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Sumitomo Bakelite North America RX® 525 Cellulose Reinforced Phenolic Novolac

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Cellulose Filled
Manufacturer Sumitomo Bakelite North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite North America RX® 525 Cellulose Reinforced Phenolic Novolac.pdf
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Material Notes:
RXÂ 525 is a cellulose fiber reinforced phenolic novolac molding compound. This material is recommended for parts requiring moderate toughness. It is designed to meet the requirements of ASTM D-5948-96, Type CFG.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Bulk Density 0.500 g/cc
0.0181 lb/in³
ASTM D1895
Density 1.39 g/cc
0.0502 lb/in³
ASTM D792
Water Absorption 0.30 %

@Time 86400 sec
0.30 %

@Time 24.0 hour
ASTM D570
1.7 %

@Time 173000 sec
1.7 %

@Time 48.0 hour
ASTM D570
Linear Mold Shrinkage 0.0020 cm/cm
0.0020 in/in
ASTM D955
Mechanical Properties Metric English Comments
Hardness, Rockwell E 75
75
ASTM D785
Tensile Strength at Break 41.0 MPa
5950 psi
ASTM D638
Flexural Strength 69.0 MPa
10000 psi
at rupture; ASTM D790
Flexural Modulus 8.30 GPa
1200 ksi
ASTM D790
Compressive Strength 169 MPa
24500 psi
ASTM D695
Izod Impact, Notched 0.350 J/cm
0.656 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 43.0 µm/m-°C
23.9 µin/in-°F
ASTM E831
CTE, linear, Transverse to Flow 52.0 µm/m-°C
28.9 µin/in-°F
ASTM E831
Thermal Conductivity 0.540 W/m-K
3.75 BTU-in/hr-ft²-°F
ASTM C518
Maximum Service Temperature, Air 150 °C
302 °F
UL Temperature Index; UL 746B
Deflection Temperature at 1.8 MPa (264 psi) 165 °C
329 °F
As Molded; ASTM D648A
Flammability, UL94 HB

@Thickness 1.60 mm
HB

@Thickness 0.0630 in
V-0

@Thickness 3.20 mm
V-0

@Thickness 0.126 in
Electrical Properties Metric English Comments
Dielectric Strength 1.00 kV/mm

@Frequency 60.0 Hz
25.4 kV/in

@Frequency 60.0 Hz
step-by-step, wet; ASTM D149
2.00 kV/mm

@Frequency 60.0 Hz
50.8 kV/in

@Frequency 60.0 Hz
short time, wet; ASTM D149
Arc Resistance 70 sec
70 sec
ASTM D495
Descriptive Properties Value Comments
Color Black
Form Pellet
Molding Method Compression
Injection
Transfer
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