ISO 9689:1990
International Standard
Current Edition
·
Approved on
22 November 1990
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
ISO 9689:1990 Files
English
8 Pages
Current Edition
30.51 OMR
ISO 9689:1990 Scope
Specifies a method for testing the resistance of raw optical glasses and a classification of optical glasses according to the aqueous alkaline phosphate-containing detergent resistance (phosphate resistance) determined by this method.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 7718-2:2025
International Standard
Aircraft — Passenger doors interface requirements for connection of passenger boarding bridge or passenger transfer vehicle — Part 2: Upper deck doors
ISO/IEC/IEEE 32430:2025
International Standard
Software engineering — Software non-functional size measurement
ISO 10218-1:2025
International Standard
Robotics — Safety requirements — Part 1: Industrial robots
ISO 10218-2:2025
International Standard
Robotics — Safety requirements — Part 2: Industrial robot applications and robot cells