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Bulk Molding Compounds BMC 900 Thermoset Polyester, Soft Flow Encapsulation Grade

Category Polymer , Thermoset , Polyester, TS , Thermoset Polyester Glass Filled BMC
Manufacturer BMC - Bulk Molding Compounds Inc.
Trade Name BMC
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Bulk Molding Compounds BMC 900 Thermoset Polyester, Soft Flow Encapsulation Grade.pdf
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Material Notes:
BMC 900 is an encapsulation grade, soft flow material. As with all other BMCI compounds, this series can be supplied in logs, slugs or bulk.Typical applications are electrical coil encapsulations and armature shafts.
Physical Properties Metric English Comments
Specific Gravity 1.75 - 1.90 g/cc
1.75 - 1.90 g/cc
Water Absorption 0.10 - 0.20 %
0.10 - 0.20 %
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 30 - 40
30 - 40
Tensile Strength, Ultimate 34.5 - 41.4 MPa
5000 - 6000 psi
Flexural Strength 68.9 - 82.7 MPa
10000 - 12000 psi
Flexural Modulus 10.3 - 12.4 GPa
1500 - 1800 ksi
Compressive Strength 124 - 138 MPa
18000 - 20000 psi
Izod Impact, Notched 0.534 - 1.60 J/cm
1.00 - 3.00 ft-lb/in
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 204 °C
>= 400 °F
Flammability, UL94 5VB

@Thickness 1.59 mm
5VB

@Thickness 0.0625 in
Electrical Properties Metric English Comments
Dielectric Strength 12.6 - 13.8 kV/mm
320 - 350 kV/in
Step by Step
13.8 - 15.7 kV/mm
350 - 400 kV/in
Short Time
Arc Resistance 180 - 190 sec
180 - 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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