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Plastics Engineering Company 07021 Two-stage Phenolic

Plenco® 07021 is impact grade phenolic molding compound. Customers have found this material useful for switchgear parts, or where mechanical assembly requires better impact strength. Plenco® 07021 is UL recognized under component file E40654. 07021 is available in black.

Functions: Molding Compound

Polymer Name: Phenol Formaldehyde (PF)

Reinforcement Material: Glass Fibers

Processing Methods: Injection Molding

End Uses: Brake Pads, Cases, Housings, Switch Board

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Identification & Functionality

Additives Included
Reinforcement Material
Composite Materials Functions

Features & Benefits

Applications & Uses

Composites Processing Methods

Properties

Color
Flame Rating
Physical Form
Processing Information (Injection Molding)
ValueUnitsTest Method / Conditions
Apparent Density0.48g/cm³ASTM D1895
Arc Resistance77secASTM D495
Coefficient of Thermal Expansion5.5e-05per °CASTM E831
Comparative Tracking Index166VASTM D3638
Compressive Strength213MPaASTM D695
Deflection Temperature (at 1.82MPa)154°CASTM D648
Dielectric Strength (Short Time)10.3kV/mmASTM D149
Dissipation Factor (at 1MHz)0.051ASTM D150
Flexural Modulus6795MPaASTM D790
Flexural Strength73.6MPaASTM D790
Heat Resistance194°CASTM D794
Impact Strength (Drop Ball)139J/mPlenco
Impact Strength (Notched, Charpy)19.6J/mASTM D256
Impact Strength (Notched, Izod)24.4J/mASTM D256
Mold Shrinkage *0.0107m/mASTM D6289
Permittivity (at 1MHz)4.6ASTM D150
Post Shrinkage (at 120°C, 72hr)0.42%ASTM D6289
Rockwell Hardness85E-ScaleASTM D785
Specific Gravity1.38ASTM D792
Tensile Elongation0.8%ASTM D638
Tensile Modulus8327MPaASTM D638
Tensile Strength57MPaASTM D638
UL Flammability (at 1.5mm)HBUL 94
Volume Resistivity130000000000000ohm·cmASTM D257
Water Absorption0.5%ASTM D570

Regulatory & Compliance

Certifications & Compliance