Short answer: Zirconium tungstate is an oxide ceramic known for negative thermal expansion, contracting when heated. It is used to control thermal expansion in solid materials and composites where dimensional stability matters. Its function arises from lattice-level vibrational mechanisms and depends on phase integrity; it is not a flexible polymer additive or a metallic compensator.

Short answer: Zirconium sulfate phosphate is an inorganic ceramic material investigated for negative thermal expansion behavior, contracting upon heating in its stable structural form. It fits applications where thermal expansion must be tuned in composites or solid parts. The response is structure-dependent and can disappear if phase integrity is not maintained; it is not a polymeric or metallic compensator.