A. Schulman BMC 1403 Electrical Grade

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A. Schulman BMC 1403 Electrical Grade
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	BMC 1403 is one of the most useful general-purpose electrical grade materials available on the market. Competitive against phenolic, melamine, and urea materials for electrical applications. Easy molding in compression, transfer and injection processes. Stable shelf life. UL® recognized. This material was formerly known as Glastic® 1403.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.91 - 1.97 g/cc	1.91 - 1.97 g/cc
Water Absorption	0.12 - 0.16 %	0.12 - 0.16 %	24 hours, 23°C
Linear Mold Shrinkage	0.0010 - 0.0030 cm/cm	0.0010 - 0.0030 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	40 - 50	40 - 50
Tensile Strength, Ultimate	34.5 - 41.4 MPa	5000 - 6000 psi
Flexural Strength	100 - 114 MPa	14500 - 16500 psi
Flexural Modulus	11.7 - 13.1 GPa	1700 - 1900 ksi
Compressive Strength	145 - 159 MPa	21000 - 23000 psi
Izod Impact, Notched	1.60 - 2.14 J/cm	3.00 - 4.00 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Strength	17.2 kV/mm	438 kV/in	Short Time
Dissipation Factor	0.026 @Frequency 60 Hz	0.026 @Frequency 60 Hz	Condition A
	0.058 @Frequency 60 Hz	0.058 @Frequency 60 Hz	Condition D
	0.078 @Frequency 60 Hz	0.078 @Frequency 60 Hz	Condition A
	0.119 @Frequency 60 Hz	0.119 @Frequency 60 Hz	Condition D
Arc Resistance	199 sec	199 sec

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	V-0	V-0

Processing Properties	Metric	English	Comments
Mold Temperature	138 - 166 °C	280 - 330 °F

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PBMC046 / 27229

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