Gromax PBT 3030-201 30% Glass Fiber Filled

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Gromax PBT 3030-201 30% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	Product Description: A glass fiber 30% reinforced 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.
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Physical Properties	Original Value	Comments

Specific Gravity	1.51 g/cc	ASTM D792
Moisture Absorption	0.0400 % @Time 86400 sec	ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0050 cm/cm @Thickness 1.60 mm	horizontal; ASTM D955
	0.0080 - 0.014 cm/cm @Thickness 1.60 mm	vertical; ASTM D955

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	90	ASTM D785
Tensile Strength	1250 kg(f)/cm²	ASTM D638
Elongation at Break	4.0 %	ASTM D638
Flexural Strength	195 MPa	ASTM D790
Flexural Modulus	85000 kg(f)/cm²	ASTM D790
Izod Impact, Notched	>= 9.50 kg-cm/cm @Thickness 6.35 mm	ASTM D256

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	ASTM D257
Surface Resistance	1.00e+13 ohm	ASTM D257
Dielectric Constant	3.5 @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	100 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	30.0 µm/m-°C	ASTM D696
Melting Point	225 °C	DSC
Deflection Temperature at 0.46 MPa (66 psi)	220 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	200 °C	ASTM D648
Flammability, UL94	HB @Thickness 0.800 mm

Processing Properties	Original Value	Comments
Processing Temperature	240 - 270 °C
Nozzle Temperature	260 - 270 °C
Mold Temperature	40.0 - 120 °C	suitable temperature 60-80°C
Injection Pressure	50.0 - 120 MPa
Hold Pressure	30.0 - 80.0 MPa
Back Pressure	0.000 - 0.300 MPa
Screw Speed	60 - 120 rpm	to be chosen in such a way that plasticizing time is just within cooling time

Descriptive Properties
Injection Rate	middle-fast

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