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BMC 404

Thermoset Polyester

Glass Fiber Reinforcement; Mineral Filler

Supplied by Bulk Molding Compounds, Inc.

The technical datasheet with complete property values for BMC 404 is available to members of the Prospector Plastics Database.
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Product Description
BMC 404 is a general purpose, mineral ?lled, glass ?ber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding. It is of medium strength and meets Ford Speci?cation ESF-M3D121-A. This material has excellent electrical properties. As with all other BMCI compounds, this series can be supplied in logs, slugs or bulk. Typical applications are bobbins, electrical connectors, circuit breakers and as phenolic replacement.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement
  • Mineral Filler
  
Features 
  • Good Electrical Properties
  • Good Strength
  
Uses 
  • Appliances
  • Bobbins
  • Electrical Parts
Automotive Specifications 
Appearance 
  • Natural Color
Forms 
  • Pellets
Processing Method 
  • Extrusion
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Molding Shrinkage - Flow
in/in
 ASTM D955
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (Yield)
psi
 ASTM D638
Flexural Strength (Yield)
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Barcol Hardness
 
 ASTM D2583
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed)
°F
 ASTM D648
Electrical
Nominal Value
Unit
Test Method
Dielectric Strength
V/mil
 ASTM D149
Arc Resistance (0.0625 in)
sec
 ASTM D495
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0625 in)
 
 UL 94
UL
Nominal Value
Unit
Test Method
Comparative Tracking Index (CTI) (0.0625 in)
V
 UL 746
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: BMC 404, BMC , BMC404, 404, Polyester, Thermoset, Polyester Thermoset, Polyester, TS, Polyester TS, Thermoset, TS, Bulk Molding, PolyesterThermoset, PolyesterTS
Features
Features may also be described by the following terms: Good Electrical Properties, Good Strength.
Automotive Specifications
This plastic material has approval for 1 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (1).
Extrusion
Nominal Value
Unit
 
Cylinder Zone 1 Temp.
°F
  
Cylinder Zone 2 Temp.
°F
  
Cylinder Zone 3 Temp.
°F
  
Cylinder Zone 4 Temp.
°F
  
Cylinder Zone 5 Temp.
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.