GB/T 9989.3-2025 Active National standards

GB/T 9989.3-2025 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel or a tetragonal glass bottle

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 9989.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Daily-use enamel products

ICS Name: Enamel

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国食品直接接触材料及制品标准化技术委员会(SAC/TC 397)

Pages: 24 pages

Scope

本文件描述了使用六角形容器或四边形玻璃容器测定搪瓷制品耐碱性溶液化学侵蚀的试验方法。
本文件适用于测试搪瓷制品和瓷釉瓷层的耐碱性溶液化学侵蚀性能。

Development Information

Drafting Units:

石家庄正中科技有限公司、湖南信诺技术股份有限公司、东华大学

Drafting Persons:

戴琦、丁文战、罗理达、刘莎、叶佳意、张晟涛、丁少坤、程轶斐、蒋伟忠、王连军

Word Count: 28 Thousand words Pages: 24 pages

Same series standard

GB/T 9989.2-2025 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids,alkaline liquids and/or their vapours

Replace the following standards

GB/T 9989.3-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3:Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel

Referenced Standards

GB/T 6031-1998 Rubber,vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100IRHD) GB/T 6031-2017 Rubber,vulcanized or thermoplastic—Determination of hardness(hardness between 10 IRHD and 100 IRHD) GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 28212-2011 Laboratory glassware—Condensers GB/T 34843-2017 Borosilicate glass 3.3—Properties GB/T 38166-2019 Production of specimens for testing enamels on sheet steel,sheet aluminium and cast iron

Adopt standards

ISO 28706-3:2017

Related Standards

GB/T 7996-1987 Replaced

GB/T 7996-1987 Nominal volume and nominal diameter for glass-lined vessel

Publish Date: 1987-07-01

GB/T 11418-1989 Active

GB/T 11418-1989 Determination of resistance to heat of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11419-1989 Replaced

GB/T 11419-1989 Determination of resistance to thermal shock of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11420-1989 Replaced

GB/T 11420-1989 Measurement of specular gloss of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 13484-1992 Replaced

GB/T 13484-1992 Enamelled ware in contact with food

Publish Date: 1992-06-05

GB/T 13485-1992 Abolished

GB/T 13485-1992 Standard test method for lead and cadmium released from enamelled ware in contact with food

Publish Date: 1992-06-05