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Sumitomo Bakelite RX® 865M Phenolic Novolac Compound
Categories:
Polymer
;
Thermoset
;
Phenolic
;
Phenolic, Novolac, Glass Filled
Material Notes:
RX® 865M is a fiberglass reinforced phenolic novolac compound, featuring dimensional stability, moderate impact resistance, and good strength and modulus.
Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
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Physical Properties
Metric
English
Comments
Specific Gravity
1.88
g/cc
1.88
g/cc
ASTM D792
Apparent Bulk Density
0.650
g/cc
0.0235
lb/in³
ASTM D1895
Water Absorption
0.050 %
@Time 86400 sec
0.050 %
@Time 24.0 hour
ASTM D570
0.15 %
@Time 173000 sec
0.15 %
@Time 48.0 hour
ASTM D570
Linear Mold Shrinkage
0.0010
cm/cm
0.0010
in/in
ASTM D955
Mechanical Properties
Metric
English
Comments
Hardness, Rockwell E
100
100
ASTM D785
Tensile Strength
75.0
MPa
10900
psi
ASTM D638
Flexural Strength
110
MPa
16000
psi
ASTM D790
Flexural Modulus
18.6
GPa
2700
ksi
ASTM D790
Compressive Strength
224
MPa
32500
psi
ASTM D695
Izod Impact, Notched
0.800
J/cm
1.50
ft-lb/in
ASTM D256A
Electrical Properties
Metric
English
Comments
Dielectric Strength
10.8
kV/mm
@Frequency 60 Hz
274
kV/in
@Frequency 60 Hz
SS, dry; ASTM D149
13.8
kV/mm
@Frequency 60 Hz
351
kV/in
@Frequency 60 Hz
ST, dry; ASTM D149
Arc Resistance
185
sec
185
sec
ASTM D495
Thermal Properties
Metric
English
Comments
CTE, linear, Parallel to Flow
17.0
µm/m-°C
9.44
µin/in-°F
ASTM E831
CTE, linear, Transverse to Flow
39.0
µm/m-°C
21.7
µin/in-°F
ASTM E831
Thermal Conductivity
0.740
W/m-K
5.14
BTU-in/hr-ft²-°F
ASTM C518
Maximum Service Temperature, Air
150
°C
302
°F
UL 746B Temperature Index
Deflection Temperature at 1.8 MPa (264 psi)
280
°C
536
°F
As Molded; ASTM D648A
>=
282
°C
>=
540
°F
Post Baked; ASTM D648A
Flammability, UL94
V-0
@Thickness 3.20 mm
V-0
@Thickness 0.126 in
V-0
@Thickness 1.60 mm
V-0
@Thickness 0.0630 in
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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PSUMIT758 / 194563
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