This fact is from Impression Materials Properties in Prosthodontics. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Alginate = irreversible hydrocolloid
Agar = reversible hydrocolloid
Elastomeric ranking: Polysulfide least accurate
Condensation silicone releases alcohol
Polyether stiffest hydrophilic
Addition silicone most accurate
ZOE = mucostatic impression