Bulk Molding Compounds BMC 2270 Mineral Filled, Glass Reinforced Polyester

Category	Polymer , Thermoset , Filled/Reinforced Thermoset , Polyester, TS , Thermoset Polyester Glass and Mineral Filled BMC
Manufacturer	BMC - Bulk Molding Compounds Inc.
Trade Name	BMC
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Bulk Molding Compounds BMC 2270 Mineral Filled, Glass Reinforced Polyester.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

BMC 2270 molding compound is a mineral filled, glass-fiber-reinforced polyester compound suitable for compression and transfer molding. It is a general purpose material with medium impact strength and wet insulation resistance.Typical applications include distributor caps and rotors.

Physical Properties	Metric	English	Comments
Specific Gravity	1.86 g/cc	1.86 g/cc
Water Absorption	0.12 %	0.12 %	24 hours, 23°C
Linear Mold Shrinkage	0.0025 - 0.0035 cm/cm	0.0025 - 0.0035 in/in

Mechanical Properties	Metric	English
Hardness, Barcol	25 - 35	25 - 35
Tensile Strength, Ultimate	34.5 - 48.3 MPa	5000 - 7000 psi
Flexural Strength	103 - 138 MPa	15000 - 20000 psi
Compressive Strength	152 - 172 MPa	22000 - 25000 psi
Izod Impact, Notched	1.60 - 2.14 J/cm	3.00 - 4.00 ft-lb/in

Thermal Properties	Metric	English
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F
Flammability, UL94	V-0 @Thickness 6.35 mm	V-0 @Thickness 0.250 in
	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in
	V-0 @Thickness 1.59 mm	V-0 @Thickness 0.0625 in

Electrical Properties	Metric	English	Comments
Dielectric Constant	5.3 @Frequency 60 Hz	5.3 @Frequency 60 Hz
Dielectric Strength	14.8 kV/mm	375 kV/in	Short Time
Dissipation Factor	0.018 @Frequency 60 Hz	0.018 @Frequency 60 Hz
Arc Resistance	190 sec	190 sec
Comparative Tracking Index	>= 500 V	>= 500 V

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

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