K2Si4O9

ceramic

· K2Si4O9

K2Si4O9 is a potassium silicate ceramic compound belonging to the family of alkali silicates. This material is primarily encountered in research and industrial applications requiring high-temperature stability, chemical durability, and glass-forming or binding properties. It serves as a precursor, additive, or binder in refractory systems, glass manufacturing, and cement formulations where alkali silicates provide thermal shock resistance and enhanced durability compared to pure silica-based alternatives.

refractory bindershigh-temperature coatingsglass and ceramic bondingthermal insulation systemsindustrial adhesives and sealantsresearch silicate materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.982	eV/atom	—

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

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.

K2Si4O9

Other Properties

Regulatory Screening

Environmental