PF5 — Properties & Data | MatWorld

PF5

ceramic

· PF5

PF5 is a phenolic resin-based ceramic composite, part of the phenol-formaldehyde family of thermosetting polymers that are often filled or reinforced to achieve ceramic-like performance characteristics. This material is valued in applications requiring good electrical insulation, moderate thermal stability, and cost-effective manufacturing at scale, particularly where rigidity and dimensional stability are needed but extreme high-temperature performance is not critical. PF5 is commonly selected over pure phenolic resins when enhanced mechanical stiffness or thermal properties are desired, and over advanced ceramics when cost and ease of machining/molding are priorities.

electrical insulators and circuit componentsautomotive under-hood fixturesindustrial adhesives and laminatesconsumer appliance housingslow-cost bearing and bushing materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,029.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	1,077.6	ksi	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09635	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	7.356	eV	DFT · OptB88vdW
↳	9.831	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	2.140	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	1.948	-	DFT · OptB88vdW
↳	1.624	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.573	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

PF5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental