GB/T 9989.2-2025 Active National standards

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

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 9989.2-2025

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

本文件描述了测试搪瓷耐沸腾酸、沸腾中性液体、碱性液体及其蒸气化学侵蚀的试验方法。
本方法允许同时测定搪瓷材料耐液相和气相介质侵蚀的化学稳定性能。
本文件适用于测试搪瓷制品和瓷釉瓷层的耐沸腾酸、沸腾中性液体、碱性液体及其蒸气化学侵蚀性能。

Development Information

Drafting Units:

浙江开尔新材料股份有限公司、湖南信诺技术股份有限公司、东华大学、广东格美淇电器有限公司、江苏迈能高科技有限公司

Drafting Persons:

戴琦、周向华、罗理达、唐龙、叶佳意、徐晓健、谢洪斌、杨雪梅、蒋伟忠、朱庆国、龚苗

Word Count: 34 Thousand words Pages: 24 pages

Same series standard

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

Replace the following standards

GB/T 9989.2-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids and/or their vapours

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 6579-1986 Laboratory glassware—Methods for thermal shock test GB/T 6579-2007 Laborator glassware—Thermal shock and thermal shock endurance test methods 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 12804-1991 Laboratory glassware—Graduated measuring cylinders GB/T 12804-2011 Laboratory glassware—Graduated measuring cylinders GB/T 28212-2011 Laboratory glassware—Condensers GB/T 348433.3 GB/T 38166-2019 Production of specimens for testing enamels on sheet steel,sheet aluminium and cast iron

Adopt standards

ISO 28706-2:2017

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