Standard specifies requirements for properties and other characteristicsof irnpression matenais having reversible agarhydrocolloid as a gel-forming ingredient, along withtests specified for determining compliance with thoserequirements. (t also specifies requirements with respect toThe manufacturer's instructions, andThe essentials for packaging, labelling and marking.
EN ISO 1564:1998 history
1998EN ISO 1564:1998 Dental Aqueous Impression Materials Based on Agar ISO 1564:1995; Supersedes EN 21564:1990
EN ISO 1564:1998 Dental Aqueous Impression Materials Based on Agar ISO 1564:1995; Supersedes EN 21564:1990 was changed to EN ISO 21563:2013 Dentistry - Hydrocolloid impression materials [Superseded: CEN EN 21563, CEN EN ISO 1564, CEN EN ISO 13716].