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Sumitomo Bakelite North America FS-4 Short-Glass Reinforced Diallyl Phthalate

Category Polymer , Thermoset , Diallyl Phthalate (DAP) , Diallyl Phthalate (DAP) Molding Compound, Short Glass Fiber Filled , Filled/Reinforced Thermoset
Manufacturer Sumitomo Bakelite North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite North America FS-4 Short-Glass Reinforced Diallyl Phthalate.pdf
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Material Notes:
Isophthalate DAP Resin Isomer. Used for critical, high-performance military and commercial electrical components where long-term reliability is demanded.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Density 1.64 g/cc
0.0592 lb/in³
ASTM D792
Apparent Bulk Density 0.270 g/cc
0.00975 lb/in³
Water Absorption 0.35 %
0.35 %
48 hours, 50°C. ASTM D570
Linear Mold Shrinkage 0.0015 - 0.0035 cm/cm
0.0015 - 0.0035 in/in
Compression Molding. ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 69.0 MPa
10000 psi
ASTM D638
Flexural Yield Strength 131 MPa
19000 psi
ASTM D790
Flexural Modulus 13.8 GPa
2000 ksi
ASTM D790
Compressive Yield Strength 152 MPa
22000 psi
ASTM D695
Izod Impact, Notched 1.87 J/cm
3.50 ft-lb/in
ASTM D256A
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 18.0 µm/m-°C

@Temperature 20.0 °C
10.0 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Thermal Conductivity 0.322 W/m-K
2.23 BTU-in/hr-ft²-°F
ASTM F433
Deflection Temperature at 1.8 MPa (264 psi) 260 °C
500 °F
ASTM D648A
Oxygen Index 29 %
29 %
ASTM D2863
Electrical Properties Metric English Comments
Dielectric Constant 4.0

@Frequency 1e+6 Hz
4.0

@Frequency 1e+6 Hz
Wet
4.2

@Frequency 1000 Hz
4.2

@Frequency 1000 Hz
Wet
Dielectric Strength 14.0 kV/mm
356 kV/in
Wet, step-by-step. ASTM D149
15.0 kV/mm
381 kV/in
Wet, short term. ASTM D149
Dissipation Factor 0.010

@Frequency 1000 Hz
0.010

@Frequency 1000 Hz
Wet; ASTM D150
0.014

@Frequency 1e+6 Hz
0.014

@Frequency 1e+6 Hz
Wet; ASTM D150
Arc Resistance 138 sec
138 sec
ASTM D495
Comparative Tracking Index >= 600 V
>= 600 V
UL746A, ASTM D3638
Processing Properties Metric English Comments
Processing Temperature 160 - 180 °C
320 - 356 °F
Mold temperature
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