YY 0270.1-2011 (English Version) PDF

Scope: 1.1 This part classifies denture base polymers and copolymers, stipulates the requirements, and also specifies the test methods to be used to determine compliance with the requirements, as well as requirements for product packaging, markings, and instructions for use of provided application materials. stipulated. This standard applies to denture base polymers that are materials with impact-resistant properties declared by the manufacturer and also specifies respective requirements and test methods. 1.2 Examples of denture base polymers referred to in this section are as follows: a) Polypropylene polyesters; b) Substituted polyacrylates; c) Polyvinyl esters; d) Polystyrene; e) Rubber modified polymethacrylates; f) Polycarbonate esters; g) Polysulfones; h) Polydimethacrylates; i) Polyacetal polyformaldehyde; j) a)～i ) Copolymers or mixtures of polymers listed in.

YY 0270.1-2011 Referenced Document

ISO 1942 Dentistry — Vocabulary — Amendment 1
ISO 22112:2005 Dentistry - Artificial teeth for dental prostheses
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 463:2006 Geometrical Product Specifications (GPS) - Dimensional measuring equipment - Design and metrological characteristics of mechanical dial gauges
ISO 8601 Data elements and interchange formats - Information interchange - Representation of dates and times
YY/T 0631-2008 Dental materials.Determination of colour stability

YY 0270.1-2011 Dentistry.Base polymers.Part 1:Denture base polymers has been changed from YY 0270-2003 Dentistry-Denture base polymers.