ZYLAR® 550

Category: MMBS , Methyl Methacrylate Butadiene Styrene
Manufacturer: INEOS Styrolution Group GmbH
Trademark: ZYLAR®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: dp3ccz_ZYLAR-550.pdf
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ZYLAR 550 is an impact modified styrene acrylic copolymer that provides practical toughness, good clarity and superior processing characteristics for demanding injection molded applications.
General Information
Additive
  • Impact Modifier
Features
  • Copolymer
  • Ethylene Oxide Sterilizable
  • Good Processability
  • Good Toughness
  • High Clarity
  • Impact Modified
  • Low Density
  • Radiation Sterilizable
Uses
  • Appliances
  • Consumer Applications
  • Housings
  • Industrial Applications
  • Medical/Healthcare Applications
  • Toys
Agency Ratings
  • USP XXIII, Class VI
Forms
  • Pellets
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density 1.05g/cm³ISO 1183
Melt Volume-Flow Rate (MVR) ISO 1133
    200°C/5.0 kg 5.00cm³/10min
    220°C/10.0 kg 55.0cm³/10min
Molding Shrinkage 0.20 to 0.60%ISO 294-4
Water Absorption ISO 62
    Saturation, 23°C 0.10%
    Equilibrium, 23°C, 50% RH 0.050%
HardnessNominal ValueUnitTest Method
Ball Indentation Hardness 60.0MPaISO 2039-1
MechanicalNominal ValueUnitTest Method
Tensile Modulus 2100MPaISO 527-2
Tensile Stress (Yield, 23°C)28.0MPaISO 527-2
Tensile Strain (Break, 23°C)50%ISO 527-2
Flexural Modulus 2000MPaISO 178
Flexural Stress 50.0MPaISO 178
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength (23°C)4.0kJ/m²ISO 179
Charpy Unnotched Impact Strength (23°C)No BreakISO 179
Notched Izod Impact Strength (23°C)3.5kJ/m²ISO 180/A
Unnotched Izod Impact Strength 80kJ/m²ISO 180
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature
    0.45 MPa, Annealed 81.0°CISO 75-2/B
    1.8 MPa, Annealed 70.0°CISO 75-2/A
Vicat Softening Temperature 73.0°CISO 306/B50
Maximum Service Temperature 250°C
OpticalNominal ValueUnitTest Method
Refractive Index 1.570ISO 489
Transmittance (550 nm)90.0%ASTM D1003
Haze 1.5%ASTM D1003
InjectionNominal ValueUnit
Drying Temperature 65.0°C
Drying Time 2.0hr
Rear Temperature 180 to 210°C
Middle Temperature 185 to 220°C
Front Temperature 190 to 225°C
Processing (Melt) Temp 200 to 240°C
Mold Temperature 30.0 to 55.0°C
Injection Rate Moderate-Fast
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