H2C — Properties & Data | MatWorld

H2C

ceramic

· JVASP-101982· H2C

H2C is a ceramic material with a lightweight, low-density structure characteristic of hydrocarbon-based or carbon-hybrid ceramic compounds. While specific composition details are not provided, materials in this family are typically investigated for applications requiring low weight combined with moderate stiffness, often in research contexts exploring advanced lightweight ceramics or carbon-ceramic composites. Its potential lies in niche engineering sectors where density reduction is critical and traditional dense ceramics would be prohibitively heavy.

lightweight aerospace componentsthermal protection systemsresearch & developmentlow-density structural ceramicshigh-temperature insulationexperimental composite applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,400.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	3,860.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.03858	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	6.554	eV	DFT · OptB88vdW
↳	8.914	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	2.720	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.801	-	DFT · OptB88vdW
↳	2.290	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00141	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00446	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-305.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	395.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
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)	0.06220	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1142	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.

H2C

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental