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Plastics Engineering Company 08218 Polyester BMC

Plenco® 08218 is an 18% glass-filled polyester bulk molding compound characterized as an electrical grade, but has many outstanding properties that make it suitable for a broad range of applications because of its excellent electrical resistance and mechanical strength. Customers have found this material useful for commercial/industrial heavy duty electrical parts, enclosures for power distribution equipment, fuse holders, circuit breaker cases, electric motor housings and components. It is available in bulk or extruded form and colors upon request. It is UL recognized under file E40654.

Functions: Molding Compound

Polymer Name: Thermoset Polyester

Reinforcement Material: Glass Fibers

Processing Methods: Compression Molding

End Uses: Automotive Ignition Parts, Automotive Valve Covers, Brush Cards, Brush Holders, Cases, Circuit Breakers, Electric Motor Mounts, Fuse Holder, HVAC Components, Headlight Liners, Housings, Lighting Fixtures, Marine Applications, Recessed Lighting Baffles

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Identification & Functionality

Chemical Family
Reinforcement Material
Composite Materials Functions

Features & Benefits

Labeling Claims

Applications & Uses

Composites Processing Methods

Properties

Flame Rating
Processing Information (Compression Molding)
ValueUnitsTest Method / Conditions
Arc Resistance191secASTM D495
Coefficient of Thermal Expansion5.3e-05per °CASTM E831
Comparative Tracking Index600VASTM D3638
Compressive Strength141MPaASTM D695
Deflection Temperature (at 1.82MPa)270°CASTM D648
Dielectric Strength (Short Time)13.3kV/mmASTM D149
Dissipation Factor (at 1MHz)0.02ASTM D150
Flexural Modulus12839MPaASTM D790
Flexural Strength137.1MPaASTM D790
Heat Resistance220°CASTM D794
Impact Strength (Notched, Charpy)469.6J/mASTM D256
Impact Strength (Notched, Izod)471.6J/mASTM D256
Mold Shrinkage *0.0027m/mASTM D6289
Permittivity (at 1MHz)4.4ASTM D150
Post Shrinkage (at 120°C, 72hr)0%ASTM D6289
Rockwell Hardness51E-ScaleASTM D785
Specific Gravity1.85ASTM D792
Tensile Elongation0.7%ASTM D638
Tensile Modulus13888MPaASTM D638
Tensile Strength54MPaASTM D638
Thermal Conductivity (at 100°C)0.93W/m/°CASTM E1461
UL FlammabilityV-0UL 94
UL Flammability (at 1.5mm)5VAUL 94
Volume Resistivity37000000000000000ohm·cmASTM D257
Water Absorption0.1%ASTM D570

Regulatory & Compliance

Certifications & Compliance
Chemical Inventories