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BMC 304

Thermoset Polyester

Glass Fiber Reinforcement

Supplied by Bulk Molding Compounds, Inc.

The technical datasheet with complete property values for BMC 304 is available to members of the Prospector Plastics Database.
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Product Description
BMC 304 is a low profile, automotive grade molding compound that is suitable for injection, compression or transfer molding operations. BMC 304 can be coated using traditional or electrostatic coating systems and demonstrates excellent adhesion characteristics. BMC 304 can be supplied in logs, slugs or bulk form. Typical applications include automotive headlamp and foglamp reflectors, and automotive body panels.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement
Features 
  • Good Adhesion
Uses 
  • Automotive Applications
Automotive Specifications 
Forms 
  • BMC - Bulk Molding Compound
Processing Method 
  • Compression Molding
  • Injection Molding
  • Resin Transfer Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Water Absorption (73°F, 24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
psi
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength
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
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0625 in)
 
 UL 94
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: BMC 304, BMC , BMC304, 304, 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 Adhesion.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector.
Automotive Specifications
This plastic material has approval for 3 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): FORD (1), CHRYSLER (1), GM (1).
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.