ASTALENE™ PBT MDA271

Category: PBT , Polybutylene Terephthalate
Manufacturer: Marplex Australia Pty. Ltd.
Trademark: ASTALENE™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: Sp7zO8_ASTALENE-PBT-MDA271.pdf
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ASTALENE MDA271 is a 35% mineral filled polybutylene terephthalate polymer. It has excellent processability, high rigidity and a high specific gravity. It has been specifically designed for plumbing applications. ASTALENE MDA271 is a development grade. The typical properties are based on limited experimental data, and are subject to change as more data becomes available.
General Information
Filler / Reinforcement
  • Mineral filler, 35% filler by weight
Features
  • Rigidity, high
  • High density
  • Workability, good
Uses
  • Pipe components
Appearance
  • Natural color
Forms
  • Particle
Processing Method
  • Injection molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.76g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (250°C/2.16 kg)22g/10 minASTM D1238
Molding Shrinkage - Flow 1(3.00 mm)1.4%ASTM D955
Water Absorption (24 hr)0.080%ASTM D570
HardnessNominal ValueUnitTest Method
Rockwell Hardness (R-Scale)112ASTM D785
MechanicalNominal ValueUnitTest Method
Tensile Strength 2(3.20 mm)54.0MPaASTM D638
Tensile Elongation 3(Break, 3.20 mm)2.0%ASTM D638
Flexural Modulus 4(3.20 mm)3500MPaASTM D790
Flexural Strength 5(3.20 mm)83.0MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact (3.20 mm)35J/mASTM D256
Dart Drop Impact (3.20 mm)4.00JASTM D3029
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, unannealed, 3.20mm 170°CASTM D648
    0.45 MPa, unannealed, 12.7mm 185°CASTM D648
    1.8 MPa, unannealed, 3.20mm 78.0°CASTM D648
    1.8 MPa, unannealed, 12.7mm 80.0°CASTM D648
Vicat Softening Temperature 200°CASTM D1525 6
CLTE - Flow 7.0E-5cm/cm/°CASTM D696
FlammabilityNominal ValueTest Method
Flame Rating (1.60 mm)HBUL 94
Additional Information
Glow Wire Temperature, AS 2420, 1.6 mm: 550°CVicat Softening Temperature, ASTM D1525, 1 kg: >200°C
InjectionNominal ValueUnit
Drying Temperature 120 - 130°C
Drying Time 4.0 - 6.0hr
Rear Temperature 230 - 240°C
Middle Temperature 240 - 250°C
Front Temperature 250 - 260°C
Processing (Melt) Temp 250 - 270°C
Mold Temperature 60.0°C
Injection Pressure 60.0 - 140MPa
Injection Rate Fast
Back Pressure 0.300 - 1.00MPa
Clamp Tonnage 3.0 - 6.0kN/cm²
Injection instructions
Nozzle Temperature: Do not exceed stock temperatureScrew Speed: Minimum
Note Message
1 .D2 type
2 .5.0 mm/min
3 .5.0 mm/min
4 .1.3 mm/min
5 .1.3 mm/min
6 .压 力1 (10N)
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