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YY/T 1900-2023 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YY/T 1900-2023: Dentistry - Corrosion resistance of dental amalgam
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YY/T 1900-2023	299	Add to Cart	3 days	Dentistry - Corrosion resistance of dental amalgam	Valid

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Basic data

Standard ID: YY/T 1900-2023 (YY/T1900-2023)
Description (Translated English): Dentistry - Corrosion resistance of dental amalgam
Sector / Industry: Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard: C33
Classification of International Standard: 11.060.10
Word Count Estimation: 15,164
Date of Issue: 2023-09-05
Date of Implementation: 2024-09-15
Issuing agency(ies): State Drug Administration
Summary: This standard specifies the permissible requirements for strength reduction due to crevice corrosion of dental amalgam products conforming to ISO 24234 or ISO 20749. It provides detailed information for determining the test method.

YY/T 1900-2023: Dentistry - Corrosion resistance of dental amalgam

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 11.060.10 CCSC33 Pharmaceutical Industry Standards of the People's Republic of China Corrosion resistance of dental amalgam in dentistry (ISO 23325.2020,IDT) Published on 2023-09-05 Implemented on 2024-09-15 Released by the State Drug Administration

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is equivalent to ISO 23325.2020 "Corrosion resistance of dental amalgam in dentistry". Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the National Medical Products Administration. This document is under the jurisdiction of the National Standardization Technical Committee for Dental Materials and Equipment (SAC/TC99). This document was drafted by. Oral Medical Device Inspection Center, Peking University School of Stomatology, and Beijing Antai Biomedical Materials Co., Ltd. The main drafters of this document. Bai Wei, Lin Hong, Han Jianmin, Cai Chenshui.

Introduction

This document specifies the reduction in strength of dental amalgam due to crevice corrosion when tested using the procedures specified in this document. Acceptance limit requirements. This document adopts one of the three corrosion test methods in ISO /T S17988.This document gives the specific requirements. beg. This test protocol is designed to accelerate testing so that results can be obtained within a time period suitable for in vitro testing. Its purpose is to distinguish between acceptable of products versus unacceptable products (by using benchmark values), which are not used to rank products or compare products. This document does not include qualitative and quantitative test methods used to demonstrate that materials do not present unacceptable biological risks, such as the assessment of such biological Risks can be referred to ISO 10993-1 and ISO 7405. Corrosion resistance of dental amalgam in dentistry

1 Scope

This document specifies the permissible reduction in strength due to crevice corrosion of dental amalgam products complying with ISO 24234 or ISO 20749. As required by the license, detailed information for determining the test method is provided.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. ISO 1942 Dentistry-Vocabulary Note. GB/T 9937-2020 Dental terminology (ISO 1942.2009, MOD) andtestmethods) Note. GB/T 6682-2008 Analytical laboratory water specifications and test methods (ISO 3696.1987, MOD) ISO 4287 Geometric Product Specification (GPS) Surface Structure. Profile Method Terms, Definitions and Surface Structure Parameters Note. GB/T 10610-2009 Product Geometric Specification (GPS) Rules and methods for surface structure assessment by surface structure profiling method (ISO 4288. 1996,IDT) ISO 6344-1 Grain size analysis of coated abrasives Part 1.Particle size distribution test (Coatedabrasives-Grainsizeanaly- Note. GB/T 9258.1-2000 Particle size analysis of abrasives for coated abrasive tools Part 1.Particle size composition (ISO 6344-1.1998, IDT) Note. YY/T 0273-2022 Dental amalgam blenders for dentistry (ISO 7488.2018, MOD) ISO 13897 Dentistry Dental amalgam reusable compound capsules (Dentistry-Dentalamalgamreus- Note. YY 0715-2009 Dental amalgam capsules (ISO 13897.2003, IDT) ISO 24234 Dentistry-Dentalamalgam Note. YY/T 1026-2019 Dental amalgam (ISO 24234.2015, MOD)

3 Terms and definitions

The terms and definitions defined in ISO 1942 and below apply to this document. The following ISO and IEC addresses are used to maintain standardized terminology databases. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YY/T 1900-2023_English be delivered?

Answer: Upon your order, we will start to translate YY/T 1900-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YY/T 1900-2023_English with my colleagues?

Answer: Yes. The purchased PDF of YY/T 1900-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.