.40 - 0.60%ISO 294-4
Water Absorption
    23°C, 24 hr 0.29 - 0.42%ASTM D570
    23°C, 24 hr 0.30 - 1.9%ISO 62
    Equilibrium, 23°C, 50% RH 0.30 - 0.37%ISO 62
HardnessNominal ValueUnitTest Method
Rockwell Hardness
    23°C 31 - 105ASTM D785
    23°C 71 - 105ISO 2039-2
Ball Indentation Hardness 169 - 190MPaISO 2039-1
MechanicalNominal ValueUnitTest Method
Tensile Modulus
    23°C 1270 - 3530MPaASTM D638
    23°C 2360 - 3450MPaISO 527-2
Tensile Strength
    Yield, 23°C 37.3 - 73.7MPaASTM D638
    Yield, 23°C 37.0 - 83.5MPaISO 527-2
    Fracture, 23°C 19.3 - 75.2MPaASTM D638
    Fracture, 23°C 49.0 - 77.3MPaISO 527-2
    23°C 36.8 - 79.4MPaASTM D638
    23°C 35.8 - 80.0MPaISO 527-2
Tensile Elongation
    Yield, 23°C 2.4 - 5.2%ASTM D638
    Yield, 23°C 3.6 - 25%ISO 527-2
    Fracture, 23°C 0.20 - 15%ASTM D638
    Fracture, 23°C 1.8 - 7.2%ISO 527-2
Nominal Tensile Strain at Break (23°C)9.9 - 27%ISO 527-2
Flexural Modulus
    23°C 1290 - 3530MPaASTM D790
    23°C 1200 - 3500MPaISO 178
Flexural Strength
    23°C 36.5 - 138MPaASTM D790
    23°C 49.1 - 132MPaISO 178
    Yield, 23°C 63.0 - 137MPaASTM D790
    Fracture, 23°C 33.1 - 110MPaASTM D790
Compressive Strength
    23°C 97.4 - 124MPaASTM D695
    23°C 41.0 - 117MPaISO 604
Taber Abrasion Resistance (23°C)0.00100 - 3.81mgASTM D1044
FilmsNominal ValueUnitTest Method
Tensile Stress (Yield, 23°C)33.0 - 51.1MPaISO 527-3
Tensile Elongation ISO 527-3
    Yield, 23°C 4.5 - 6.2%ISO 527-3
    Fracture, 23°C 24 - 50%ISO 527-3
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength (23°C)1.1 - 2.3kJ/m²ISO 179
Charpy Unnotched Impact Strength (23°C)13 - 25kJ/m²ISO 179
Notched Izod Impact
    23°C 12 - 59J/mASTM D256
    23°C 1.0 - 5.9kJ/m²ISO 180
Notched Izod Impact (23°C)1.50 - 1.60kJ/m²ASTM D256
Unnotched Izod Impact (23°C)230 - 800J/mASTM D256
Instrumented Dart Impact
    23°C 0.300 - 1.11JASTM D3763
    23°C 0.300 - 1.55JISO 6603-2
Dart Drop Impact (23°C)0.339 - 6.43JASTM D3029
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load
    0.45 MPa, not annealed 87.4 - 92.7°CASTM D648
    0.45 MPa, not annealed 81.1 - 106°CISO 75-2/B
    0.45 MPa, annealed 79.8 - 105°CASTM D648
    1.8 MPa, not annealed 72.1 - 105°CASTM D648
    1.8 MPa, not annealed 83.9 - 103°CISO 75-2/A
    1.8 MPa, annealed 51.7 - 106°CASTM D648
    1.8 MPa, annealed 85.7 - 102°CISO 75-2/A
Glass Transition Temperature
    -- 15.0 - 105°CASTM E1356
    -- 108 - 121°CISO 11357-2
    -- 95.0 - 120°CDSC
Vicat Softening Temperature
    -- 80.9 - 120°CASTM D1525
    -- 88.9 - 117°CISO 306
CLTE - Flow
    -- 5.9E-5 - 9.0E-5cm/cm/°CASTM D696
    -- 7.1E-5 - 7.3E-5cm/cm/°CASTM E831
    -- 5.7E-5 - 1.2E-4cm/cm/°CISO 11359-2
Specific Heat (23°C)1460 - 2090J/kg/°CASTM C351
Thermal Conductivity (23°C)0.18 - 0.22W/m/KASTM C177
RTI Elec 50.0 - 90.5°CUL 746
RTI Imp 50.0 - 90.5°CUL 746
RTI 50.0 - 90.5°CUL 746
ElectricalNominal ValueUnitTest Method
Surface Resistivity
    -- 5.0E+10 - 1.0E+16ohmsASTM D257
    -- 1.0E+13 - 1.0E+16ohmsIEC 60093
Volume Resistivity
    23°C 5.5E+9 - 2.5E+15ohms·cmASTM D257
    23°C 1.0E+13 - 1.0E+15ohms·cmIEC 60093
Dielectric Strength
    23°C 15 - 20kV/mmASTM D149
    23°C 20 - 24kV/mmIEC 60243-1
Dielectric Constant (23°C)3.06 - 3.92ASTM D150
Dissipation Factor (23°C)0.039 - 0.050ASTM D150
FlammabilityNominal ValueUnitTest Method
Burning Rate 30mm/minISO 3795
Glow Wire Ignition Temperature 650 - 651°CIEC 60695-2-13
OpticalNominal ValueUnitTest Method
Refractive Index 1.490 - 1.491ASTM D542, ISO 489
Transmittance 87.9 - 92.6%ASTM D1003
Haze 0.10 - 2.6%ASTM D1003
Yellowness Index -0.35 - 1.1YIASTM D1925
InjectionNominal ValueUnit
Drying Temperature 74.9 - 90.3°C
Drying Time 2.5 - 5.0hr
Suggested Max Moisture 0.099 - 0.10%
Hopper Temperature 64.5 - 65.0°C
Rear Temperature 199 - 255°C
Middle Temperature 220 - 255°C
Front Temperature 226 - 256°C
Nozzle Temperature 220 - 245°C
Processing (Melt) Temp 224 - 271°C
Mold Temperature 59.8 - 85.8°C
Injection Pressure 85.5 - 111MPa
Back Pressure 0.300 - 0.753MPa
Screw Speed 75 - 76rpm
Clamp Tonnage 6.8 - 14kN/cm²
Injection instructions
This data represents typical values that have been calculated from all products classified as: Generic Acrylic (PMMA)This information is provided for comparative purposes only.
ExtrusionNominal ValueUnit
Drying Temperature 79.8 - 95.2°C
Drying Time 2.5 - 3.5hr
Cylinder Zone 1 Temp. 200 - 210°C
Cylinder Zone 2 Temp. 215 - 240°C
Cylinder Zone 3 Temp. 220 - 240°C
Cylinder Zone 4 Temp. 240°C
Adapter Temperature 240°C
Melt Temperature 240 - 245°C
Die Temperature 239 - 241°C
Extrusion instructions
This data represents typical values that have been calculated from all products classified as: Generic Acrylic (PMMA)This information is provided for comparative purposes only.
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