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Master Bond adhesives

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Gromax PBT 1100-211D
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded

Material Notes: Product Description: PBT unreinforced middle viscosity injection molding grade.

Characteristics:

  • Excellent electrical property
  • Excellent temperature resistance, high heat distortion temperature.
  • Excellent mechanic and chemical property
  • Excellent weatherability
  • Excellent wear property
  • Excellent moldability
  • High resistance to fuels, oil, fats and many solvents

    Information provided by Gromax Enterprises Corp.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 1.30 - 1.32 g/ccASTM D792
Moisture Absorption 0.0600 %
@Time 86400 sec
ASTM D570
Viscosity Test 86.5 - 89.5 cm³/gIntrinsic; ASTM D2857
Linear Mold Shrinkage 0.012 - 0.018 cm/cm
@Thickness 1.60 mm
ASTM D955
Melt Flow 32 - 38 g/10 min
@Load 2.16 kg,
Temperature 235 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 85 - 90ASTM D785
Tensile Strength 500 - 600 kg(f)/cm²ASTM D638
Elongation at Break >= 50 %ASTM D638
Flexural Strength 80.0 - 90.0 MPaASTM D790
Flexural Modulus 23000 kg(f)/cm²ASTM D790
Izod Impact, Notched >= 4.50 kg-cm/cm
@Thickness 6.35 mm
ASTM D256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmASTM D257
Surface Resistance >= 1.00e+13 ohmASTM D257
Dielectric Constant 3.3
@Frequency 60 Hz
ASTM D150
Dielectric Strength >= 20.0 kV/mm
@Thickness 2.00 mm
ASTM D149
Dissipation Factor 0.0010
@Frequency 60 Hz
ASTM D150
Arc Resistance 120 secASTM D495
 
Thermal PropertiesOriginal ValueComments
CTE, linear 90.0 µm/m-°CASTM D696
Melting Point 223 - 227 °CDSC
Deflection Temperature at 0.46 MPa (66 psi) 155 °CASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °CASTM D648
Flammability, UL94 HB
@Thickness 1.60 mm
 
Processing PropertiesOriginal ValueComments
Processing Temperature 230 - 260 °C
Nozzle Temperature 245 - 250 °C
Mold Temperature 30.0 - 100 °Csuitable temperature 40-60°C
Injection Pressure 50.0 - 100 MPa
Hold Pressure 30.0 - 70.0 MPa
Back Pressure 0.000 - 0.300 MPa
Screw Speed 60 - 120 rpmto be chosen in such a way that plasticizing time is just within cooling time
 
Descriptive Properties
Carboxyl End Groups<25 meq/kgChang Chun
Color<2.8b
 >84L, Chang Chun
Injection Ratemiddle

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