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Gromax PBT 2100-104B

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Unreinforced, Molded
Manufacturer Gromax
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Product Description: PBT unreinforced flame-retarded injection molding grade. Characteristics:Excellent electrical property Excellent mechanic and chemical property Excellent weatherability Excellent wear property Excellent moldability High resistance to fuels, oil, fats and many solventsHigh toughnessInformation provided by Gromax Enterprises Corp.
Physical Properties Metric English Comments
Specific Gravity 1.35 g/cc
1.35 g/cc
ASTM D792
Moisture Absorption 0.0500 %

@Time 86400 sec
0.0500 %

@Time 24.0 hour
ASTM D570
Linear Mold Shrinkage 0.0080 - 0.016 cm/cm

@Thickness 1.60 mm
0.0080 - 0.016 in/in

@Thickness 0.0630 in
horizontal; ASTM D955
0.010 - 0.018 cm/cm

@Thickness 1.60 mm
0.010 - 0.018 in/in

@Thickness 0.0630 in
vertical; ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell R 118
118
ASTM D785
Tensile Strength 34.3 MPa
4980 psi
ASTM D638
Elongation at Break 5.5 %
5.5 %
ASTM D638
Flexural Strength 55.0 MPa
7980 psi
ASTM D790
Flexural Modulus 1.72 GPa
249 ksi
ASTM D790
Izod Impact, Notched >= 0.539 J/cm

@Thickness 6.35 mm
>= 1.01 ft-lb/in

@Thickness 0.250 in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 90.0 µm/m-°C
50.0 µin/in-°F
ASTM D696
Melting Point 225 °C
437 °F
DSC
Deflection Temperature at 0.46 MPa (66 psi) 150 °C
302 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 55.0 °C
131 °F
ASTM D648
Flammability, UL94 V-0

@Thickness 0.800 mm
V-0

@Thickness 0.0315 in
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
ASTM D257
Surface Resistance 1.00e+13 ohm
1.00e+13 ohm
ASTM D257
Dielectric Constant 3.2

@Frequency 60.0 Hz
3.2

@Frequency 60.0 Hz
ASTM D150
Dielectric Strength 20.0 kV/mm

@Thickness 2.00 mm
508 kV/in

@Thickness 0.0787 in
ASTM D149
Dissipation Factor 0.0010

@Frequency 60.0 Hz
0.0010

@Frequency 60.0 Hz
ASTM D150
Arc Resistance 80 sec
80 sec
ASTM D495
Processing Properties Metric English Comments
Processing Temperature 230 - 270 °C
446 - 518 °F
Nozzle Temperature 250 - 270 °C
482 - 518 °F
Mold Temperature 40.0 - 120 °C
104 - 248 °F
suitable temperature 40-60°C
Injection Pressure 50.0 - 120 MPa
7250 - 17400 psi
Hold Pressure 30.0 - 80.0 MPa
4350 - 11600 psi
Back Pressure 0.000 - 0.300 MPa
0.000 - 43.5 psi
Screw Speed 60 - 120 rpm
60 - 120 rpm
to be chosen in such a way that plasticizing time is just within cooling time
Descriptive Properties Value Comments
Injection Rate middle-fast
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