BMC 605L

Category: Polyester, TS , Thermoset Polyester
Manufacturer: Bulk Molding Compounds, Inc.
Trademark: BMC
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: xFSypt_BMC-605L.pdf
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BMC 605L molding compound is a low cost, mineral filled, glass-fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding. It is characterized by good moldability, medium impact strength, excellent overall electrical properties and flame resistance. Typical applications include circuit breakers, transformer bobbins and motor end bells. BMC 605L molding compound is produced in extruded form in a range on industrial colors. It is available in logs up to 12 inches in length or as precut slugs, of specific weight, in diameters 1" to 2 ½" . Within this range, smaller diameters are supplied as multiple extrusions and weight tolerances are plus or minus 5 %, up to a maximum of plus or minus 15 grams.
General Information
Filler / Reinforcement
  • Glass\Mineral
Features
  • Flame Retardant
  • Good Electrical Properties
  • Good Moldability
  • Medium Impact Resistance
Uses
  • Electrical/Electronic Applications
Appearance
  • Colors Available
Forms
  • BMC - Bulk Molding Compound
Processing Method
  • Compression Molding
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.95g/cm³ASTM D792
Molding Shrinkage - Flow (Compression Molded)0.25 to 0.40%ASTM D955
Water Absorption (23°C, 24 hr)0.14%ASTM D570
HardnessNominal ValueUnitTest Method
Barcol Hardness 40 to 50ASTM D2583
MechanicalNominal ValueUnitTest Method
Tensile Strength (Yield, Compression Molded)41.4 to 55.2MPaASTM D638
Flexural Strength (Compression Molded)11.0 to 138MPaASTM D790
Compressive Strength 165 to 193MPaASTM D695
ImpactNominal ValueUnitTest Method
Notched Izod Impact (Compression Molded)110 to 320J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed, Compression Molded)260°CASTM D648
ElectricalNominal ValueUnitTest Method
Dielectric Strength 114kV/mmASTM D149
Arc Resistance 190secASTM D495
Comparative Tracking Index (CTI) 600VUL 746
FlammabilityNominal ValueUnitTest Method
Flame Rating UL 94
    1.59 mm V-0
    3.18 mm V-0
    6.35 mm V-0
InjectionNominal ValueUnit
Mold Temperature 138 to 166°C
Note Message
1 .Method A (Short-Time)
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