Resin Plates Properties

See all Properties for Resin Plates
Select materials below to see individual properties

Bakelite Properties Data Sheets

Values shown below are for reference only.

Bakelite Mechanical Propertie
Item Bending
Strength
Compression Strength Izot Impact
Strength
Cleavage
Strength
Vertical to
Lamination
Horizontal to
Lamination
Unit MPa {kgf/mm2} MPa {kgf/mm2} MPa {kgf/mm2} J/cm kN
Paper
Reinforced
120~180
{12~18}
250~320
{25~32}
170~210
{17~21}
0.2~0.5 3.9~5.9
Cloth
Reinforced
100~150
{10~15}
200~250
{20~25}
100~150
{10~15}
0.5~0.7 6.0~8.0
JIS Testing Method K6911

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Bakelite Thermal Properties
Item Recommended
Operating
Temp.
(See Note 1)
Reference -
Destructive
Temperature
(See Note 2)
Expansion
Coefficient
Thermal Conductivity
Unit C C C−1 W/m.K {cal/cm.sec.C}
Paper
Reinforced
−50~100
(At 130C, without
abnormalities for
2hrs)
120 1.6×10−4 0.21
{0.5×10−3}
Cloth
Reinforced
−50~100
(At 140C, without
abnormalities for
2hrs)
140 0.6×10−4 0.38
{0.9×10−3}
JIS Testing Method K6911

(Note 1)"Recommended Operating Temperature" is the temperature that when used long term will not rapidly reduce the quailty.
(Note 2) "Destructive Temperature" is the temperature at which the material starts carbonization, collapse, and melts.

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Bakelite Electrical Properties
Item Dielectric
Breakdown
(Cross Layer)
Edgewise
Withstand
Voltage
Volume Resistivity Surface
Resistance
Insulation Resistance
4h/150C 100h/25C/90%RH Ordinary
Conditions
After
Boiling
Unit kV/mm kV Ω.cm Ω.cm Ω Ω Ω
Paper
Reinforced
20~28 12~18 3.0×109 9.0×108 5.0×1010 1010~5×1011 5×107~108
Cloth
Reinforced
12~20 8~15 4.0×108 5.0×107 9.0×108 5×109~1010 108~109
JIS Testing Method K6911

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Bakelite Other Properties
Item Component Arc Resistance Water
Absorption
Ratio
Specific Gravity
Main Base Material Main Material
Unit - - sec %
Paper
Reinforced
Kraft Paper Phenol Resin 0.5~1.3 1.4
Cloth
Reinforced
Cotton Phenol Resin 1.6~1.8 1.4
JIS Testing Method K6911

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