NS-ISO 7490:1990 PDF

Name:
NS-ISO 7490:1990 PDF

Published Date:
11/01/1991

Status:
Active

Description:

Dental gypsum-bonded casting investments for gold alloys

Publisher:
Standards Norway NS-ISO Series

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

ADOPTED_FROM:ISO 7490:1990 This International Standard establishes a classification of, and specifies requirements for, gypsum-bonded casting investments together with the test methods to be used to determine compliance with these requirements. lt applies to gypsum-bonded investments suitable for casting dental gold alloy which have liquidus temperatures not higher than 1 080 *C.