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BMC 5338

Thermoset Polyester

Glass\Mineral

Supplied by Bulk Molding Compounds, Inc.

The technical datasheet with complete property values for BMC 5338 is available to members of the Prospector Plastics Database.
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Product Description
BMC 5338 molding compound is a mineral Filled, glass-fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding. It is a high impact material produced in extruded form for ease of handling. Other characteristics are good over all electrical properties and flame resistance. Typical applications include circuit breaker housings, standoff insulators, bus supports and tool housings. BMC 5338 molding compound is produced in extruded form in a range on industrial colors. It is available in logs up to 12 inches in length and from 1" to 2 ½" in diameter 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  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass\Mineral
Features 
  • Flame Retardant
  • Good Electrical Properties
  • High Impact Resistance
Uses 
  • Electrical Housing
  • Electrical/Electronic Applications
  
Appearance 
  • Colors Available
Forms 
  • BMC - Bulk Molding Compound
Processing Method 
  • Compression Molding
  • Injection Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Molding Shrinkage - Flow (Compression Molded)
in/in
 ASTM D955
Water Absorption (73°F, 24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (Yield, Compression Molded)
psi
 ASTM D638
Flexural Strength (Compression Molded)
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (Compression Molded)
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, Compression Molded)
°F
 ASTM D648
Electrical
Nominal Value
Unit
Test Method
Dielectric Strength 2
V/mil
 ASTM D149
Arc Resistance
sec
 ASTM D495
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0625 in
 
  
0.125 in
 
  
0.250 in
 
  
UL File Number
 
  
UL
Nominal Value
Unit
Test Method
Comparative Tracking Index (CTI)
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 5338, BMC , BMC5338, 5338, Polyester, Thermoset, Polyester Thermoset, Polyester, TS, Polyester TS, Thermoset, TS, Bulk Molding, PolyesterThermoset, PolyesterTS
Features
Features may also be described by the following terms: High Impact Resistance, Good Electrical Properties.
Uses
Uses may also be described by the following terms: Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Electrical Housings, Electrical Housing.
Injection
Nominal Value
Unit
 
Mold Temperature
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
2Method A (Short-Time)
 
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.