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BMC 940

Vinyl Ester

Supplied by Bulk Molding Compounds, Inc.

The technical datasheet with complete property values for BMC 940 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Corrosion Resistance
  • Good Electrical Properties
 
Uses 
  • Appliance Components
  • Automotive Applications
  • Electrical/Electronic Applications
Forms 
  • BMC - Bulk Molding Compound
Processing Method 
  • Compression Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
ASTM D792
Molding Shrinkage - Flow
in/in
ASTM D955
Water Absorption (73°F, 24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
ASTM D638
Tensile Strength (Yield)
psi
ASTM D638
Tensile Elongation (Yield)
%
ASTM D638
Flexural Modulus
psi
ASTM D790
Flexural Strength
psi
ASTM D790
Impact
Nominal Value
Unit
Test Method
Unnotched Izod Impact
ft·lb/in
ASTM D256
Instrumented Dart Impact (73°F, Total Energy)
in·lb
ASTM D3763
Thermal
Nominal Value
Unit
Test Method
Glass Transition Temperature
°F
ASTM E1356
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.140 in)
 
UL 94
Additional Information
Conductivity, Vendor, Through Plane (Z-direction): 50 S/cm
Conductivity, Vendor, In Plane (X,Y direction): 100 S/cm
Instrumented Impact, ASTM D3763, 23°C, Max Load=169 lbs, Total Energy: 2.63 ft-lb
Instrumented Impact, ASTM D3763, 23°C, Max Load=169 lbs, Energy to Max Load: 0.55 ft-lb
Compressive Creep, ASTM D2990, 200 psi, 200 hr @ 80°C: 0.025%
Compressive Creep, ASTM D2990, 200 psi, 1000 hr @ 80°C: 0.040%
DMA-Modulus, ASTM D4065, 25°C: 2.0x10^6
DMA-Modulus, ASTM D4065, 100°C: 1.6x10^6
DMA-Modulus, ASTM D4065, 150°C: 1.23x10^6
DMA-Modulus, ASTM D4065, 175°C: 0.94x10^6
DMA-Modulus, ASTM D4065, 200°C: 0.50x10^6
Thermal Expansion, E831: 30 micro m/m°C
Thermal Conductivity, E1461-92, In-Plane, 25°C: 46.2 W/m-K
Thermal Conductivity, E1461-92, In-Plane, 85°C: 43.7 W/m-K
Thermal Conductivity, E1461-92, Through-Plane, 25°C: 19.2 W/m-K
Thermal Conductivity, E1461-92, Through-Plane, 85°C: 18.5 W/m-K
Diffusivity, E1461-92, In-Plane, 25°C: 0.302 cm^2/s
Diffusivity, E1461-92, In-Plane, 85°C: 0.231 cm^2/s
Diffusivity, E1461-92, Through-Plane, 25°C: 0.125 cm^2/s
Diffusivity, E1461-92, Through-Plane, 85°C: 0.098 cm^2/s
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: BMC 940, BMC , BMC940, 940, Vinyl Ester, Epoxy, Bulk Molding, VinylEster
Features
Features may also be described by the following terms: Good Electrical Properties, Good Corrosion Resistance, Corrosion Resistant.
Uses
Uses may also be described by the following terms: Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Automotive Applications, Automotive Sector, Appliance Components, Appliance Parts.
Injection
Nominal Value
Unit
 
Mold Temperature
°F
 
Injection Notes
Cure Time: 30-60 sec
Recommended tonnage: 3 tons per square inch of projected part area
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.