while ISO 4823 specification states that elastomeric impression materials should be able to reproduce the 20 μm line and the resultant gypsum cast the 50 μm line. 20,21 The results clearly ...

UDRI’s Sealant and Elastomeric Materials research takes place in two laboratories: the Sealants and Elastomers Lab (SEL) and the Small Sample Materials Compatibility Lab (SSMC). Both labs routinely ...